Huy Phung, M.D.
NPI 1356443485 · Family Medicine Physician · Olivehurst, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Huy Phung, M.D. is a Family Medicine Physician provider in Olivehurst, CA (NPI 1356443485).
Provider details
- NPI number
- 1356443485
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A83987 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
418 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 222 | $3 |
| Hemoglobin A1c Level, By Device for Home Use83037 | 148 | $0 |
| Urinalysis, Manual Test81002 | 48 | $3 |
Typical Medicare-allowed amounts for these services range $0–$3 (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 · 106 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 514 | 86 |
| Atorvastatin Calcium | 275 | 67 |
| Metformin Hcl | 231 | 51 |
| Omeprazole | 219 | 53 |
| Amlodipine Besylate | 190 | 44 |
| Lisinopril | 181 | 53 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,094 across 42 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
- 2006-09-01
- Last updated
- 2014-02-26
Frequently asked questions
- What is Huy Phung's NPI number?
- Huy Phung's National Provider Identifier (NPI) is 1356443485, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Huy Phung's specialty?
- Huy Phung is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Huy Phung located?
- Huy Phung's practice location on file with NPPES is 4941 Olivehurst Ave, Olivehurst, CA 95961-4225.
- What is Huy Phung's phone number?
- The practice phone number listed in the NPPES registry for Huy Phung is (530) 743-4611.
- Does Huy Phung accept Medicare?
- Huy Phung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Huy Phung's NPI active?
- Yes — Huy Phung's NPI (1356443485) is active in the NPPES registry as of the last update on 2014-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.