Gary Scott Karlin, MD
NPI 1457334575ActiveIndividual· Urology· Lawrenceville, NJ
Urology (MD) with Summit Medical Group PA, practicing in Lawrenceville, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $1,572,707 for 3,096 claims, against $309,422 paid for services in 2024. Calyxo, Inc. was the largest of 5 companies reporting payments in 2025, $105.93 in all, mostly food and beverage. Lists Capital Health Medical Center - Hopewell and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1457334575 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 22, 2005 |
| Last updated in NPPES | Mar 7, 2022 |
| Certified by provider | Mar 7, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 25MA05468300 | NJ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Urology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 664 |
|---|---|
| Services billed | 40,067 across 97 procedure codes |
| Paid by Medicare | $309,422 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,096 · 6,722 30-day fills |
|---|---|
| Patients | 745 |
| Total drug cost | $1,572,707 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical group
- Summit Medical Group PABerkeley Heights, NJ · 1,212 clinicians
Hospital affiliations
- Capital Health Medical Center - HopewellPennington, NJ
- Capital Health Regional Medical CenterTrenton, NJ
- Robert Wood Johnson University Hospital at HamiltonHamilton, NJ
- University Medical Center of Princeton at PlainsboroPlainsboro, NJ
Industry payments (Open Payments)
- 2025$105.93 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calyxo, Inc. | $30.26 | 1 |
| Ferring Pharmaceuticals Inc. | $24.78 | 1 |
| Sumitomo Pharma America, Inc. | $18.94 | 1 |
| Novartis Pharmaceuticals Corporation | $17.65 | 1 |
| Teleflex LLC | $14.30 | 1 |
What the 2025 payments were for
- Food and Beverage$105.93 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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