Samuel Ng
NPI 1619439262 · Student in an Organized Health Care Education/Training Program · San Francisco, CA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Ng is a Student in an Organized Health Care Education/Training Program provider in San Francisco, CA (NPI 1619439262).
Provider details
- NPI number
- 1619439262
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 63 | 31 |
| Hydroxychloroquine Sulfate | 45 | 22 |
| Methotrexate Sodiumbrand: Methotrexate | 33 | 20 |
| Allopurinol | 25 | 15 |
| Folic Acid | 16 | — |
| Alendronate Sodium | 15 | — |
| Celecoxib | 12 | — |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,278 across 58 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-03
- Last updated
- 2019-04-03
Frequently asked questions
- What is Samuel Ng's NPI number?
- Samuel Ng's National Provider Identifier (NPI) is 1619439262, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Ng's specialty?
- Samuel Ng is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Samuel Ng located?
- Samuel Ng's practice location on file with NPPES is 450 Stanyan St, San Francisco, CA 94117-1019.
- What is Samuel Ng's phone number?
- The practice phone number listed in the NPPES registry for Samuel Ng is (415) 759-5942.
- Does Samuel Ng accept Medicare?
- Samuel Ng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Ng's NPI active?
- Yes — Samuel Ng's NPI (1619439262) is active in the NPPES registry as of the last update on 2019-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.