Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

William D Tap, MD

Individual provider Hematology & Oncology Physician · NPI 1538193446

William D Tap, MD is a Hematology/Oncology in New York, New York. Graduated from Jefferson Medical College of Thomas Jefferson University in 2000, 26 years ago. Practices with Memorial Solid Tumor Group, a 236-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California and New York.

Years since qualifying
26
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
CA, NY
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1275 York Ave
New York, NY 10065-6007
Phone: (212) 639-5720
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 260812 (NY)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence A83021 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A83021 (CA)

Record details

NPI number1538193446
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 10, 2006
Last updated in NPPESMay 25, 2011

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 2000 (26 years in practice)
Group practice Memorial Solid Tumor Group — 236 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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