Johnny Y. Mei, MD
NPI 1790808095ActiveIndividual· Internal Medicine· Elmira, NY
Internal Medicine (MD) with Cogent Medical Care PC and 2 other groups, practicing in Elmira, New York. In 2024 Medicare paid $7,110 for 57 patients, and Part D covered 65 of their prescriptions, 86% of them generic. Pfizer Inc. was the largest of 4 companies reporting payments in 2025, $193.70 in all, mostly food and beverage. Lists Corning Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1790808095 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 9, 2007 |
| Last updated in NPPES | Aug 21, 2025 |
| Certified by provider | Aug 21, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 252143 | NY |
| Hospitalist | 208M00000X | 048232 | CT |
| Hospitalist | 208M00000X | 252143 | NY |
| Internal Medicine | 207R00000X | MD00047863 | WA |
| Internal Medicine | 207R00000X | 48232 | CT |
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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 57 |
|---|---|
| Services billed | 75 across 7 procedure codes |
| Paid by Medicare | $7,110 |
Part D prescriptions in 2024
| Prescriptions (claims) | 65 · 70 30-day fills |
|---|---|
| Patients | 22 |
| Total drug cost | $4,692 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Cogent Medical Care PCBuffalo, NY · 154 clinicians
- Mobile Physician Services PLLCBuffalo, NY · 110 clinicians
- Physician Mobile Medical Care PCBuffalo, NY · 106 clinicians
Hospital affiliations
- Corning HospitalCorning, NY
- Our Lady of Lourdes Memorial Hospital, IncBinghamton, NY
Other facilities
- Schuyler Hospital Inc and Long Term Care UnitNursing home · Montour Falls, NY
Industry payments (Open Payments)
- 2025$193.70 · 8 payments from 4 companies
- 2024$165.59 · 9 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $111.61 | 5 |
| Astellas Pharma US Inc | $32.90 | 1 |
| Electromed, Inc. | $28.48 | 1 |
| Astrazeneca Pharmaceuticals LP | $20.71 | 1 |
What the 2025 payments were for
- Food and Beverage$193.70 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 39 internal medicine physicians in Elmira · All internal medicine physicians in New York