Jason L. Umphress, MD
Internal Medicine Physician - Gastroenterology
Highlights
- Board Certified
Biography
I developed an interest in nature and science in the early years of my education. The field of gastroenterology allows me to apply the basic sciences to positively effect the health and quality of li… Read more ›
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Everyone was right on it…
Summary
Provider Training
| University | Degree | Focus | Graduated |
|---|---|---|---|
| UC San Diego/UCSD Rady Children's Hosp | Doctorate | Other | Not Specified |
| Institution | Focus | Year |
|---|---|---|
| Residency - Kaiser Permanente Medical Center - San Francisco | Other | Not Specified |
| Fellowship - UC Davis Medical Center - IM Program | Other | Not Specified |
| Certification | Cert. Body | Year |
|---|---|---|
Sub-Specialty: Gastroenterology | Internal Medicine | Not Specified |
Practice & Hospital Affiliations
- Woodland Memorial Hospital
Woodland, California - 95695
Photos
Specialties
Languages Spoken
EnglishMedical Specialties
- Internal Medicine Physician - Sub-Specialty: Gastroenterology
Years In Practice: 24 (started in 2002)
Accepts New Patients: Yes
Payment Options
Payment DetailsReviews
Number of Reviews: 11
Most Recent Review: 05/20/2026
Office & Staff Evaluation Not rated
Provider Evaluation
Review by
Anonymous
on
May 20, 2026
-
Specialty Care - Dignity Health Woodland Clinic - Woodland, CA - 1321 Cottonwood St
Office & Staff Evaluation
Practice Evaluation
- Ease of Getting an Appointment Not rated
- Courtesy of Practice Staff Not rated
- Appearance & Atmosphere of Office Not rated
- Handling of Billing & Insurance Not rated
- Average Wait Time Not rated
Provider Evaluation
- Willingness to Spend Time with You Not rated
-
Listening Skills
-
Clear explanations
- Trust in Decision Making Not rated
- Accuracy of Diagnosis Not rated
- Post-Visit Follow-Up Not rated
“Everyone was right on it...”
Everyone was right on it
Review by
Anonymous
on
May 13, 2026
-
Specialty Care - Dignity Health Woodland Clinic - Woodland, CA - 1321 Cottonwood St
Office & Staff Evaluation
Practice Evaluation
- Ease of Getting an Appointment Not rated
- Courtesy of Practice Staff Not rated
- Appearance & Atmosphere of Office Not rated
- Handling of Billing & Insurance Not rated
- Average Wait Time Not rated
Provider Evaluation
- Willingness to Spend Time with You Not rated
-
Listening Skills
-
Clear explanations
- Trust in Decision Making Not rated
- Accuracy of Diagnosis Not rated
- Post-Visit Follow-Up Not rated
“Dr. Umphress did a great job [.....”
Dr. Umphress did a great job [...].
Review by
Anonymous
on
December 12, 2025
-
Specialty Care - Dignity Health Woodland Clinic - Woodland, CA - 1321 Cottonwood St
Office & Staff Evaluation
Practice Evaluation
- Ease of Getting an Appointment Not rated
- Courtesy of Practice Staff Not rated
- Appearance & Atmosphere of Office Not rated
- Handling of Billing & Insurance Not rated
- Average Wait Time Not rated
Provider Evaluation
- Willingness to Spend Time with You Not rated
-
Listening Skills
-
Clear explanations
- Trust in Decision Making Not rated
- Accuracy of Diagnosis Not rated
- Post-Visit Follow-Up Not rated
“The Dr's bedside manner was grea...”
The Dr's bedside manner was great.
Review by
Anonymous
on
December 06, 2025
-
Specialty Care - Dignity Health Woodland Clinic - Woodland, CA - 1321 Cottonwood St
Office & Staff Evaluation
Practice Evaluation
- Ease of Getting an Appointment Not rated
- Courtesy of Practice Staff Not rated
- Appearance & Atmosphere of Office Not rated
- Handling of Billing & Insurance Not rated
- Average Wait Time Not rated
Provider Evaluation
- Willingness to Spend Time with You Not rated
-
Listening Skills
-
Clear explanations
- Trust in Decision Making Not rated
- Accuracy of Diagnosis Not rated
- Post-Visit Follow-Up Not rated
“I was kept informed...”
I was kept informed
Review by
Anonymous
on
October 19, 2025
-
Specialty Care - Dignity Health Woodland Clinic - Woodland, CA - 1321 Cottonwood St
Office & Staff Evaluation
Practice Evaluation
- Ease of Getting an Appointment Not rated
- Courtesy of Practice Staff Not rated
- Appearance & Atmosphere of Office Not rated
- Handling of Billing & Insurance Not rated
- Average Wait Time Not rated
Provider Evaluation
- Willingness to Spend Time with You Not rated
-
Listening Skills
-
Clear explanations
- Trust in Decision Making Not rated
- Accuracy of Diagnosis Not rated
- Post-Visit Follow-Up Not rated
“Very very good discussion with d...”
Very very good discussion with doc about my circumstances.
Review by
Anonymous
on
May 13, 2026
-
Specialty Care - Dignity Health Woodland Clinic - Woodland, CA - 1321 Cottonwood St
Office & Staff Evaluation
Practice Evaluation
- Ease of Getting an Appointment Not rated
- Courtesy of Practice Staff Not rated
- Appearance & Atmosphere of Office Not rated
- Handling of Billing & Insurance Not rated
- Average Wait Time Not rated
Provider Evaluation
- Willingness to Spend Time with You Not rated
-
Listening Skills
-
Clear explanations
- Trust in Decision Making Not rated
- Accuracy of Diagnosis Not rated
- Post-Visit Follow-Up Not rated
“I had no problem at all...”
I had no problem at all
Review by
Anonymous
on
May 07, 2026
-
Specialty Care - Dignity Health Woodland Clinic - Woodland, CA - 1321 Cottonwood St
Office & Staff Evaluation
Practice Evaluation
- Ease of Getting an Appointment Not rated
- Courtesy of Practice Staff Not rated
- Appearance & Atmosphere of Office Not rated
- Handling of Billing & Insurance Not rated
- Average Wait Time Not rated
Provider Evaluation
- Willingness to Spend Time with You Not rated
-
Listening Skills
-
Clear explanations
- Trust in Decision Making Not rated
- Accuracy of Diagnosis Not rated
- Post-Visit Follow-Up Not rated
“Doctor Umphress is an excellent ...”
Doctor Umphress is an excellent doctor. I am extremely happy with him. I never feel rushed and he listens and answers questions in a way I can understand.
Review by
Anonymous
on
December 11, 2025
-
Specialty Care - Dignity Health Woodland Clinic - Woodland, CA - 1321 Cottonwood St
Office & Staff Evaluation
Practice Evaluation
- Ease of Getting an Appointment Not rated
- Courtesy of Practice Staff Not rated
- Appearance & Atmosphere of Office Not rated
- Handling of Billing & Insurance Not rated
- Average Wait Time Not rated
Provider Evaluation
- Willingness to Spend Time with You Not rated
-
Listening Skills
-
Clear explanations
- Trust in Decision Making Not rated
- Accuracy of Diagnosis Not rated
- Post-Visit Follow-Up Not rated
“Doctor was great [...]....”
Doctor was great [...].
Review by
Anonymous
on
October 25, 2025
-
Specialty Care - Dignity Health Woodland Clinic - Woodland, CA - 1321 Cottonwood St
Office & Staff Evaluation
Practice Evaluation
- Ease of Getting an Appointment Not rated
- Courtesy of Practice Staff Not rated
- Appearance & Atmosphere of Office Not rated
- Handling of Billing & Insurance Not rated
- Average Wait Time Not rated
Provider Evaluation
- Willingness to Spend Time with You Not rated
-
Listening Skills
-
Clear explanations
- Trust in Decision Making Not rated
- Accuracy of Diagnosis Not rated
- Post-Visit Follow-Up Not rated
“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
Review by
Anonymous
on
June 29, 2025
-
Specialty Care - Dignity Health Woodland Clinic - Woodland, CA - 1321 Cottonwood St
Office & Staff Evaluation
Practice Evaluation
- Ease of Getting an Appointment Not rated
- Courtesy of Practice Staff Not rated
- Appearance & Atmosphere of Office Not rated
- Handling of Billing & Insurance Not rated
- Average Wait Time Not rated
Provider Evaluation
- Willingness to Spend Time with You Not rated
-
Listening Skills
-
Clear explanations
- Trust in Decision Making Not rated
- Accuracy of Diagnosis Not rated
- Post-Visit Follow-Up Not rated
“Kept me well informed...”
Kept me well informed
Locations
Affiliated Practices
Specialty Care - Dignity Health Woodland Clinic - Woodland, CA
1321 Cottonwood StWoodland, CA 95695
Victoria Mohr
2801 N Gantenbein AvePortland, OR 97227
Practice Colleagues
Sonia Ceballos, MD - Obstetrician/Gynecologist
Lorenzo Rossaro, MD - Internal Medicine Physician
Angela Vander Voort, PA-C - Physician Assistant
Luke Bi, MD - Internal Medicine Physician
Sonali Shah, DO - Obstetrician/Gynecologist
Karen Win-Vroom, MD - Surgeon
Joahnna Padilla, MD - Obstetrician/Gynecologist
Nathaniel Ngo, MD - Obstetrician/Gynecologist
Joyce Loeffler, MD - Urologist
Lanchinh Nguyen, MD - Internal Medicine Physician
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.
Comment - “ Everyone was right on it... ”
Everyone was right on it