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

Dr. Clifford John Sewell, MD

Individual provider Internal Medicine Physician · NPI 1851437123

Dr. Clifford John Sewell, MD is an Internal Medicine in Danville, California. Graduated from Virginia Commonwealth University, School of Medicine in 1994, 32 years ago. Practices as a sole proprietor, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
32
Trained at
Virginia Commonwealth University, School of Medicine
Licensed in
CA
In the registry since
2007
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

400 El Cerro Blvd Ste 102
Danville, CA 94526-1731
Phone: (925) 855-3780
Fax: (925) 855-3785
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 990 Columbus Ave, San Francisco, CA 94133-2310 — (415) 732-7029

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A55442 (CA)

Record details

NPI number1851437123
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 30, 2007
Last updated in NPPESOctober 1, 2020
Certification dateOctober 1, 2020

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolVIRGINIA COMMONWEALTH UNIVERSITY, SCHOOL OF MEDICINE
Graduated 1994 (32 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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