Huy Huynh, DO
NPI 1851975866 · Family Medicine Physician · Rancho Santa Margarita, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Huy Huynh, DO is a Family Medicine Physician provider in Rancho Santa Margarita, CA (NPI 1851975866).
Provider details
- NPI number
- 1851975866
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A23096 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$125 across 1 record (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
- 2021-05-06
- Last updated
- 2024-09-30
- Certified
- 2024-09-30
Frequently asked questions
- What is Huy Huynh's NPI number?
- Huy Huynh's National Provider Identifier (NPI) is 1851975866, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Huy Huynh's specialty?
- Huy Huynh is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Huy Huynh located?
- Huy Huynh's practice location on file with NPPES is 29472 Avenida De Las Banderas, Rancho Santa Margarita, CA 92688.
- What is Huy Huynh's phone number?
- The practice phone number listed in the NPPES registry for Huy Huynh is (949) 459-9966.
- Does Huy Huynh accept Medicare?
- Huy Huynh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Huy Huynh's NPI active?
- Yes — Huy Huynh's NPI (1851975866) is active in the NPPES registry as of the last update on 2024-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.