Saundra Nguyen
NPI 1902337850 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Saundra Nguyen is a Internal Medicine Physician provider in San Francisco, CA (NPI 1902337850).
Provider details
- NPI number
- 1902337850
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- A158861 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
476 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 214 | $129 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 104 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 53 | $185 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 52 | $131 |
| Administration of Influenza Virus VaccineG0008 | 23 | $33 |
| Admn Sarscov2 Vacc 1 Dose |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 127 | 46 |
| Levothyroxine Sodium | 125 | 40 |
| Semaglutidebrand: Ozempic | 116 | 22 |
| Amlodipine Besylate | 88 | 35 |
| Rosuvastatin Calcium | 87 | 33 |
| Fluticasone Propionate | 69 | 39 |
| Olmesartan Medoxomil |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-03-22
- Last updated
- 2020-03-26
- Certified
- 2020-03-26
Frequently asked questions
- What is Saundra Nguyen's NPI number?
- Saundra Nguyen's National Provider Identifier (NPI) is 1902337850, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Saundra Nguyen's specialty?
- Saundra Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Saundra Nguyen located?
- Saundra Nguyen's practice location on file with NPPES is 505 Parnassus Ave Rm M1480, San Francisco, CA 94143-2204.
- What is Saundra Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Saundra Nguyen is (415) 476-1529.
- Does Saundra Nguyen accept Medicare?
- Saundra Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Saundra Nguyen's NPI active?
- Yes — Saundra Nguyen's NPI (1902337850) is active in the NPPES registry as of the last update on 2020-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.