Thomas John Kremen Jr., M.D.
NPI 1366601833ActiveIndividual· Orthopaedic Surgery, Sports Medicine· Los Angeles, CA
Orthopaedic Surgery, Sports Medicine (M.D.) in Los Angeles, California, trained at Un of California, Irvine, College of Medicine (class of 2006). Mostly services rather than prescriptions: Medicare paid $32,373 for 54 patients in 2024, with only 30 Part D claims. Medical Device Business Services, Inc. was the largest of 3 companies reporting payments in 2025, $4,479 in all, mostly consulting fees.
Overview
| NPI | 1366601833 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 9, 2008 |
| Last updated in NPPES | Oct 18, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Sports Medicine Primary | 207XX0005X | A101807 | CA |
| Orthopaedic Surgery | 207X00000X | A101807 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 54 |
|---|---|
| Services billed | 294 across 24 procedure codes |
| Paid by Medicare | $32,373 |
Part D prescriptions in 2024
| Prescriptions (claims) | 30 · 31 30-day fills |
|---|---|
| Patients | 16 |
| Total drug cost | $117.73 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Un of California, Irvine, College of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Orthopedic Surgery |
| Secondary specialties | Sports Medicine |
| Telehealth | Offers telehealth |
Medical group
- Regents of the University of CaliforniaSanta Monica, CA · 70 clinicians
Hospital affiliations
- Ronald Reagan UCLA Medical CenterLos Angeles, CA
- Santa Monica - UCLA Med Ctr & Orthopaedic HospitalSanta Monica, CA
Industry payments (Open Payments)
- 2025$4,479 · 7 payments from 3 companies
- 2024$17,138 · 11 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medical Device Business Services, Inc. | $4,289 | 4 |
| Saxum Surgical, Inc. | $173.26 | 2 |
| Vericel Corporation | $16.57 | 1 |
What the 2025 payments were for
- Consulting Fee$4,235 · 1 payment
- Food and Beverage$243.85 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 50 sports medicine orthopedic surgeons in Los Angeles · All sports medicine orthopedic surgeons in California