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

Individual provider Cardiovascular Disease Physician · NPI 1003892969

William J Berger, MD is a Cardiovascular Disease (Cardiology) in Manhasset, New York. Graduated from New York Medical College in 1979, 47 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in New York.

Years since qualifying
47
Trained at
New York Medical College
Licensed in
NY
In the registry since
2005
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

1201 Northern Blvd Ste 201
Manhasset, NY 11030-3001
Phone: (516) 488-4428
Fax: (516) 328-2723
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 147427 (NY)

Record details

NPI number1003892969
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 21, 2005
Last updated in NPPESDecember 18, 2017
Mailing address2001 Marcus Ave, Suite S250, New Hyde Park, NY 11042-1011

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1979 (47 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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