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

Ali S. Vaziri, MD

Individual provider Gastroenterology Physician · NPI 1710954706

Ali S. Vaziri, MD is a Gastroenterology in Napa, California. Graduated from Tufts University School of Medicine in 1990, 36 years ago. Accepts Medicare assignment. Licensed in California.

Years since qualifying
36
Trained at
Tufts University School of Medicine
Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

935 Trancas St Ste 1C
Napa, CA 94558-2942
Phone: (707) 255-8207
Fax: (707) 255-4628
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hepatology Physician (primary) Taxonomy 207RI0008X · Licence G71962 (CA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence G71962 (CA)

Record details

NPI number1710954706
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 8, 2006
Last updated in NPPESMarch 19, 2019

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesFAMILY PRACTICE
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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