Accepting new patients
Tamara G. Dahhan, DO
- Rheumatology
Average rating:
5.0
Star ratings are displayed only for those physicians who participate in UCLA Health’s patient experience survey program and have received a minimum of 30 survey responses.
Porter Ranch Primary & Specialty Care
|
19950 Rinaldi Street, Suite 300
Porter Ranch,
CA
91326
US
About
Dr. Dahhan earned her medical degree at Western University of Health Sciences. She completed her residency in Internal Medicine and her fellowship in Rheumatology at Olive View-UCLA Medical Center. She practices general rheumatology and treats the full spectrum of rheumatic diseases, including Rheumatoid Arthritis, Lupus, Sjögren's Syndrome, Osteoarthritis, Psoriatic Arthritis, Ankylosing Spondylitis, Vasculitis, Gout, and Osteoporosis.
Dr. Dahhan is board certified in Internal Medicine and Rheumatology. In her free time she enjoys cooking, travelling, and spending quality time with family.
Languages
Education
Medical Board Certifications
Rheumatology, American Board of Internal Medicine, 2018
Internal Medicine, American Board of Internal Medicine, 2015
Fellowship
Rheumatology, Olive View-UCLA Medical Center Internal Medicine GME, 2018
Residency
Internal Medicine, Olive View-UCLA Medical Center Internal Medicine GME, 2015
Degree
DO, Western University of Health Sciences, 2012
Locations
Hospital Affiliations
Ronald Reagan UCLA Medical Center
UCLA West Valley Medical Center
Insurance
- Aetna
- Anthem Blue Cross
- Blue Shield of California
- Centivo
- Cigna
- First Health
- Health Net of California
- Interplan (part of HealthSmart)
- Medicare Advantage
- MultiPlan
- UFCM Health System
- Prime Health Services
- Private Healthcare Systems (PHCS)
- TRICARE
- UnitedHealthcare
The list of health care plans above may not be comprehensive and could change.
Please contact your benefits coordinator or health insurance company directly to verify coverage.
Visit our health insurance information page for more details.
Reviews
Overall rating:
5.0
Star ratings are displayed only for those physicians who participate in UCLA Health’s patient experience survey program and have received a minimum of 30 survey responses.
253 total ratings |
177 reviews
5.0
January 30, 2026
Always great insight and thorough care plan
5.0
January 30, 2026
Dr. Dahhan is the best, she takes the time to listen to my concerns and explains everything to me. I am so glad I have her as my doctor !!
5.0
January 29, 2026
She always makes me feel heard and is very compassionate
5.0
January 22, 2026
Excellent!
4.0
January 22, 2026
Friendly
5.0
January 21, 2026
She is very knowledgeable , caring, listens to my concerns and has made my life easier as I can walk on my own again
5.0
January 18, 2026
Dr. Dahan is one of the most compassionate, professional, knowledgeable and thorough physicians I have had. Her kindness and caring nature highlight her skills and experience. Thank you Dr. Dahan for your excellent care.
5.0
January 17, 2026
Dr. Dahhan is an exceptional physician who really listens to you.
5.0
January 16, 2026
Dr. Dahhan is always professional, has great bedside manners and very compassionate. Always pleasant during my visits.
5.0
January 13, 2026
She was very professional, attentive and friendly. I will highly recommend her to anyone in need of a rheumatologist. She was very knowledgeable.
5.0
January 12, 2026
It went great.
5.0
January 9, 2026
She iscaring , good listener, explais clearly, and exudes trust. You are lucky to have her !
5.0
January 9, 2026
Dr. Dahan is a great doctor. She is very caring takes the time needed to do a Tota examination and explanation of her decisions and set up follow ups as needed for both my wife and myself.
5.0
January 9, 2026
Exccellent
5.0
January 8, 2026
Dr. Dahan is wonderful. Professional and compassionate. She has helped me to navigate Some very challenging issues With great success.
5.0
January 8, 2026
Consistent and reliable.
5.0
January 7, 2026
Nice to see the Doctor and no waiting.
5.0
January 6, 2026
Dr Dahan is awesome. Property diagnosis and treatment. All is well.
5.0
January 5, 2026
Very good
5.0
January 5, 2026
I had a great experience with Dr. Dahhan. She was very kind, informative, and took the time to explain everything clearly. She listened to my concerns and made sure I understood my options, which made me feel comfortable and confident about my care. I really appreciated how helpful and patient she was. I would definitely recommend her.
5.0
January 3, 2026
Dr Dahhan is a wonderful, thoughtful, thorough doctor.
5.0
January 2, 2026
Dr Dahhan listened carefully to my concerns and explained things clearly. She was very thoughtful.
5.0
December 26, 2025
Front desk staff, nurse and doctor all so pleasant and helpful.
5.0
December 26, 2025
Dr. Dahan takes hher time listening to my health complaints and takes care of the aprópiate treatment plan for me
5.0
December 26, 2025
She was very informative and answered all of my questions
5.0
December 18, 2025
Dr. Dahhan is always thorough and caring. She is a wonderful Dr. and person!
5.0
December 17, 2025
As usual, í had today great Service at UCLA Porter RAnch clínica
5.0
December 17, 2025
She listens well and addresses any and all concerns
5.0
December 17, 2025
I thought the doctor was very warm and engaging. She gets high marks for her patience....
5.0
December 16, 2025
She listens to what I have to say and does not dismiss me or my concerns.
5.0
December 12, 2025
Dr. Dahhan took very good care of me and answered all of my questions.
5.0
December 11, 2025
Always a good experience
5.0
December 10, 2025
Plesent staff and doctor
5.0
December 10, 2025
Everything is done timely and professionally.
5.0
December 5, 2025
Dr. Dahhan is patient and thorough.
5.0
December 5, 2025
She is wonderful, very helpful, and punctual. We appreciate her input
5.0
December 4, 2025
Excellent doctor and nurse!!
5.0
December 4, 2025
Best doctor ever! Very attentive.
5.0
December 3, 2025
Doctor Dahhan really listens and answers thoughtfully and thoroughly.
5.0
December 3, 2025
She is such a kind, personable doctor. I never feel rushed and she really seems to care. She is one of my favorite doctors, if not the favorite. She answers all my questions.
5.0
December 3, 2025
Good and professional
5.0
December 1, 2025
Excelente she takes care of me
5.0
November 20, 2025
She makes me feel at ease, listens to my concerns andgives thoroughl explanation I could comprehend
5.0
November 20, 2025
Dr. Dhahan isvery thorough and caring. I have full confidence in her.
5.0
November 19, 2025
She is great she always listens to my concerns and gives me feedback on what is best for me.I enjoy seeing her because she always tries to answer all my questions and concerns.
5.0
November 18, 2025
Dr Dahhan is an outstanding physician. She has helped me for the last 2 1/2 years deal with a very, very exhausting health matter. She’s not given up on me, when others might. Her patience, her caring devotion to her job has made my extremely difficult situation tolerable. I’m very grateful for her guidance, and I greatly appreciate Ucla having her on your staff.
5.0
November 15, 2025
Dr. Dahhan is very knowledgeable about my struggles with arthritis and all the pain that comes with it, and she has helped me keep all that pain under control, Dr. Dahhan always makes me feel hopeful and very well taken care of my health, for me she is a lifesaver! I highly recommend Dr. Dahhan to anyone who needs a rehumatologist!
5.0
November 14, 2025
Listens, questions and thoughtfully shares options.
5.0
November 13, 2025
Dr Dahhan is very knowledgeable, thorough, and caring. She is the best!!
5.0
November 7, 2025
She is tops, professional and caring, knowledgeable and explains everything and answers my concerns
4.0
November 7, 2025
Good
5.0
November 7, 2025
Doctor Dahan at Porter ranch office. Just incredible take time and taking care of my dis abled son make me cry as mother how she take care of him thanks Doctor Dahan again bottom Of my heart
5.0
November 5, 2025
Five star rated Plus. Exceptional expertise Coupled With The highest level of. patient care. I am very fortunate to have Dr Dahan Taking care of me.
5.0
November 5, 2025
Same as before, talked about my pains and prescribed a new medication f I r fibromylagia.
5.0
November 3, 2025
Very good
5.0
October 31, 2025
I always have a great experience when I have my video chat with Dr. Dahhan. She has always patient informative very interested in how you’re doing always gives you remedies. We are very fortunate and lucky to have Dr Dahhan at our facility. We need more doctors like her. She is one of the best.
5.0
October 31, 2025
Dr Dahann is thorough, professional, knowledgeable & personable.
5.0
October 31, 2025
Dr. Dahhan is thorough, patient and very helpful. She has made many problems easier to cope with.
5.0
October 31, 2025
She explains everything in detail. She is very kind compassionate doctor.
5.0
October 31, 2025
She’s a good doctor
5.0
October 30, 2025
Dr. Is patient and listens to me
5.0
October 30, 2025
Always listens. Never in a rush. Reviews what has been happening and how we should proceed. I feel safe in her care.
5.0
October 30, 2025
Dr. Dahhan thoroughly explained my test results and answered all my questions. She is easy to talk to, always patient and kind, knowledgeable, and professional.
5.0
October 30, 2025
I love that she takes time to listen and try to give suggestions to make the pain better. She’s not in a hurry.
5.0
October 29, 2025
I value Dr. Dahhan because she gives real information and advice. She doesn't dumb down information or dismiss my concerns. She's willing to make sure I understand everything about my care.
5.0
October 29, 2025
Very attentive and easy to understand.
5.0
October 23, 2025
Dr. Dahhan is always so kind and gentle with me. She always has my interest at heart.
5.0
October 10, 2025
Great bedsidemanner
5.0
October 10, 2025
Dr. Dahhan has great bedside manners, very professional and does thorough exams.
5.0
October 10, 2025
She always listens to what I have to say
5.0
October 9, 2025
My annual check up is always great with Dr. Dahan.
4.0
October 9, 2025
My doctor is patient, compassionate and listens.
5.0
October 8, 2025
She was kind enough to fit me in and able to treat my pain immediately. She was educational and explained everything before she did it.
5.0
October 8, 2025
She is so special! Listens answers concerns and is very caring! You are lucky to have her as am I!
5.0
October 6, 2025
please compliment, Dr. Dahhan as she was extremely kind, professional, and competent. She is the epitome of a caring physician as she explained everything very well and had a good treatment in place. We appreciate you recognizing as she is a credit to your leadership and institution. Please let us know if you have any questions.
5.0
October 3, 2025
Dr. Dahhan was great as always. She makes me comfortable, listens, and is always supportive and respectful.
5.0
October 3, 2025
She is a professional dr I like her very professional.
5.0
October 2, 2025
Very thorough. Very understanding. Very kind. Very efficient.
5.0
October 1, 2025
Excellent doctor
5.0
October 1, 2025
Dr. Dahan was very nice and professional.
5.0
October 1, 2025
Dr Dahhan is a very caring doctor who spends time with her patients. She really listens to my concerns and acts on them
5.0
September 29, 2025
The doctor was caring and listened to my concerns. She asked pertinent questions and ordered the proper tests to make a diagnosis.
5.0
September 29, 2025
Dr. Dahhan is always very kind, patient and considerate. She listens carefully to the patient’s needs and then applies her experience and knowledge and has proven to be exceptional with her guidance and suggestions for medication, infusions and care.
5.0
September 26, 2025
Dr Dahhan treated me with respect and compassion. She is always easy to talk to and explains herself well. I appreciate being Dr Dahhan’s patient.
5.0
September 26, 2025
You are blessed to have Heras am I. She listens, is empathetic, knowledgeable and the best!
5.0
September 25, 2025
She listened to my questions And I didn’t feel rushed
5.0
September 25, 2025
Really good experience
5.0
September 24, 2025
Doctor Dahan at Porter Ranch office took time and helped my dis abled son really appreciate from Bottom Of my heart. ❤️ thanks again Doctor
5.0
September 22, 2025
Dr tahhan is the best she asks questions And goes through my file I am so pleased with her
5.0
September 19, 2025
Exelent good communication
5.0
September 18, 2025
Dr Dahan was professional and patiently and thoroughly explained my health issues to me.
5.0
September 18, 2025
No waiting. Seen right away. Answered all my questions and made some suggestions.
5.0
September 17, 2025
Very knowledgeable, great educator, excellent listener, compassionate and efficient with timely visit.
5.0
September 17, 2025
Excellent
5.0
September 10, 2025
Dr. Dahhan is a very caring doctor. Most doctors are too busy to spend time with patients. I found Dr. Dahhan always has the patient best interest in mind.
5.0
September 5, 2025
Dr Dahan is always very informative. She is professional yet friendly too. I trust her and that’s the most important part.
4.0
September 5, 2025
It was fine.
5.0
September 5, 2025
Dr Dahhan is the most caring doctor I’ve ever been associated with. I have a very hard case that she’s dealing with, and she’s taking the time to explore every option and has the best interest for my care. She’s a quality doctor, an outstanding person, and a great asset to Ucla.
5.0
September 5, 2025
She is a great Doctor.
5.0
September 3, 2025
Dr. Dahhan is very caring and listens well.She has really helped me and I appreciate her.
5.0
August 29, 2025
Dr. Dahhan is such a great doctor. Very grateful for her taking care of my healthcare
5.0
August 25, 2025
Perfect
5.0
August 20, 2025
She is so caring , knowledgeable and you are lucky to have her as am I!
5.0
August 15, 2025
Asks questions, listens, encourages and makes suggestions.
5.0
August 14, 2025
She totally focuses on me. I never feel that her mind is elsewhere or that she’s rushed. She checks my progress. She gives me information about my issues and how we might proceed in the future.
5.0
August 14, 2025
Dr. Dahaan is amazing! She is knowledgeable and extremely caring. She takes the time to listen to me.
5.0
August 11, 2025
Focused, listens and responds. Caring, pleasant, knowledgeable. Able to explain concerns in a simple manner that is easily understandable.
5.0
August 6, 2025
Love Dr Dahhan! She explains thoroughly about my sickness and how I’m doing. She always tries to help however she can by communicating with my other doctors.She’s great at giving referrals.
5.0
August 2, 2025
Dr. Dahhan is an excellent doctor who always has helped me through the years to control my arthritis pain on my joints. Dr. Dahhan always listens patiently to all my questions and concerns. Dr. Dahhan is very knowledgeable and she always explains all my treatments and options thoroughly in a very clear manner easy to understand.
5.0
August 1, 2025
Love Dr Dahan, She is attentive, listens to your concerns and answers any questions you have.
5.0
August 1, 2025
I SOOOOOOOO LOVE DR. DEHHAN!!!!! SHE IS SUCH A WONDERFUL & LOVELY PERSON WHO CARES DEEPLY FOR HER PATIENTS & SHE IS SO PERSONABLE & DOWN TO EARTH. SHE HAS GREAT KNOWLEDGE IN HER FIELD AND ALWAYS MAKES YOU FEEL HEARD ABOUT YOUR PAIN AND ISSUES!!!!!!♥️💞💗
5.0
July 31, 2025
De Dahhan is very caring and very helpful. I feel comfortable with her.
5.0
July 31, 2025
I received my third euflexa shot. My knees are not in pain for now.
5.0
July 30, 2025
It went very well.
5.0
July 24, 2025
Excellent
5.0
July 24, 2025
Dr.Dahhan, is a dedicated physician. She’s very thorough, attentive, smart and understanding. She’s always looking for the right solution. Her treatments have helped me considerably.
5.0
July 21, 2025
Everything was great. Talked over my test results and plan for my infusion in a couple weeks.
5.0
July 16, 2025
Excellent
5.0
July 11, 2025
Excellent
5.0
July 10, 2025
Appointment was with Dr. Dahhan. My medication was not taking care of my symptoms. I was immediately contacted to schedule an appointment.
5.0
July 10, 2025
Dr. Dahaan is thorough and listens. Although there was a discrepancy in the appointment time she accommodated me.
5.0
July 9, 2025
Good
5.0
July 9, 2025
Sweet , patient , and will take her time to answer all my questions
5.0
July 9, 2025
The doctor spent as much time was needed to answer all of me and my wife’s questions. She’s great
5.0
July 1, 2025
Dr. Dahan is exceptional doctor. Very thorough and cares for her patience.
5.0
June 30, 2025
She is such an asset to you! Responded, listened and shows respect and empathy which is rare! Couldn’t be a better Doctor!
5.0
June 30, 2025
She’s always thorough and gives me time.
5.0
June 30, 2025
Dr. Tamara Dahhan is a great doctor. Highly recommended.
5.0
June 21, 2025
Doctor experience great
5.0
June 20, 2025
She talks with me. I don’t feel like she is hurrying through the appointment. She cares!
5.0
June 19, 2025
It was a quick wait to be called in with almost no wait for the doctor
5.0
June 16, 2025
Dr. Dehhan is always excellent.
5.0
June 16, 2025
It is always a pleasure to have a doctor appointment with Dr Dahhan. She always has time to answer your questions and to explain in detail. Great doctor!
5.0
June 14, 2025
Thank you so much Doctor
5.0
June 13, 2025
Dr. Dahhan, Is very likable, caring and thorough in how she listen, respond and follow through with the care of her patients. She is definitely a 5 star doctor.
5.0
June 12, 2025
Really happy with today’s visit. The doctor was very professional, took her time to inquire about my symptoms and did a thorough physical examination. She proceeded to order lab work and sent prescription to my pharmacy.
5.0
June 12, 2025
Dr Dahan takes the time to listen and is through with her examination. I feel confident in the care I am receiving.
5.0
June 12, 2025
She’s an amazing doctor!!!
5.0
June 11, 2025
Kind and gentle and hears me in regards to my aches and pains.
5.0
June 11, 2025
Dr Dahhan is a fabulous doctor. My case has not been easy for her, but she hasn’t given up. She has tried innovative methods, has given me hope to continue on. Without her treating me, I don’t know what I would’ve done.
5.0
June 4, 2025
Dr Dahhan is very knowledgeable and passionate. She answers my questions and truly cares
5.0
June 4, 2025
Took her time to examine me and listen to my concerns. Also discussed plan for me
5.0
June 2, 2025
Dr. Dahhan has excellent care.
5.0
May 30, 2025
Excellent
5.0
May 29, 2025
Dr. Dohan listens and informs me about my condition. She’s very patient.
5.0
May 29, 2025
Dr. Dahan seems to be vested in my medical progress. I appreciate her bedside manner.
5.0
May 29, 2025
Dr Dahhan was excellent. It was very easy talking with her and getting a treatment plan.
5.0
May 28, 2025
She listened well and didn’t dismiss any of my concerns. I’m so thankful.
5.0
May 25, 2025
Dr hears you out educate you shows you kindness and respect and it makes you feel that you are the most important person in this world
5.0
May 20, 2025
Great
5.0
May 19, 2025
As usual Dr. Dahhan was very attentive. She’s extremely helpful in addressing my health issues. She also gives me good advice and good solutions.
5.0
May 19, 2025
She’s always a joy to work with.
5.0
May 15, 2025
She was very considerate and attentive
5.0
May 15, 2025
Dr listened and took time to thoughtfully address each issue. She was encouraging as well. We have a modified plan.
5.0
May 15, 2025
Dr. Dayan is very thorough and very kind. She explains everything in detail and makes you feel very comfortable.
5.0
May 7, 2025
Dr. Dahhan is an excellent, thorough and caring doctor.
5.0
May 5, 2025
Good for me
5.0
May 2, 2025
She gives good advice Also very understanding
5.0
May 1, 2025
Dr. Dahhan listened to my health concerns and discussed with me all health options available to me.
5.0
May 1, 2025
Dr. Dahan is wonderful. She is really an exceptional Doctor. She provides the best of care for her patients. Add a huge dose of knowledge and compassion. I am extremely grateful to have her taking care of me. If I could give her More Than Five Stars I definitely would.
5.0
May 1, 2025
I gad a good experience, Dr took her time to explain everything.
5.0
April 28, 2025
Excellent doctor. Listens,explains and presents solutions
5.0
April 28, 2025
Best doctor
5.0
April 26, 2025
Dr. Dahhan is a wonderful doctor. She is caring, compassionate and knowledgeable. She listens and answers my questions thoroughly and always thinks of how to improve my health. she is on top of what is available to address my rheumatoid arthritis and explains that to me in a way I can understand my options. She always responds to my messages promptly I am very glad she is my doctor.
5.0
April 25, 2025
I was seen on time without a wait. I like how Dr Dahhan listens to me.
5.0
April 24, 2025
very very good .. 👍
5.0
April 23, 2025
Dr Dahhan always gives me the time I need to ask questions, to listen to my concerns, and provides valuable and useful feedback and next steps. She offers help and compassion where other doctors I’ve visited have not. I’m very thankful to be her patient.
5.0
April 16, 2025
Respectful , professional, answered all my questions, very thorough, spent necessary time and did not rush.
5.0
April 10, 2025
Dr. Dayan is professional and caring. Excellent job.
5.0
April 3, 2025
She always listens carefully to what I need to say about my current health concerns. She is always pleasant and I feel very well taken care of.
5.0
March 22, 2025
The doctor was very attentive and let me explain my issues.
5.0
March 21, 2025
Dr. Dahhan is such a wonderful doctor, she takes the time to listen to my concerns and always has my best interest in mind.
5.0
March 21, 2025
It was a great appointment. We went over on my test results. And talked about my future.
5.0
March 19, 2025
Everything was great it was a good visit thankyou
5.0
March 13, 2025
Dr Dahhan very helpful l, knowledgeable and kind
5.0
March 12, 2025
Dr. Dahhan is knowledgeable and caring.
5.0
March 10, 2025
Dr Dahhan Was amazing I absolutely loved her She was easy to talk to and was very thorough