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4 Patient Reviews
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Office Hours

  • Mon:8:00am - 5:00pm
  • Tue:8:00am - 5:00pm
  • Wed:8:00am - 5:00pm
  • Thu:8:00am - 5:00pm
  • Fri:8:00am - 5:00pm

Jason L. Umphress, MD

Internal Medicine Physician - General

Highlights

  • Board Certified

Biography

Jason L. Umphress, MD is a Internal Medicine Physician - General practicing in Woodland, CA

He has not yet shared a personalized biography with Doctor.com.

Featured Review See More Reviews

Dr Umphress was wonderful and we worked together on the outcome. I was very happy when I left his office…

Anonymous

Summary

Provider Training

UniversityDegreeFocusGraduated
UC San Diego/UCSD Rady Children's HospDoctorateOtherNot Specified

InstitutionFocusYear
Residency - Kaiser Permanente Medical Center - San FranciscoOtherNot Specified
Internship - University of Texas Medical School - HoustonOtherNot Specified
Fellowship - UC Davis Medical Center - IM ProgramOtherNot Specified

CertificationCert. BodyYear

Sub-Specialty: Gastroenterology		Internal MedicineNot Specified

Practice & Hospital Affiliations

  • Woodland Memorial Hospital
       Woodland, California - 95695

Specialties

Languages Spoken
English, Spanish
Medical Specialties
  • Internal Medicine Physician

Years In Practice: 23 (started in 2002)

Accepts New Patients: No

Payment Options

Payment Details

Reviews

Average Rating: 5
Number of Reviews: 4
Most Recent Review: 10/25/2025
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Office & Staff Evaluation Not rated

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Office Appearance & Atmosphere Not rated
Handling of Billing Matters Not rated
Average Wait Time Not Rated

Provider Evaluation

Listening Skills
Clear Explanations
Open full review
Verified Patient

“Dr Umphress was wonderful and we...”

Dr Umphress was wonderful and we worked together on the outcome. I was very happy when I left his office

Anonymous 10/25/2025
Open full review
Verified Patient

“Kept me well informed...”

Kept me well informed

Anonymous 06/29/2025
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Verified Patient

“Very very good discussion with d...”

Very very good discussion with doc about my circumstances.

Anonymous 10/19/2025
Open full review
Verified Patient

“Care was provided by the Doctor...”

Care was provided by the Doctor

Anonymous 06/20/2025

Locations

Affiliated Practices

Practice Colleagues

Kristen Webster, PA-C   -   Internal Medicine Physician, Physician Assistant
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Procedures & Services

Procedures & Treatments Offered

    Commonly Prescribed Medications

    Jason L. Umphress, MD has not yet listed the medications that he commonly prescribes.

    Accepted Insurance

    Accepted Insurance

    Jason L. Umphress, MD has not yet specified the insurance plans he accepts.
     

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