Chelsea Hastings, D.O.
NPI 1942654371 · Pediatrics Physician · Larkspur, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chelsea Hastings, D.O. is a Pediatrics Physician provider in Larkspur, CA (NPI 1942654371).
Provider details
- NPI number
- 1942654371
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 279343 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 300 Longwood AveBoston, MA 02115-5724Phone: (617) 355-6000
Registry dates
- Enumerated
- 2016-04-22
- Last updated
- 2025-04-04
- Certified
- 2025-04-04
Frequently asked questions
- What is Chelsea Hastings's NPI number?
- Chelsea Hastings's National Provider Identifier (NPI) is 1942654371, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chelsea Hastings's specialty?
- Chelsea Hastings is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Chelsea Hastings located?
- Chelsea Hastings's practice location on file with NPPES is 1100 Larkspur Landing Cir Ste 10, Larkspur, CA 94939-1836.
- What is Chelsea Hastings's phone number?
- The practice phone number listed in the NPPES registry for Chelsea Hastings is (415) 464-1350.
- Does Chelsea Hastings accept Medicare?
- Chelsea Hastings is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chelsea Hastings's NPI active?
- Yes — Chelsea Hastings's NPI (1942654371) is active in the NPPES registry as of the last update on 2025-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.