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

Individual provider Gastroenterology Physician · NPI 1942258728

Dr. Raphael B. Merriman, MD is a Gastroenterology in San Francisco, California. Qualified in 1990, 36 years ago. Practices with Sutter Bay Medical Foundation, a 3,762-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
36
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.

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Practice location Address checks out

1100 Van Ness Ave
San Francisco, CA 94109-6978
Phone: (415) 600-1000
Fax: (415) 558-7051
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Transplant Hepatology Physician (primary) Taxonomy 207RT0003X · Licence 070327 (CA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 070327 (CA)

Record details

NPI number1942258728
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 4, 2006
Last updated in NPPESOctober 28, 2022
Certification dateOctober 28, 2022

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 1990 (36 years in practice)
Group practice Sutter Bay Medical Foundation — 3762 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations7 on file with Medicare

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