Charles Huynh, D.O.
NPI 1841225885 · Family Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Huynh, D.O. is a Family Medicine Physician provider in Los Angeles, CA (NPI 1841225885).
Provider details
- NPI number
- 1841225885
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 20A7149 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 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 · 76 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 304 | 36 |
| Atorvastatin Calcium | 244 | 33 |
| Lisinopril | 116 | 17 |
| Tamsulosin Hcl | 103 | 12 |
| Amlodipine Besylate | 88 | 15 |
| Fenofibrate Nanocrystallizedbrand: Fenofibrate | 84 | 14 |
| Fenofibrate,micronized |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,756 across 62 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
- 2006-07-11
- Last updated
- 2025-07-18
- Certified
- 2025-07-18
Frequently asked questions
- What is Charles Huynh's NPI number?
- Charles Huynh's National Provider Identifier (NPI) is 1841225885, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Huynh's specialty?
- Charles Huynh is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Huynh located?
- Charles Huynh's practice location on file with NPPES is 5427 Whittier Blvd, Los Angeles, CA 90022-4101.
- What is Charles Huynh's phone number?
- The practice phone number listed in the NPPES registry for Charles Huynh is (323) 869-5448.
- Does Charles Huynh accept Medicare?
- Charles Huynh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Huynh's NPI active?
- Yes — Charles Huynh's NPI (1841225885) is active in the NPPES registry as of the last update on 2025-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.