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

William Fonfeder

Individual provider Legal Medicine · NPI 1568534964

William Fonfeder is an Internal Medicine in Brooklyn, New York. Qualified in 1981, 45 years ago. Practices with Ahava Medical and Rehabilitation Center, LLC, a 150-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
45
Licensed in
NY
In the registry since
2006
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Practice location Address checks out

1472 53rd St
Brooklyn, NY 11219-3948
Phone: (718) 438-2309
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Legal Medicine (primary) Taxonomy 173000000X · Licence 188439 (NY)

Record details

NPI number1568534964
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedNovember 14, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Group practice Ahava Medical And Rehabilitation Center, Llc — 150 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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