Duc Hong Phan, M.D
NPI 1083946693ActiveIndividual· Internal Medicine· Houston, TX
Internal Medicine (M.D) in Houston, Texas, trained at George Washington University School of Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $8,900,300 for 49,326 claims, against $215,358 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 18 companies reporting payments in 2025, $3,193 in all, mostly food and beverage.
Overview
| NPI | 1083946693 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | Yes |
| NPI issued | Feb 6, 2010 |
| Last updated in NPPES | Dec 6, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | P2340 | TX |
| Internal Medicine | 207R00000X | A111050 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 266 |
|---|---|
| Services billed | 2,922 across 65 procedure codes |
| Paid by Medicare | $215,358 |
Part D prescriptions in 2024
| Prescriptions (claims) | 49,326 · 105,088 30-day fills |
|---|---|
| Patients | 2,276 |
| Total drug cost | $8,900,300 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Internal Medicine |
Hospital affiliations
- HCA Houston Healthcare WestHouston, TX
- Houston Methodist Sugarland HospitalSugar Land, TX
- Memorial Hermann Hospital SystemHouston, TX
- Memorial Hermann Sugar Land HospitalSugar Land, TX
Other facilities
- Extracare Home Health ServicesHome health agency · Houston, TX
- Sumic Care IncorporatedHome health agency · Houston, TX
Industry payments (Open Payments)
- 2025$3,193 · 234 payments from 18 companies
- 2024$3,124 · 233 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $592.63 | 55 |
| Bayer Healthcare Pharmaceuticals Inc. | $336.73 | 27 |
| Amgen Inc. | $326.34 | 27 |
| Abbvie Inc. | $322.70 | 31 |
| Glaxosmithkline, LLC. | $297.34 | 22 |
What the 2025 payments were for
- Food and Beverage$3,193 · 234 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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