Gan Ng, MD
NPI 1588636641 · Hospitalist Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gan Ng, MD is a Hospitalist Physician provider in Los Angeles, CA (NPI 1588636641).
Provider details
- NPI number
- 1588636641
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 230318 (NY)
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
20 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 66 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 278 | 44 |
| Losartan Potassium | 177 | 29 |
| Amlodipine Besylate | 168 | 25 |
| Sertraline Hcl | 109 | 15 |
| Mirtazapine | 94 | 13 |
| Metoprolol Succinate | 92 | 13 |
| Tamsulosin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-03
- Last updated
- 2017-03-28
Frequently asked questions
- What is Gan Ng's NPI number?
- Gan Ng's National Provider Identifier (NPI) is 1588636641, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gan Ng's specialty?
- Gan Ng is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Gan Ng located?
- Gan Ng's practice location on file with NPPES is 757 Westwood Plz, Los Angeles, CA 90095-7417.
- What is Gan Ng's phone number?
- The practice phone number listed in the NPPES registry for Gan Ng is (310) 267-9643.
- Does Gan Ng accept Medicare?
- Gan Ng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gan Ng's NPI active?
- Yes — Gan Ng's NPI (1588636641) is active in the NPPES registry as of the last update on 2017-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.