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Dr. Gregory Warner, DO

Dr. Gregory Warner, DO

Infectious Disease Medicine*
15+ years of experience

Dr. Gregory Warner, DO is an infectious disease internist in Vacaville, CA and has over 15 years of experience in the medical field. He graduated from Western University of Health Sciences College of Osteopathic Medicine of the Pacific in 2005. He is affiliated with medical facilities Northbay Medical Center and Sutter Medical Center-Ose Adams Medical Pavilion. He is accepting new patients and telehealth appointments.

3 Star Rating
Based on 4 reviews 3 Star Rating (4 reviews)

NorthBay Health Infectious Disease

1010 Nut Tree Rd Ste 100 Vacaville, CA 95687
Telehealth available

Make an Appointment

(707) 646-4180

At a Glance

  • Area of Expertise
    Dr. Warner specializes in the area of Infectious Disease. • See board certifications
  • Easy Scheduling
    Patients said scheduling was easy. • See reviews
  • Offers Telehealth
    This doctor offers telehealth appointments. Call the office to schedule an appointment.
  • Practices at Top Hospital
    Surgical Care Excellence Award™ • See hospitals
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Dr. Warner's Reviews

Likelihood to recommend Dr. Warner

3.0

4 ratings, 2 with a written review
5 Star
50%
50%
4 Star
0%
0%
3 Star
0%
0%
2 Star
0%
0%
1 Star
50%
50%

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RecentHighestLowestMost Helpful
What went well
No results
What could be improved
  • I didn't feel respected
  • Difficult to schedule appointment
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Staff wasn't friendly
  • Appointment was rushed
  • Didn't trust the provider's decisions
Helpful
Liz – Mar 13, 2025
Thank you for taking time from your day to share...Read More
×Post a ResponseAre you Dr. Gregory Warner, DO?
What went well
  • Appointment scheduling
  • Wait times
What could be improved
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Staff wasn't friendly
  • Appointment was rushed
  • Didn't trust the provider's decisions
4 people found this helpful
Helpful
sarah in Fairfield, CA – Jul 08, 2016
×Post a ResponseAre you Dr. Gregory Warner, DO?

Leave a review

How was your experience with Dr. Warner?

Know Before You Go

About Me

care philosophy

Dr. Warner partners with his patients to create health plans that best fit patients' lives. He makes it his goal to be easily accessible and to make patients feel at home in his care.

biography

Before I went to medical school, I earned my master's degree in public health and was an epidemiology expert for the Los Angeles County Department. I became fascinated with monitoring and tracking diseases. When I finished medical school and started...read more

  • Infectious Disease 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.

  • Los Angeles County/usc Medical Center, Los Angeles, Ca

    Fellowship Hospital

  • Western University Of Health Sciences College Of Osteopathic Medicine Of The Pacific

    Medical School, 2005
American Board of Medical Specialties®
American Board of Internal Medicine®
- 
Infectious Disease
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.

Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.

Learn more about medical license public record check

  • English

  • Armenian

  • Spanish

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Locations

NorthBay Health Infectious Disease

NorthBay Health Infectious Disease1010 Nut Tree Rd Ste 100 Vacaville, CA 95687
1

Affiliated Hospitals

  • Sutter Medical Center-Ose Adams Medical Pavilion

    2825 Capitol Ave
    Sacramento, CA 95816
    Recipient of 19
    hospital awards

    Surgical Care Excellence Award™ (2025, 2024, 2023)

    Superior clinical outcomes in surgical care across 15 of the most common in-hospital surgical procedures including cardiac, vascular, joint replacement, prostate, spine, and gastrointestinal surgeries

    America's 250 Best Hospitals Award™ (2023)

    Superior clinical outcomes in surgical care across 15 of the most common in-hospital surgical procedures including cardiac, vascular, joint replacement, prostate, spine, and gastrointestinal surgeries

    View all awards

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

    88%
    Patients said they were given information about recovering at home

    4% higher than the national average

    77%
    Patients said that doctors always listened to them and explained things well

    1% higher than the national average

    View all patient feedback

  • Northbay Medical Center

    1200 B Gale Wilson Blvd
    Fairfield, CA 94533

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

    88%
    Patients said they were given information about recovering at home

    4% higher 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