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Dr. Corinna Mosher, MD

Dr. Corinna Mosher, MD

Internal Medicine*
25+ years of experience

Dr. Corinna Mosher, MD is an internist in Thousand Oaks, CA and has over 25 years of experience in the medical field. She graduated from UNIVERSITY OF CALIFORNIA AT LOS ANGELES / CENTER FOR HEALTH SCIENCES in 1997. She is affiliated with Los Robles Regional Medical Center. She is accepting new patients and telehealth appointments.

4.1 Star Rating
Based on 37 reviews 4.1 Star Rating (37 reviews)

Locations

Corinna Mosher, M.D.

Corinna Mosher, M.D.415 Rolling Oaks Dr Ste 280 Thousand Oaks, CA 91361
1

UCLA Health Primary and Specialties Care

UCLA Health Primary and Specialties Care100 Moody Ct Ste 200 Thousand Oaks, CA 91360
2
Patient Favorite Award

Dr. Mosher is a patient favorite Internist

The Patient Favorite badge is awarded to top-performing providers who surpass average ratings and comments, reflecting their commitment to exceptional patient care. Read our methodology

  • Area of ExpertiseDr. Mosher specializes in the area of Internal Medicine. See board certifications
  • Explains Conditions WellPatients said this doctor explains conditions well. See reviews
  • Offers TelehealthThis doctor offers telehealth appointments. Call the office to schedule an appointment.
  • Practices at Top HospitalAmerica’s 50 Best Hospitals for Surgical Excellence Award™ See hospitals

More Internists at Los Robles Regional Medical Center

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Dr. Mosher's Reviews

Likelihood to recommend Dr. Mosher

4.1
37 ratings, 17 with a written review
5 star
76%
76%
4 star
0%
0%
3 star
3%
3%
2 star
0%
0%
1 star
22%
22%

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Unprofessional
Failed to order blood tests that were the primary reason for the visit. Routinely running late, needs repetition multiple times, inattentive. Unprofessional.
What went well
  • I felt respected
  • Staff friendliness
What could be improved
  • Difficult to schedule appointment
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Appointment was rushed
  • Didn't trust the provider's decisions
  • Long wait times
Helpful
Jan 25, 2025
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Excellent Doctor
Dr. Mosher is very kind, knowledgeable, well read, and really cares for her patients. I highly recommend her for a general practitioner
What went well
  • Office environment
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
2 others found this helpful
Helpful
Dec 02, 2022
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If you are looking for a new Doctor she is it!
I have been a patient of Dr. Corinne Mosher for over 15 years. I recommended her to my elderly mother and my daughter, people I love most. Her patient manner and comprehensive care has seen us through many situations. She is always willing to give you the time you need to address all of your issues and concerns. As I titled this, if you are looking for a good Doctor she is the one.
What went well
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
3 others found this helpful
Helpful
Susan S – Nov 25, 2022
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Wouldn’t change a thing
Dr. Mosher is amazing, she listens to my every needs, she is always on point and makes me feel like family. The front office staff is always on top of there game. They always call to remind me of my appoints and follow up to see how I am doing. With that said, I wouldn’t change a thing.
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 other person found this helpful
Helpful
Gary R – Oct 29, 2022
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Recommend Dr Mosher
I’ve been a patient of Dr Mosher for over 10 years. She is extremely knowledgeable and thorough. She always gives me as much time as I need and follows up with referrals and testing. In addition, Dr Mosher is easy to talk to and very caring about my health. I definitely recommend her as a primary care doctor.
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Tina Patterson – Oct 28, 2022
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Extremely Competent Doctor
Dr. Mosher is very thorough and meticulous in diagnosing her patients. She has been my doctor for over 15 and has been amazing. She was even able to diagnose an autoimmune that is extremely difficult to figure out. I literally trust her with my life. She is also very kind and caring. She spends a lot of time with me for every visit. I never feel rushed. I highly recommend this doctor. My husband also sees her. It's comforting to be able to receive such quality care! She is such a gem!
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Oct 28, 2022
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Dr. Mosher is very knowledgeable, thorough and patient. I never feel rushed and she’s been available when needed in urgent situations. Her office staff is pleasant and helpful and the office is always clean. I would recommend this office to anyone.
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
L. Herbert – Oct 28, 2022
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Great Doctor, extremely thorough!
I highly recommend Dr.Mosher. She got me through painful kidney stone episodes earlier this year and when she suggested I see a urologist her office staff made calls to get me in ASAP when appointments were booked months out. When I was having some heart issues she ordered tests for me so by the time I got in to see the cardiologist I had all of the information he needed which saved a lot of time and made things go much faster. As a matter of fact when I went for the tests at the hospital the nurse in the cardiology department commented on what a great doctor Dr.Mosher is and how well she takes care of her patients. Her staff has always been friendly, helpful, and gone above and beyond to send test results or get me in with specialists. Dr.Mosher is very thorough and takes time to explain everything.
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Julia B – Oct 28, 2022
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Dr. Mosher is excellent. Very caring and great follow up. I highly recommend her.
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Jennifer Weigel – Oct 26, 2022
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Dr. Mosher is fantastic! She is a great listener and is very proactive - she wants to solve the problem and no stone goes unturned until she figures out how best to treat you. She asks a ton of really good questions and will spend as much time with you as you need. I highly recommend Dr. Mosher!! And her staff is great!!
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Dianne N – Oct 26, 2022
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Dr Mosher
Dr Mosher is intelligent, compassionate and clearly cares for her patients. She asks very insightful questions, and thoroughly evaluates situations. Her office staff is kind and friendly. I have been her patient for many years, and would highly recommend her.
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
PF – Oct 26, 2022
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Quite possibly one of the worst initial phone calls with a front-office Dr's office that we have ever experienced. This Dr. came highly recommended by multiple friends, so we changed our Primary Care Physician (PCP) to this Dr. years 18+ months ago. Fortunately, we haven't been sick. Well, here we are in early 2022, and we still are not sick (thankfully) but we want to meet the Dr before we get sick. That's the whole point of a PCP, right???? This unprofessional office "gentleman" says we're "new" and she won't see us. We changed our PCP 18+ months ago! We're not new! We just haven't been sick. 18 months ago, when we signed up for a new PCP we were accepted as a new patient (or we couldn't have added her as a new PCP. The Dr may be great, but the front of
What went well
No results
What could be improved
  • Staff wasn't friendly
1 other person found this helpful
Helpful
Christine & Sean Dion – Jan 07, 2022
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I am not sure where the disconnect is - is it the lousy front office, the fact that the doctor only works 2-3 days a week (with no on-call or other physician covering for her) or the fact that I have end-up seeing urgent care more than I have ever had to since I started using her? Her front office staff doesn't have a clue about urgency, so if you are feeling ill and need to be seen, good luck. Dr. Mosher herself is intelligent, and clearly thinks about things. Yes, she is nice. But that isn't enough. We have a lot of choices out here, and if you actually need something more than an annual check-up, you might want to consider a doctor that is actually available to their patients or has a front office that has some common sense. The fact that the front desk is incompetent only makes things worse, and they have gone as far as blaming the doctor herself for not returning urgent phone calls for almost a week.
What went well
  • Trusted the provider's decisions
  • Wait times
What could be improved
  • Office environment
  • Difficult to schedule appointment
  • Staff wasn't friendly
3 others found this helpful
Helpful
Feb 22, 2020
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Excellent doctor. She has been my doctor for over 15+ years. Highly recommend.
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Ilysa S – Mar 04, 2019
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Dr C. Mosher is an outstanding Physician. She takes the time to listen to her patients, and communicates in a knowledgeable, calm, professional and empathic manner. Her office is incredibly efficient, and she never makes me feel rushed. I trust her implicitly and would highly recommend her to family and friends.
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 other person found this helpful
Helpful
Peri F. in Westlake Village, CA – Mar 01, 2019
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Dr. Mosher is one of the most knowledgeable and compassionate doctors I have experienced. The office staff is friendly and efficient and on time.
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Janet W. in Thousand Oaks, CA – Feb 27, 2019
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Hard to get an appointment. Several experiences with Doctor and staff where there was lack of follow through which got in the way of my recovery. I would not recommend Dr. Mosher!
What went well
  • Wait times
What could be improved
  • Difficult to schedule appointment
  • Didn't trust the provider's decisions
3 others found this helpful
Helpful
Apr 16, 2018
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About Me

biography

Dr. Corinna Mosher, MD is an internist in Thousand Oaks, CA and has over 25 years of experience in the medical field. She graduated from UNIVERSITY OF CALIFORNIA AT LOS ANGELES / CENTER FOR HEALTH SCIENCES in 1997. She is affiliated with Los Robles...read more
  • Internal Medicine

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • University Of California At Los Angeles / Center For Health Sciences

    Medical School, 1997
American Board of Medical Specialties®
American Board of Internal Medicine®
Internal Medicine
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.
Patient Favorite Award

Dr. Mosher is a patient favorite Internist

    Read our methodology

    Affiliated Hospitals

    • Los Robles Regional Medical Center

      215 W Janss Rd
      Thousand Oaks, CA 91360
      Recipient of 46
      hospital awards

      America’s 50 Best Hospitals for Surgical Excellence Award™ (2025, 2024, 2023)

      Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

      America's 250 Best Hospitals Award™ (2025, 2024, 2023)

      Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

      View all awards

      How patients felt about the care they received at this hospital.

      82%
      Patients said they were given information about recovering at home

      2% lower than the national average

      75%
      Patients said that nurses always listened to them and explained things well
      View all patient feedback
    Learn more about how Healthgrades measures Hospital Quality