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

Dr. John Anthony Griffin, MD

Individual provider Colon & Rectal Surgery Physician · NPI 1821014903

Dr. John Anthony Griffin, MD is a Surgical Oncology in Loma Linda, California. Qualified in 1997, 29 years ago. Practices with Faculty Physicians and Surgeons of Llusm, a 1,308-clinician group and accepts Medicare assignment. Licensed in California, Utah and Washington.

Years since qualifying
29
Licensed in
CA, UT, WA
In the registry since
2006
Specialties on file
3
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

11370 Anderson St Ste 2100
Loma Linda, CA 92354-3450
Phone: (909) 558-2822
Show map & directions

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

Specialties & licences

Colon & Rectal Surgery Physician (primary) Taxonomy 208C00000X · Licence C202417 (CA)
Colon & Rectal Surgery Physician Taxonomy 208C00000X · Licence MD60664479 (WA)
Colon & Rectal Surgery Physician Taxonomy 208C00000X · Licence 5306253-1205 (UT)

Record details

NPI number1821014903
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 14, 2006
Last updated in NPPESOctober 21, 2025
Certification dateOctober 21, 2025

Medicare enrollment

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

Medicare specialtySURGICAL ONCOLOGY
Medical schoolOTHER
Graduated 1997 (29 years in practice)
Group practice Faculty Physicians And Surgeons Of Llusm — 1308 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

Other providers in Loma Linda