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

Individual provider Internal Medicine Physician · NPI 1639276447

David R. Pfaff, MD is an Internal Medicine in Staten Island, New York. Graduated from State University of New York Downstate Medical Center in 1984, 42 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
42
Trained at
State University of New York Downstate Medical Center
Licensed in
NY
In the registry since
2006
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

420 Lyndale Ave
Staten Island, NY 10312-6131
Phone: (718) 667-6776
Fax: (718) 667-5461
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 162899 (NY)

Record details

NPI number1639276447
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 20, 2006
Last updated in NPPESDecember 10, 2019
Certification dateDecember 10, 2019

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolSTATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER
Graduated 1984 (42 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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