Not accepting new patients
Diana Cizmadija, DNP, FNP
- Internal Medicine
Average rating:
4.9
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.
Thousand Oaks Hampshire Primary & Specialty Care
|
248 Hampshire Road, Suite 100
Thousand Oaks,
CA
91361
US
Languages
Education
Degree
DNP, Medical University of South Carolina- College of Nursing, 2013
Locations
Conejo Valley
Thousand Oaks Hampshire Primary & Specialty Care
Thousand Oaks Hampshire Primary & Specialty Care
Family Medicine| Pulmonology| Internal Medicine
+1 more specialty
Conejo Valley
Thousand Oaks Moody Court Primary & Specialty Care
Thousand Oaks Moody Court Primary & Specialty Care
Internal Medicine| Family Medicine| Cardiology
+5 more specialties
Areas of Focus
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 healthcare 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:
4.9
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.
225 total ratings |
160 reviews
5.0
September 30, 2026
Doctor was very friendly and professional. I felt very safe with her and ready for my surgery next week.
5.0
September 24, 2026
My nurse practitioner was Through , professional , friendly and knowledgeable A keeper
5.0
September 24, 2026
My nurse practitioner was very knowledgeable and addressed all my concerns.
5.0
September 22, 2026
Very thorough.
5.0
September 22, 2026
She was friendly and very thorough
5.0
September 22, 2026
Good and professional.
5.0
September 15, 2026
Diana is a very bright knowledgeable RN who knows her subject & practice well. UCLA is blessed to have her.
5.0
September 15, 2026
Diana was very pleasant and informative. She took care of everything with care that needed to be done.
5.0
September 15, 2026
Diana is terrific!!! Aside from her cheerful personality, she is very thorough and did a complete pre-op evaluation. Wonderful asset!
5.0
September 11, 2026
Diana did the most for my pre-op H & P. She was so thorough, more so than any other pre-op that I have had done with UCLA. I highly recommend her!
5.0
September 10, 2026
Excellent
5.0
September 9, 2026
I am so happy that UCLA was able to book an appointment the same day. Thank you so much!
5.0
September 8, 2026
I had a pre-op appointment today, my provider was very nice and communicated well.
5.0
September 3, 2026
Diana was absolutely delightful! She was knowledgeable, very thorough, and clearly loves her job. Never felt like she resented being there as other providers do.
5.0
September 3, 2026
She was amazing, warm and funny
5.0
September 1, 2026
This is the second time in a month I have been seen by this provider, for two different surgeries. She was very thorough and complete in her examinations.
5.0
August 31, 2026
Dana was outstanding. She explained everything to me so I understood the purpose of my physical before my cateract surgery. She was knowledgeable, excellent communication skills.caring and a seamless experience.
5.0
August 28, 2026
Very engaging. Explains things thoroughly.
5.0
August 27, 2026
Great experience!
5.0
August 26, 2026
Good bedside manner And knowledgeable. With a good attitude.
5.0
August 26, 2026
The dr was great explaining everything she made me feel at peace
5.0
August 20, 2026
Excellent Nurse. Very patient, knowledgeable and personable.
5.0
August 19, 2026
Very good patient care, ensured all questions were addressed, made me feel comfortable
5.0
August 19, 2026
She addressed my problem as well as answering a number of my other questions about other topics. She was very helpful and took her time with me. She is very easy and fun to talk with.
5.0
August 14, 2026
The doctor was very kind and very knowledgeable. She had a good sense of humor and he gave me all the information that I know or I need to know for my surgery what I can and cannot take, and I appreciated her knowledgeability.
5.0
August 8, 2026
Thorough, efficient, and friendly!
5.0
August 8, 2026
Diana, the physician’s assistant is knowledgeable and gives expert advice.
5.0
August 7, 2026
We have very comprehensive and informative visit. I really feel that my care is now on the right track.
5.0
August 4, 2026
She was super nice. I have anxiety and get stressed out at doctor’s offices. She made my experience less stressful with her positive attitude.
5.0
July 30, 2026
My physician was booked up and Diana saw me at the Moody Court location. She was very nice. Once she had the results of the urine specimen she phoned me at home
5.0
July 30, 2026
She was friendly, informed, thorough.
5.0
July 29, 2026
Efficient Friendly And thorough
5.0
July 29, 2026
She was wonderful and even called me in the evening with my results. Diana is top notch.
5.0
July 28, 2026
Diana, NP was exceptional. She was a good listener and a knowledgeable clinician. Unfortunately, she was not able to drain my abscess due to the location, but referred me for a stat appointment with surgery. She provided me with a script for antibiotics and an antibiotic ointment.
5.0
July 28, 2026
Diana is a gem, and the woman who helped her ( don’t know her name) was really great as well. Both very efficient and genuinely nice people.
5.0
July 24, 2026
I was seen on time and was trhreated with concern.
5.0
July 23, 2026
Delightful gal! Great conversationalist and sharp at her craft!
5.0
July 23, 2026
She was STELLAR. I appreciated her energy, open mindedness, ability to listen, and to explore ideas/solutions.
5.0
July 23, 2026
Diana was very pleasant and very thorough.
5.0
July 23, 2026
Diana was personable, professional, thorough with the exam, she made me feel comfortable and explained everything I needed to know ahead of surgery
5.0
July 23, 2026
The nurse practitioner and the entire staff were very thorough. It was a great experience.
5.0
July 21, 2026
She was very personable.
5.0
July 21, 2026
Kind personable non judgmental
5.0
July 16, 2026
Friendly and efficient.
5.0
July 15, 2026
Diana was very thorough with my after care instructions and put me to ease as she removed the sutures. She also made me laugh when she knew was nervous. She is the type of healthcare professional that makes me want to return and ask for her specifically for future medical needs.
5.0
July 15, 2026
Diana was excellent. I felt comfortable and respected by her knowledgeable care and kind demeanor. She has an excellent “bedside manner”. She projects competency and inspires confidence.
5.0
July 14, 2026
Good listener and she got me in early thinking I might need and xray…which I did. She called me with my results of a fracture and next course of action
5.0
July 12, 2026
She was great,
5.0
July 9, 2026
Very personable. Quality talk time as she did my physical
5.0
July 9, 2026
Compassionate and thorough
5.0
July 2, 2026
Really good efficient
5.0
July 2, 2026
Everything was done and completed in a timely manner. Doc was very professional and compassionate in her approach.
5.0
July 2, 2026
Very thorough. She gave me information I wasn���t aware of. Very helpful.
5.0
July 2, 2026
Diana was kind, patient and attentive making my visit both informative and reassuring. She was very knowledgeable, thorough and took the time to address my concerns.
5.0
July 2, 2026
The location was very convenient (Thousand Oaks), appointment was on time. I had an appointment for an ekg. The nurse (np) was wonderful, very caring and knew I was stressed out about my coming lobectomy surgery. She knew what I was dealing with and was extremely reassuring that I would be in good hands. Her genuine care and understanding was something I will never forget. A personal thank you for her kindness.
5.0
July 2, 2026
She listened to my issue and addressed it promptly. Was very friendly and caring
5.0
July 2, 2026
Wonderful experience overall.
5.0
June 30, 2026
Today???s visit was excellent the staff was amazing and professional.I would like to say Diana and the nurses were amazing.
5.0
June 26, 2026
She was kind, professional, thorough.
5.0
June 26, 2026
Diana is an exceptional NP with professional standards, great communication skills, and caring demeanor. She has a very personable manner that one can easily relate to and feel comfortable during a medical visit or procedure.
5.0
June 26, 2026
She had an empathetic & caring manner & was as thorough as possible with her limited time.
5.0
June 26, 2026
She was engaging, listened intently and addressed my illness with great attention and care. I am an RN of 40 years so I am aware of important details. She gave me better care than my pulmonologist I saw a few days ago diagnostically, treatment planning. I have complete trust in her. I would return anytime to see her. She has the greatest of my respect and appreciation today.
5.0
June 26, 2026
Diana had a great deal of knowledge and expertise about pre-opt preparation. Her warm personality provided me with assurances regarding my upcoming cataract surgery.
5.0
June 25, 2026
Diana was AWESOME - very friendly and explained everything thoroughly. I look forward to my next appointment!
5.0
June 25, 2026
Diana was very professional, friendly, and thorough.
5.0
June 23, 2026
The PA was fabulous. And everyone else WOW
5.0
June 19, 2026
The doctor was fantastic, very knowledgeable, professional, friendly and efficient. I really liked her a lot.
5.0
June 18, 2026
Very nice and professional Answer all My question and concerns
5.0
June 17, 2026
She was amazing for my visit from the first step she walked in the room introducing her self with a smile on her face to the end
5.0
June 16, 2026
Friendly, clear communication. Responsive to questions.
5.0
June 16, 2026
I love her! Wonderful personality, put me at total ease, very thorough, and really seemed to care about me, I want her to be my primary care physician, she's very refreshing this day and age
5.0
June 16, 2026
Professional and friendly.
5.0
June 3, 2026
She was thorough and discussed my many diagnoses with me. She is extremely likeable and it was so easy to speak with her. It seemed like she's spent more time with me than most doctors even for preop and I really appreciated that she answered all my questions. I wish you were my GP.
5.0
May 14, 2026
Diana Cizmadija was an absolute delight! He is very thorough and examined me. I listen to my heart and gave me a much-needed prescription. But that wasn?t the only thing. She was just so nice to talk to and it was such a pleasure.
5.0
May 14, 2026
It was great.
5.0
May 13, 2026
Diana was very easy to talk to and she listened
5.0
May 13, 2026
It was late at 8:30pm. I appreciate your patient listening to my complaining about my symptoms and issues.
5.0
May 12, 2026
Everyone was so nice and timely
4.0
May 7, 2026
She wants to know how I hurt myself. Right away she wants to check my kidney function because of the medication she is prescribing to me. Very caring.
5.0
May 6, 2026
She was very warm and listened well to my questions.
5.0
May 6, 2026
She’s great and knowledgeable
5.0
May 5, 2026
Diana was friendly and capable. She set up all my follow up pre op procedures so that I was able to get on my way quickly. Diana is a great addition to my medical health team!
5.0
May 2, 2026
Diane is the best . She explained everything what I need. It was helpful and fun to talk to her.
5.0
May 2, 2026
The physician whose name I have forgotten was very attentive and thorough
5.0
May 2, 2026
She was absolutely amazing!! Understood my question and very intelligent
5.0
May 1, 2026
Very good
5.0
April 30, 2026
She was super friendly, attentive, and considerate. She helped me with all the information I needed and was very patient with me. It was a pleasure having her take care of me.
5.0
April 30, 2026
Very good experience
5.0
April 24, 2026
Very thorough and listened
5.0
April 21, 2026
A very helpful appointment.
5.0
April 21, 2026
Professional knowledge skilled and caring
5.0
April 21, 2026
Diana was extremely knowledgeable, kind and caring
4.0
April 21, 2026
She was very thorough and informative.
5.0
April 16, 2026
Easy to talk with - knowledgeable
5.0
April 14, 2026
Diana, the nurse practitioner, was charming, knowledgeable, caring, and gave wise advice. She's another example of the incredible people who part of UCLA Health. Please let her know how much I appreciate her service today.
5.0
April 11, 2026
Very nice, very professional, and made me feel very comfortable.
5.0
April 10, 2026
Excellent
5.0
April 10, 2026
Great
5.0
April 9, 2026
Diana was incredibly kind, patient, funny and wonderful to work with.
5.0
April 2, 2026
Very thorough.
5.0
March 31, 2026
Every one there was exceptional amazing
5.0
March 31, 2026
She was personable and thorough!
5.0
March 31, 2026
Very thorough, kind and knowledgeable.. she’s a great asset to UCLA!!
5.0
March 27, 2026
She was very attentive and caring
5.0
March 27, 2026
Very helpful and pleasant
5.0
March 27, 2026
Diana was wonderful. So caring, kind, professional and thorough.
5.0
March 26, 2026
Diana was remarkable ? knowledgeable, professional, efficient, and a joyful personality.
5.0
March 24, 2026
She took the time to go over everything carefully
5.0
March 24, 2026
Very friendly and engaging
5.0
March 24, 2026
Very helpful in explaining things and listening to my questions.
5.0
March 21, 2026
The doctor was very friendly and professional. She explained what was involved with the pre-op and answered my questions. The doctor was not rushed and showed that she cared about giving me the time needed for the exam and any discussions.
5.0
March 20, 2026
NP Diana Cizmadija is personable, kind, considerate and very knowledgeable.
5.0
March 20, 2026
Fantastic NP who was insightful and a pleasure to meet
5.0
March 17, 2026
Diana was perfect -thoughtful, kind, thorough, knowledgeable and timely!!!!
5.0
March 13, 2026
I appreciated her ability to clearly explaining her findings and recommendations.
5.0
March 13, 2026
Attentive, caring and thorough
5.0
March 10, 2026
Absolutely the best consultation yet. She showed a great level of care, listened and put me at ease.
5.0
March 6, 2026
Dr: Diana C. is a superstar, efficient; personable, highly intelligent and an all around talented doctor. I really enjoyed my visit with her and her assistant
5.0
March 6, 2026
She explained to me what she was going to do in layman terms. She was enthusiastic about her job. She has the qualities that nurse practitioners should all have. I enjoyed talking to her and based upon her 38 years of experience, I know she knew what she was doing. And she did it efficiently with a smile and I felt very comfortable with her.
5.0
March 5, 2026
She was energetic, friendly, Very professional. She was thorough, asked good questions, gave me an excellent exam. We left smiling.
5.0
February 28, 2026
She was very competent and had a compassionate attitude.
5.0
February 27, 2026
Diana was wonderful, so kind friendly down to earth thorough I felt really comfortable with her and she followed up quickly
5.0
February 26, 2026
Took her time, listened, very friendly
5.0
February 25, 2026
Very knowledgeable and professional
5.0
February 24, 2026
Nurse Practitioner Diana was outstanding, very warm, caring and knowlegeable. She provided very specific advise and listened to my comments.
5.0
February 24, 2026
Seemed very thorough and listened to me also. Was friendly and kind.
5.0
February 19, 2026
She was thorough and kind.
5.0
February 19, 2026
Kind friendly and knowledgable Very pleasant experience.
5.0
February 19, 2026
NP Cizmadija was thorough, knowledgeable and very helpful. She also Provided helpful tips/remedies for my condition.
5.0
February 19, 2026
Love Dr Diana. She was very sweet
5.0
February 18, 2026
NP Diana was Outstanding, Professional and Thorough.. In a short time she covered it all. As a result of her expertise, I have a direction to follow up with a specialty doctor.
5.0
February 17, 2026
She was very caring and thorough.
5.0
February 12, 2026
Excellent
5.0
February 5, 2026
She was very knowledgeable and easy to communicate with. I felt very comfortable with her and would enjoy seeing her again, if needed.
5.0
January 30, 2026
Personable listened and gave understandable instructions Answered all questions satisfactorily
5.0
January 21, 2026
Diana was informative , professional, kind and thorough! Excellent clinician!
5.0
January 21, 2026
She was very knowledgeable and very friendly and offered a lot of good advice
5.0
January 18, 2026
Highly skilled with top bedside manner
5.0
January 16, 2026
Diana was thorough , informative and made this visit a very comfortable one. She a terrific medical NP. I would refer her to friends.
5.0
January 15, 2026
Caring, and informative
5.0
January 15, 2026
Diana was great! Put me at ease and made me feel comfortable. Great experience!
5.0
January 14, 2026
Friendly, knowledgeable, and put me at ease
5.0
January 13, 2026
Very thorough.
5.0
December 30, 2025
Diana was great. She set up a phone appointment so I didn't even have to go in ?.
5.0
December 26, 2025
She was excellent! She explained everything so clearly!
5.0
December 18, 2025
She was very thorough, never seemed rushed and answered all my questions.
5.0
December 18, 2025
Excellent and thorough
5.0
December 17, 2025
She was very thorough and informative
5.0
December 17, 2025
Diana was absolutely fantastic! I felt like she listened to all my concerns, and she was very funny! I?d love to have her as a provider again!
5.0
December 17, 2025
Very kind and welcoming
5.0
December 9, 2025
Nurse Practitioner Diana was kind, compassionate, and extremely respectful of me as a patient. She took the time to clearly explain everything I needed to know to take care of myself, and she made sure I understood exactly when and how I should reach back out for additional medical help if needed. I felt truly listened to, supported, and well cared for during my visit.
5.0
December 9, 2025
Spent time and listening to me I have seen her before and I like her
5.0
December 9, 2025
Easy to talk to and very helpful
5.0
December 9, 2025
Dr Cigmadija is lovely, very thorough
5.0
December 5, 2025
Diana is very thorough and kind. She is easy to talk to, which is always a plus when you don?t feel well. I prefer to see her rather than someone else in the immediate care facility.
5.0
December 5, 2025
Friendly, efficient and funny
5.0
December 5, 2025
happy
5.0
December 4, 2025
Wonderful visit with the Doctor
5.0
December 3, 2025
Very personable and very attentive to our needs.
5.0
November 19, 2025
Very thorough and caring.