Matthew John Freeby, M.D.
NPI 1013189646ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· New York, NY
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) with The Regents of the University of California, practicing in New York, New York. Their prescriptions cost Medicare Part D more than their services did: $1,511,285 for 2,924 claims, against $88,234 paid for services in 2024. Novo Nordisk Inc was the largest of 3 companies reporting payments in 2025, $170.14 in all, mostly education. Lists Ronald Reagan UCLA Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1013189646 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 24, 2008 |
| Last updated in NPPES | Dec 11, 2024 |
| Certified by provider | Dec 11, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 236454 | NY |
| Specialist | 174400000X | 236454 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 438 |
|---|---|
| Services billed | 1,777 across 22 procedure codes |
| Paid by Medicare | $88,234 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,924 · 6,231 30-day fills |
|---|---|
| Patients | 283 |
| Total drug cost | $1,511,285 |
| Generic share | 33% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- The Regents of the University of CaliforniaSanta Monica, CA · 1,462 clinicians
Hospital affiliations
- Ronald Reagan UCLA Medical CenterLos Angeles, CA
- Saint John's Health CenterSanta Monica, CA
- Santa Monica - UCLA Med Ctr & Orthopaedic HospitalSanta Monica, CA
Industry payments (Open Payments)
- 2025$170.14 · 5 payments from 3 companies
- 2024$123.62 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $108.79 | 3 |
| Mannkind Corporation | $42.50 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $18.85 | 1 |
What the 2025 payments were for
- Education$125.89 · 4 payments
- Food and Beverage$44.25 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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