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

Dr. John P. Cello, MD

Individual provider Internal Medicine Physician · NPI 1346205168

Dr. John P. Cello, MD is a Gastroenterology in San Francisco, California. Graduated from Harvard Medical School in 1969, 57 years ago. Practices with Regents of the University of California, a 717-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
57
Trained at
Harvard Medical School
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

505 Parnassus Ave
San Francisco, CA 94143-2204
Phone: (415) 353-1702
Fax: (415) 353-9656
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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 G26675 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence G26675 (CA)

Record details

NPI number1346205168
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 18, 2006
Last updated in NPPESJuly 13, 2026

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 1969 (57 years in practice)
Group practice Regents Of The University Of California — 717 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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