John L. Vaughn, M.D.
NPI 1649690884ActiveIndividual· Internal Medicine, Hematology & Oncology· Hawthorne, NY
Internal Medicine, Hematology & Oncology (M.D.) with New York University and 1 other group, practicing in Hawthorne, New York. Their prescriptions cost Medicare Part D more than their services did: $475,269 for 365 claims, against $84,561 paid for services in 2024. Abbvie Inc. was the largest of 9 companies reporting payments in 2025, $20,599 in all, mostly speaking and faculty fees. Lists NYU Langone Hospitals and 1 other hospital as hospital affiliations.
Overview
| NPI | 1649690884 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 25, 2014 |
| Last updated in NPPES | Apr 6, 2026 |
| Certified by provider | Apr 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 292450 | 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 - Hematology/Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 343 |
|---|---|
| Services billed | 957 across 19 procedure codes |
| Paid by Medicare | $84,561 |
Part D prescriptions in 2024
| Prescriptions (claims) | 365 · 422 30-day fills |
|---|---|
| Patients | 59 |
| Total drug cost | $475,269 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical groups
- New York UniversityNew York, NY · 6,134 clinicians
- Westchester Medical Center Advanced Physician Services PCValhalla, NY · 897 clinicians
Hospital affiliations
- NYU Langone HospitalsNew York, NY
- Westchester Medical CenterValhalla, NY
Industry payments (Open Payments)
- 2025$20,599 · 25 payments from 9 companies
- 2024$557.04 · 8 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $10,643 | 8 |
| Acrotech Biopharma Inc. | $3,633 | 6 |
| Astrazeneca Pharmaceuticals LP | $2,050 | 1 |
| Incyte Corporation | $1,925 | 1 |
| Genmab U.S., Inc. | $1,231 | 3 |
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$11,400 · 5 payments
- Consulting Fee$8,393 · 9 payments
- Food and Beverage$759.56 · 9 payments
- Travel and Lodging$46.00 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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