Gillian Nelson
NPI 1770625139 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gillian Nelson is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1770625139).
Provider details
- NPI number
- 1770625139
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- A94207 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2007-02-13
- Last updated
- 2021-12-13
Frequently asked questions
- What is Gillian Nelson's NPI number?
- Gillian Nelson's National Provider Identifier (NPI) is 1770625139, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gillian Nelson's specialty?
- Gillian Nelson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gillian Nelson located?
- Gillian Nelson's practice location on file with NPPES is 5850 S Main St, Los Angeles, CA 90003-1215.
- What is Gillian Nelson's phone number?
- The practice phone number listed in the NPPES registry for Gillian Nelson is (323) 846-4312.
- Does Gillian Nelson accept Medicare?
- Gillian Nelson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gillian Nelson's NPI active?
- Yes — Gillian Nelson's NPI (1770625139) is active in the NPPES registry as of the last update on 2021-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.