Weidun Alan Guo, MD
NPI 1598779720ActiveIndividual· Surgery, Trauma Surgery· Buffalo, NY
Surgery, Trauma Surgery (MD) with Erie County Medical Center Corporation and 1 other group, practicing in Buffalo, New York. Mostly services rather than prescriptions: Medicare paid $60,462 for 243 patients in 2024, with only 48 Part D claims. Integra Lifesciences Corporation was the largest of 3 companies reporting payments in 2025, $107.34 in all, mostly food and beverage. Lists Erie County Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1598779720 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 27, 2006 |
| Last updated in NPPES | Mar 26, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Trauma Surgery Primary | 2086S0127X | 240872 | NY |
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 - General Surgery (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 243 |
|---|---|
| Services billed | 694 across 43 procedure codes |
| Paid by Medicare | $60,462 |
Part D prescriptions in 2024
| Prescriptions (claims) | 48 · 48 30-day fills |
|---|---|
| Patients | 41 |
| Total drug cost | $17,763 |
| Generic share | 56% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | General Surgery |
Medical groups
- Erie County Medical Center CorporationBuffalo, NY · 319 clinicians
- University at Buffalo Surgeons IncWilliamsville, NY · 40 clinicians
Hospital affiliations
- Erie County Medical CenterBuffalo, NY
- Kaleida HealthBuffalo, NY
Industry payments (Open Payments)
- 2025$107.34 · 4 payments from 3 companies
- 2024$34.21 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Integra Lifesciences Corporation | $45.04 | 1 |
| Smith+nephew, Inc. | $44.46 | 2 |
| Lifenet Health | $17.84 | 1 |
What the 2025 payments were for
- Food and Beverage$107.34 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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