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

Thomas Michael Marsella, MD

Individual provider Occupational Medicine Physician · NPI 1982716460

Thomas Michael Marsella, MD is an Occupational Medicine Physician in San Francisco, 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

45 Castro St South Tower Ste 160A
San Francisco, CA 94114-1010
Phone: (415) 600-5252
Fax: (415) 600-4646
Show map & directions

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

Specialties & licences

Occupational Medicine Physician (primary) Taxonomy 2083X0100X · Licence G060434 (CA)

Record details

NPI number1982716460
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 31, 2006
Last updated in NPPESJuly 8, 2007

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