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THOMAS MICHAEL MARSELLA M.D.
NPI 1982716460
Preventive Medicine - Occupational Medicine in San Francisco, CA

Active since August 31, 2006
45 CASTRO ST, SOUTH TOWER, SUITE 160A, SAN FRANCISCO, CA 94114(415) 600-5252(415) 600-4646 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Thomas Michael Marsella M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THOMAS MICHAEL MARSELLA M.D. (NPI 1982716460) is an individual occupational medicine provider in San Francisco, California, licensed in California (G060434) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1982716460
Entity TypeIndividualMale
Primary Taxonomy2083X0100X
Provider Legal NameTHOMAS MICHAEL MARSELLACredential: M.D.
Location Address45 CASTRO ST, SOUTH TOWER, SUITE 160ASan Francisco, CA 94114-1010
Mailing Address45 Castro St, South Tower, Suite 160aSan Francisco, CA 94114-1010 · (415) 600-5252 · Fax (415) 600-4646
Phone(415) 600-5252
Fax(415) 600-4646
Sole ProprietorNo
Enumeration DateAugust 31, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1982716460 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPreventive Medicine · Occupational MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2083X0100X
License✔ Licensed in CA · G060434
Definition
Occupational medicine focuses on the health of workers, including the ability to perform work; the physical, chemical, biological, and social environments of the workplace; and the health outcomes of environmental exposures. Practitioners in this field address the promotion of health in the work place, and the prevention and management of occupational and environmental injury, illness, and disability.
45 CASTRO ST, San Francisco, CA 94114
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Other Identifiers 1

Medicare UPIND33784CA

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JENNIFER ALICIA THALER MS CCC- SLP
Speech-Language Pathologist
45 CASTRO ST
SAN FRANCISCO, CA 94114
San Francisco County (415) 600-6000
ALYSSA CLAIRE GHIRINGHELLI MSW
Social Worker
45 CASTRO ST
SAN FRANCISCO, CA 94114
San Francisco County (415) 600-5555
DR. BRIAN MICHAEL PARRETT M.D.
Plastic Surgery
45 CASTRO ST
SAN FRANCISCO, CA 94114
San Francisco County (415) 565-6888
SEMI HAN MD
Internal Medicine
45 CASTRO ST
SAN FRANCISCO, CA 94114
San Francisco County (415) 600-6000
MR. CARL STEIN MHS, PA-C
Physician Assistant (Medical)
45 CASTRO ST, SUITE 402
SAN FRANCISCO, CA 94114
San Francisco County (415) 861-2400
MS. TIFFANY TANG MBA, OTR, CHT, CEAS
Occupational Therapist
45 CASTRO ST, SOUTH TOWER LEVEL A, OUTPATIENT REHAB
SAN FRANCISCO, CA 94114
San Francisco County (415) 600-5855
CANDICE AUSTIN DENBY PA
Physician Assistant (Surgical)
45 CASTRO ST, SUITE 410
SAN FRANCISCO, CA 94114
San Francisco County (415) 565-6884
DR. WILLIAM J. KAPLA MD
Family Medicine (Adult Medicine)
45 CASTRO ST, SUITE #432
SAN FRANCISCO, CA 94114
San Francisco County (415) 865-3737

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Marsella's NPI number?

The NPI number for Thomas Marsella is 1982716460. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is Thomas Marsella located?

Thomas Marsella practices at 45 Castro St South Tower, Suite 160A, San Francisco, CA 94114. The listed phone number is (415) 600-5252.

What is Thomas Marsella's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Occupational Medicine, with taxonomy code 2083X0100X.

When was this NPI record last updated?

The NPPES record for Thomas Marsella was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.