Summary

Dr. Jason Umphress is a gastroenterologist who specializes in digestive health and disorders of the gastrointestinal system. He earned his medical degree from UC San Diego/UCSD Rady Children's Hospital and completed his residency at Kaiser Permanente Medical Center in San Francisco. Dr. Umphress furthered his training with a fellowship at UC Davis Medical Center's Internal Medicine Program, giving him advanced expertise in gastroenterology. He communicates with patients in English.

Dr. Umphress practices at Woodland Memorial Hospital and sees patients at the Specialty Care - Dignity Health Woodland Clinic in Woodland, California. His clinical expertise includes treating colon polyps, hemorrhoids, and diverticular disease. He performs colonoscopies and lower gastrointestinal endoscopy procedures to diagnose and treat digestive conditions. Patients have given him an average rating of 4.5 out of 5 stars on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.5
  • 29 insurance plans accepted
  • speaks English
  • UC Davis Medical Center - IM Program
  • 20 written reviews
  • 1 award
  • 1 specialty
  • 10 areas of expertise
  • 3 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Awards

  • Vitals Preferred Provider

    • Vitals Preferred Provider Award
      • Preferred Provider badge recognizes providers that are committed to transparency, responsiveness and great service to patients, and have earned a high patient satisfaction rating.

  • Click for our Methodology

Office Location

Specialty Care - Dignity Health Woodland Clinic - Woodland, CA

1321 Cottonwood StWoodland, CA 95695
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Jason L. Umphress, MDJan Seiler, APRNChimdi Mfebe, APRNSuk Whang, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.5 
24 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks English Speaks English Speaks English
Woodland , CAMontgomery , ALLittle Rock , ARVacaville , CA
Med School: UC San Diego/UCSD Rady Children's Hosp Med School: Georgia State University Med School: Chamberlain University College of Nursing Med School: Uniformed Services Univ Of The Health Sciences F E Hebert Schl Of Medicine
Current Profile
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Insurance Plans Accepted by Jason L. Umphress

  • Accepts Medicare
  • Accepts Medicaid
  • AARP
  • Aetna
  • Aetna - HMO
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Cigna
  • Commonwealth Care Alliance
  • Health Net
  • Health Net - HMO
  • Humana
  • Kaiser Permanente
  • Magellan Health
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Mercy Care
  • Nippon Life Benefits
  • Partnership HealthPlan of California
  • PreferredOne
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare (Advantage HMO)
  • Western Health Advantage
  • Western Health Advantage - HMO

Medical Specialties

Jason L. Umphress has the following specialty

Specialty Expertise

Jason L. Umphress has the following 10 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

Jason L. Umphress holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2025.

Education & Training

Fellowship

Completed their fellowship at UC Davis Medical Center - IM Program.

Residency

Completed their residency at Kaiser Permanente Medical Center - San Francisco.

Medical School

Graduated from UC San Diego/UCSD Rady Children's Hosp.

NPI Number

Jason L. Umphress' NPI number is 1194741595.

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Frequently Asked Questions

Does Jason L. Umphress accept my insurance?
You can see the insurance plans that Jason L. Umphress accepts on their Vitals profile.
Is Jason L. Umphress accepting new patients?
Jason L. Umphress is accepting new patients on Vitals. View Jason L. Umphress's profile on Vitals to make an appointment.
How can I make an appointment with Jason L. Umphress?
You can find contact information for Jason L. Umphress here on Vitals.
Where is Jason L. Umphress's office located?
Jason L. Umphress's office is located at 1321 Cottonwood St, Woodland, CA, 95695.
What languages does Jason L. Umphress speak?
Jason L. Umphress speaks English.

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