William D. Tap, MD
NPI 1538193446ActiveIndividual· Internal Medicine, Hematology & Oncology· New York, NY
Internal Medicine, Hematology & Oncology (MD) in New York, New York, trained at Jefferson Medical College of Thomas Jefferson University (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $1,287,186 for 252 claims, against $32,884 paid for services in 2024. Daiichi Sankyo Inc. was the largest of 9 companies reporting payments in 2025, $38,425 in all, mostly consulting fees.
Overview
| NPI | 1538193446 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 10, 2006 |
| Last updated in NPPES | May 25, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 260812 | NY |
| Internal Medicine, Hematology & Oncology | 207RH0003X | A83021 | CA |
| Internal Medicine | 207R00000X | A83021 | 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 - Hematology/Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 108 |
|---|---|
| Services billed | 312 across 12 procedure codes |
| Paid by Medicare | $32,884 |
Part D prescriptions in 2024
| Prescriptions (claims) | 252 · 280 30-day fills |
|---|---|
| Patients | 48 |
| Total drug cost | $1,287,186 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | Jefferson Medical College of Thomas Jefferson University |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Memorial Solid Tumor GroupNew York, NY · 234 clinicians
Industry payments (Open Payments)
- 2025$38,425 · 31 payments from 9 companies
- 2024$34,833 · 22 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Daiichi Sankyo Inc. | $10,846 | 9 |
| Emd Serono Research & Development Institute, Inc. | $6,373 | 2 |
| Recordati_rare_diseases_inc. | $6,344 | 6 |
| Ipsen Bioscience Inc. | $5,460 | 1 |
| Emd Serono, Inc. | $5,212 | 6 |
What the 2025 payments were for
- Consulting Fee$34,786 · 8 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$1,488 · 1 payment
- Food and Beverage$1,244 · 16 payments
- Travel and Lodging$695.86 · 3 payments
- Gift$211.79 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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