Gary Christopher Guerrino, M.D.
NPI 1811981194ActiveIndividual· Internal Medicine· Mount Vernon, NY
Internal Medicine (M.D.) with Lawrence Medical Associates PC, practicing in Mount Vernon, New York. Their prescriptions cost Medicare Part D more than their services did: $683,368 for 6,785 claims, against $52,484 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. reported $125.00 in payments in 2025, mostly food and beverage. Lists New York-Presbyterian Hospital as a hospital affiliation.
Overview
| NPI | 1811981194 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 1, 2005 |
| Last updated in NPPES | Dec 16, 2022 |
| Certified by provider | Dec 16, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 181694-1 | 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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 200 |
|---|---|
| Services billed | 760 across 34 procedure codes |
| Paid by Medicare | $52,484 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,785 · 14,113 30-day fills |
|---|---|
| Patients | 597 |
| Total drug cost | $683,368 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Lawrence Medical Associates PCBronxville, NY · 224 clinicians
Hospital affiliation
- New York-Presbyterian HospitalNew York, NY
Industry payments (Open Payments)
- 2025$125.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $125.00 | 1 |
What the 2025 payments were for
- Food and Beverage$125.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Mount Vernon
- 1043579527
- 1154589026
- 1285601914
- 1306246335
- 1376557652
- 1376776054
- 1396719027
- 1578891503
- 1629454699
- 1639153752
- 1730363623
- 1760494538
All 48 internal medicine physicians in Mount Vernon · All internal medicine physicians in New York