Thanh-Tam Huynh
NPI 1164998803 · Physician Assistant · Newport Beach, CA
Enrolled with Medicare as Order and Referring Only - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thanh-Tam Huynh is a Physician Assistant provider in Newport Beach, CA (NPI 1164998803).
Provider details
- NPI number
- 1164998803
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 56040 (CA)
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 tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% 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 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tirzepatidebrand: Mounjaro | 184 | 30 |
| Levothyroxine Sodiumbrand: Synthroid | 152 | 39 |
| Levothyroxine Sodium | 141 | 45 |
| Metformin Hclbrand: Metformin Hcl Er | 100 | 40 |
| Semaglutidebrand: Ozempic | 97 | 22 |
| Empagliflozinbrand: Jardiance |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,840 across 166 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
- 2018-10-20
- Last updated
- 2023-04-24
- Certified
- 2023-04-24
Frequently asked questions
- What is Thanh-Tam Huynh's NPI number?
- Thanh-Tam Huynh's National Provider Identifier (NPI) is 1164998803, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thanh-Tam Huynh's specialty?
- Thanh-Tam Huynh is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Thanh-Tam Huynh located?
- Thanh-Tam Huynh's practice location on file with NPPES is 355 Placentia Ave Ste 203, Newport Beach, CA 92663-3302.
- What is Thanh-Tam Huynh's phone number?
- The practice phone number listed in the NPPES registry for Thanh-Tam Huynh is (949) 650-0616.
- Does Thanh-Tam Huynh accept Medicare?
- Thanh-Tam 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-Tam Huynh's NPI active?
- Yes — Thanh-Tam Huynh's NPI (1164998803) is active in the NPPES registry as of the last update on 2023-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.