Gretchen Andersen, PA.- C
NPI 1346559440 · Physician Assistant · Los Angeles, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gretchen Andersen, PA.- C is a Physician Assistant provider in Los Angeles, CA (NPI 1346559440).
Provider details
- NPI number
- 1346559440
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA.- C
- Sex
- Female
- Sole proprietor
- No
- License
- 014249 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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)
- 1670 E 120th StLos Angeles, CA 90059-3026Phone: (424) 338-1000
Registry dates
- Enumerated
- 2010-10-07
- Last updated
- 2025-12-10
- Certified
- 2025-12-10
Frequently asked questions
- What is Gretchen Andersen's NPI number?
- Gretchen Andersen's National Provider Identifier (NPI) is 1346559440, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Andersen's specialty?
- Gretchen Andersen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gretchen Andersen located?
- Gretchen Andersen's practice location on file with NPPES is 200 N Main St Fl 18, Los Angeles, CA 90012-4110.
- What is Gretchen Andersen's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Andersen is (213) 978-3800.
- Does Gretchen Andersen accept Medicare?
- Gretchen Andersen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gretchen Andersen's NPI active?
- Yes — Gretchen Andersen's NPI (1346559440) is active in the NPPES registry as of the last update on 2025-12-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.