Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Jason L Umphress, MD

Individual provider Gastroenterology Physician · NPI 1194741595

Dr. Jason L Umphress, MD is a Gastroenterology in Woodland, California. Qualified in 1995, 31 years ago. Practices with Dignity Health Medical Foundation, a 1,204-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
31
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1321 Cottonwood St Ste 203
Woodland, CA 95695-5131
Phone: (530) 666-1631
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence A64129 (CA)

Record details

NPI number1194741595
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 15, 2006
Last updated in NPPESOctober 30, 2013

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 1995 (31 years in practice)
Group practice Dignity Health Medical Foundation — 1204 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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