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Jason L. Umphress, MD

4.9 out of 5 · 98 reviews

Gastroenterology • Woodland, CA

About

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Jason L. Umphress, MD is a gastroenterologist in Woodland, CA who specializes in managing gastrointestinal, liver, and pancreaticobiliary disease in clinic and hospital settings. He is trained in endoscopy for diagnosis and treatment of gastrointestinal disease and is credentialed at Dignity Health - Woodland Memorial Hospital.

Clinic Type

Gastroenterology

Address

Woodland, CA

Phone

530-668-2600

Email

MediaInquiries@CommonSpirit.org

Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://www.commonspirit.org/find-a-doctor/jason-l-umphress-1194741595

Services Offered

  • Gastroenterology
  • Internal Medicine (Sub: Gastroenterology)

Team

  • Jason L. Umphress, MD, MD — Gastroenterologist

Insurance & Payment

—

Languages Spoken

  • English

Social Media

TwitterYoutubeFacebookLinkedinInstagram

Photos

Jason L. Umphress, MD, gastroenterology clinic in Woodland, CA — photo 1 of 8Jason L. Umphress, MD, gastroenterology clinic in Woodland, CA — photo 2 of 8Jason L. Umphress, MD, gastroenterology clinic in Woodland, CA — photo 3 of 8Jason L. Umphress, MD, gastroenterology clinic in Woodland, CA — photo 4 of 8Jason L. Umphress, MD, gastroenterology clinic in Woodland, CA — photo 5 of 8Jason L. Umphress, MD, gastroenterology clinic in Woodland, CA — photo 6 of 8Jason L. Umphress, MD, gastroenterology clinic in Woodland, CA — photo 7 of 8Jason L. Umphress, MD, gastroenterology clinic in Woodland, CA — photo 8 of 8

What Patients Say

Overall sentiment across review platforms: positive

  • WebMD / Vitals: 4.5/5 (~20)
  • US News Doctors: 5/5 (78)

Patients praise

  • Down-to-earth and approachable demeanor
  • Informative explanations of procedures and treatments
  • Efficient care processes from check-in to check-out
  • Supportive and skilled staff
  • Effective care for complex conditions like Crohn's disease

Common complaints

  • Some patients feel rushed during appointments
  • Perception of limited time for questions
  • Occasional reports of the provider being dismissive or impatient

"He's the best. So down to earth and helpful and informative."

— WebMD / Vitals

"I felt rushed through the whole appointment. He did most of the talking and talked very fast. Little time was left for me to ask questions. He does not listen well."

— WebMD / Vitals

"Dr. Umphress said that I had IBS-D & deal with it. He was dismissive of me, impatient, actually acted as though he couldn't possibly care any less about me."

— Yelp

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].

In the News

Information sourced from the clinic's website as of July 10, 2026.

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