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

Dr. Gregory Michael Bell, MD

Individual provider Rheumatology Physician · NPI 1053425116

Dr. Gregory Michael Bell, MD is a Rheumatology Physician in Tiburon, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

157 Trinidad Dr
Tiburon, CA 94920-1037
Phone: (415) 435-6210
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence G63151 (CA)

Record details

NPI number1053425116
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 18, 2006
Last updated in NPPESJuly 8, 2007