Herman Gahing Leung, DO
NPI 1346770377ActiveIndividual· Family Medicine· Quincy, IL
Family Medicine (DO) with Board of Trustees of Southern Illinois University, practicing in Quincy, Illinois. Their prescriptions cost Medicare Part D more than their services did: $220,654 for 2,994 claims, against $22,230 paid for services in 2024. Lists Blessing Hospital as a hospital affiliation.
Overview
| NPI | 1346770377 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jun 13, 2017 |
| Last updated in NPPES | Sep 2, 2026 |
| Certified by provider | Sep 2, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 125070750 | IL |
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 - Family Practice (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 165 |
|---|---|
| Services billed | 388 across 13 procedure codes |
| Paid by Medicare | $22,230 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,994 · 4,144 30-day fills |
|---|---|
| Patients | 162 |
| Total drug cost | $220,654 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- Board of Trustees of Southern Illinois UniversityQuincy, IL · 137 clinicians
Hospital affiliation
- Blessing HospitalQuincy, IL
Other facilities
- Blessing Home CareHome health agency · Quincy, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 113 family medicine physicians in Quincy · All family medicine physicians in Illinois