Thanh-An Huynh, D.O.
NPI 1770946816 · Student in an Organized Health Care Education/Training Program · Colton, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thanh-An Huynh, D.O. is a Student in an Organized Health Care Education/Training Program provider in Colton, CA (NPI 1770946816).
Provider details
- NPI number
- 1770946816
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
42 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 42 | $88 |
Typical Medicare-allowed amounts for these services range $88–$88 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 40 | 30 |
| Furosemide | 32 | 25 |
| Amlodipine Besylate | 19 | 16 |
| Metoprolol Succinate | 18 | 13 |
| Metoprolol Tartrate | 18 | 15 |
| Famotidine | 16 | 13 |
| Losartan Potassium | 16 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-04-05
- Last updated
- 2022-01-11
Frequently asked questions
- What is Thanh-An Huynh's NPI number?
- Thanh-An Huynh's National Provider Identifier (NPI) is 1770946816, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thanh-An Huynh's specialty?
- Thanh-An Huynh 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 Thanh-An Huynh located?
- Thanh-An Huynh's practice location on file with NPPES is 400 N Pepper Ave, Colton, CA 92324-1801.
- What is Thanh-An Huynh's phone number?
- The practice phone number listed in the NPPES registry for Thanh-An Huynh is (909) 580-6343.
- Does Thanh-An Huynh accept Medicare?
- Thanh-An Huynh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thanh-An Huynh's NPI active?
- Yes — Thanh-An Huynh's NPI (1770946816) is active in the NPPES registry as of the last update on 2022-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.