Doctor profile · Federal record

Dr. William Tap, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Hematology & Oncology Physician · Internal Medicine Physician · New York, NY

  • NPI 1538193446
  • Accepts Medicare
  • MIPS 84.6 / 100 · 2023
  • 26 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1275 York Ave
New York, NY 100656007
(212) 639-5720
Mailing address
633 3Rd Ave, Box 3
New York, NY 100176706

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 25, 2011
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
New York #260812 · California #A83021
Medicaid
CA #00A830210

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538193446. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
290
Distinct HCPCS
2
Medicare allowed
$39,212
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 147 57 $160
99214 Established patient office or other outpatient visit, 30-39 minutes 143 67 $109

In context: peer comparison

Among 103 peers in this city , average services per provider: 411. This provider delivers 0.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$34,833
Transactions
22
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Deciphera Pharmaceuticals Inc. 15 $13,705.21
Boehringer Ingelheim International GmbH 5 $13,163.13
Aadi Bioscience, Inc. 2 $7,965.00

By nature of payment

Honoraria
$18,480
Consulting Fee
$9,170
Travel and Lodging
$6,659
Food and Beverage
$524

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
151
Patients
15
Total drug cost
$580,106
Drug Type Claims Patients Total cost
Imatinib Mesylate Generic 92 15 $200,138
Dexamethasone Generic 19 0 $143
Gleevec (Imatinib Mesylate) Brand 17 0 $128,423
Sunitinib Malate Generic 12 0 $98,128
Verzenio (Abemaciclib) Brand 11 0 $153,274

Frequently asked questions

Auto-generated from federal data
What is Dr. William Tap's medical specialty?
Dr. William Tap practices Hematology & Oncology Physician in New York, NY.
Where does Dr. William Tap practice?
Dr. William Tap practices at 1275 York Ave, New York, NY 100656007. Office phone: 2126395720.
What is Dr. William Tap's NPI?
Dr. William Tap's National Provider Identifier (NPI) is 1538193446, issued by NPPES.
Does Dr. William Tap accept Medicare assignment?
Yes. Dr. William Tap accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Tap commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.