John Paul Bilezikian, M.D.
NPI 1275600975ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· New York, NY
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in New York, New York, trained at Columbia University College of Physicians and Surgeons (class of 1969). Their prescriptions cost Medicare Part D more than their services did: $254,219 for 291 claims, against $42,865 paid for services in 2024. Amgen Inc. was the largest of 5 companies reporting payments in 2025, $146,677 in all, mostly speaking and faculty fees.
Overview
| NPI | 1275600975 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 29, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 106134 | 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 (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 224 |
|---|---|
| Services billed | 287 across 9 procedure codes |
| Paid by Medicare | $42,865 |
Part D prescriptions in 2024
| Prescriptions (claims) | 291 · 805 30-day fills |
|---|---|
| Patients | 79 |
| Total drug cost | $254,219 |
| Generic share | 59% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 1969 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Trustees of Columbia University in the City of New YorkNew York, NY · 2,296 clinicians
Hospital affiliation
- New York-Presbyterian HospitalNew York, NY
Industry payments (Open Payments)
- 2025$146,677 · 139 payments from 5 companies
- 2024$83,288 · 113 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $97,917 | 106 |
| Ascendis Pharma Endocrinology Inc | $22,659 | 16 |
| Radius Health, Inc. | $16,864 | 14 |
| Takeda Pharmaceuticals U.S.A., Inc. | $9,220 | 2 |
| Abbvie Inc. | $17.40 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$101,376 · 61 payments
- Travel and Lodging$17,874 · 30 payments
- Honoraria$12,000 · 6 payments
- Consulting Fee$11,920 · 4 payments
- Food and Beverage$3,508 · 38 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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