Gregory D. Northrop, MD
NPI 1962404582ActiveIndividual· Orthopaedic Surgery, Sports Medicine· Pasadena, CA
Orthopaedic Surgery, Sports Medicine (MD) in Pasadena, California, trained at Columbia University College of Physicians and Surgeons (class of 1998). 420 Medicare patients in 2024, $129,263 paid; nearly all of their 811 Part D prescriptions were generic (97%). Zimmer Biomet Holdings, Inc. was the largest of 2 companies reporting payments in 2025, $224.80 in all, mostly food and beverage.
Overview
| NPI | 1962404582 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 12, 2005 |
| Last updated in NPPES | Jul 10, 2024 |
| Certified by provider | Jul 10, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Sports Medicine Primary | 207XX0005X | A69737 | CA |
| Orthopaedic Surgery | 207X00000X | A69737 | CA |
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 - Sports Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 420 |
|---|---|
| Services billed | 13,337 across 59 procedure codes |
| Paid by Medicare | $129,263 |
Part D prescriptions in 2024
| Prescriptions (claims) | 811 · 840 30-day fills |
|---|---|
| Patients | 236 |
| Total drug cost | $17,193 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Sports Medicine |
| Secondary specialties | Orthopedic Surgery |
Medical group
- Cedars-Sinai Medical Care FoundationWest Hollywood, CA · 1,692 clinicians
Hospital affiliations
- Glendale Adventist Medical CenterGlendale, CA
- Huntington HospitalPasadena, CA
Industry payments (Open Payments)
- 2025$224.80 · 4 payments from 2 companies
- 2024$258.26 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zimmer Biomet Holdings, Inc. | $201.04 | 3 |
| Medtronic, Inc. | $23.76 | 1 |
What the 2025 payments were for
- Food and Beverage$224.80 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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