Karthik Nathan, MD
NPI 1225665235ActiveIndividual· Orthopaedic Surgery· Brooklyn, NY
Orthopaedic Surgery (MD) in Brooklyn, New York, trained at Stanford University School of Medicine (class of 2020). Part D covered 19 prescriptions written in 2024, 95% of them generic. Arthrex, Inc. was the largest of 5 companies reporting payments in 2025, $27,561 in all, mostly grants.
Overview
| NPI | 1225665235 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 27, 2020 |
| Last updated in NPPES | Aug 11, 2026 |
| Certified by provider | Aug 11, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 312772 | NY |
| Orthopaedic Surgery, Sports Medicine | 207XX0005X | 312772 | 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 - Orthopedic Surgery (NY) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 19 · 19 30-day fills |
|---|---|
| Total drug cost | $157.65 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Maimonides Medical Center Orthopaedic FppBrooklyn, NY · 26 clinicians
Industry payments (Open Payments)
- 2025$27,561 · 28 payments from 5 companies
- 2024$290.45 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Arthrex, Inc. | $20,858 | 10 |
| Smith+nephew, Inc. | $5,365 | 3 |
| Suvon Surgical LLC | $1,118 | 13 |
| Zimmer Biomet Holdings, Inc. | $150.00 | 1 |
| Stryker Corporation | $70.34 | 1 |
What the 2025 payments were for
- Grant$25,000 · 2 payments
- Travel and Lodging$1,478 · 11 payments
- Food and Beverage$867.65 · 14 payments
- Education$214.75 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other orthopedic surgeons in Brooklyn
- 1003812199
- 1003825456
- 1023495108
- 1033287628
- 1053320481
- 1053512574
- 1063529287
- 1083068472
- 1114901709
- 1124195292
- 1134223423
- 1215375894
All 119 orthopedic surgeons in Brooklyn · All orthopedic surgeons in New York