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

Individual provider Internal Medicine Physician · NPI 1730266677

James S. Kastelman, MD is an Internal Medicine in Campbell, California. Graduated from Columbia University College of Physicians and Surgeons in 1983, 43 years ago. Accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
43
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
CA
In the registry since
2006
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

220 E Hacienda Ave
Campbell, CA 95008-6617
Phone: (408) 236-6400
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G54963 (CA)

Record details

NPI number1730266677
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 31, 2006
Last updated in NPPESNovember 30, 2021
Mailing address1800 Harrison St Fl 7, Oakland, CA 94612-3466

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 1983 (43 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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