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

Chelsea A Hastings, DO

Individual provider Pediatrics Physician · NPI 1942654371

Chelsea A Hastings, DO is a Pediatrics Physician in Larkspur, California. Works from 2 locations. Licensed in California and Massachusetts.

Licensed in
CA, MA
In the registry since
2016
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1100 Larkspur Landing Cir Ste 10
Larkspur, CA 94939-1836
Phone: (415) 464-1350
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 300 Longwood Ave, Boston, MA 02115-5724 — (617) 355-6000

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 20A20173 (CA)
Pediatrics Physician Taxonomy 208000000X · Licence 279343 (MA)

Record details

NPI number1942654371
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 22, 2016
Last updated in NPPESApril 4, 2025
Certification dateApril 4, 2025

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