Yamin Sun, MD
NPI 1801216080ActiveIndividual· Internal Medicine, Medical Oncology· Gainesville, GA
Internal Medicine, Medical Oncology (MD) in Gainesville, Georgia, trained at University of Texas Medical Branch at Galveston (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $4,490,480 for 1,437 claims, against $977,050 paid for services in 2024. Pfizer Inc. was the largest of 38 companies reporting payments in 2025, $2,560 in all, mostly food and beverage.
Overview
| NPI | 1801216080 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 26, 2014 |
| Last updated in NPPES | Feb 4, 2026 |
| Certified by provider | Feb 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 85452 | GA |
| Internal Medicine, Hematology | 207RH0000X | 85452 | GA |
| Internal Medicine | 207R00000X | BP10049485 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 306 |
|---|---|
| Services billed | 72,268 across 129 procedure codes |
| Paid by Medicare | $977,050 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,437 · 1,733 30-day fills |
|---|---|
| Patients | 220 |
| Total drug cost | $4,490,480 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical groups
- The Longstreet Clinic, PCGainesville, GA · 140 clinicians
- Northeast Georgia Community Physicians LLCGainesville, GA · 131 clinicians
Hospital affiliations
- Ngmc Barrow, LLCWinder, GA
- Northeast Georgia Medical Center HabershamDemorest, GA
- Northeast Georgia Medical Center, IncGainesville, GA
Industry payments (Open Payments)
- 2025$2,560 · 113 payments from 38 companies
- 2024$3,487 · 163 payments from 39 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $244.43 | 11 |
| Novartis Pharmaceuticals Corporation | $216.09 | 10 |
| Merck Sharp & Dohme LLC | $197.94 | 7 |
| Astrazeneca Pharmaceuticals LP | $176.50 | 7 |
| Janssen Biotech, Inc. | $168.39 | 8 |
What the 2025 payments were for
- Food and Beverage$2,560 · 113 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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