Sandra Nguyen, PA-C
NPI 1477266146 · Physician Assistant · San Antonio, TX
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandra Nguyen, PA-C is a Physician Assistant provider in San Antonio, TX (NPI 1477266146).
Provider details
- NPI number
- 1477266146
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA16320 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
3 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
655 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 | 174 | $104 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 167 | $74 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 67 | $105 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 31 | $12 |
| Automated Urinalysis Test81003 | 27 | $2 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 26 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 81 | 73 |
| Meloxicam | 54 | 30 |
| Gabapentin | 50 | 22 |
| Azithromycin | 48 | 44 |
| Lisinopril | 43 | 20 |
| Levothyroxine Sodium | 42 | 18 |
| Trazodone Hcl | 37 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-12-27
- Last updated
- 2023-01-02
- Certified
- 2023-01-02
Frequently asked questions
- What is Sandra Nguyen's NPI number?
- Sandra Nguyen's National Provider Identifier (NPI) is 1477266146, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Nguyen's specialty?
- Sandra Nguyen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sandra Nguyen located?
- Sandra Nguyen's practice location on file with NPPES is 20821 US Highway 281 N Ste 122, San Antonio, TX 78258-7595.
- What is Sandra Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Sandra Nguyen is (210) 546-1600.
- Does Sandra Nguyen accept Medicare?
- Sandra Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandra Nguyen's NPI active?
- Yes — Sandra Nguyen's NPI (1477266146) is active in the NPPES registry as of the last update on 2023-01-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.