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

Individual provider Internal Medicine Physician · NPI 1548261829

Dr. Andrew Zaretsky, MD practises Internal Medicine in Brooklyn, New York. Qualified in 1982, 44 years ago. Practices with Calvary Hospital Inc, a 50-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
44
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

1379 54th St Ste 1
Brooklyn, NY 11219-4259 Not confirmed with CMS for 16 years — call before visiting
Phone: (718) 436-1600
Fax: (718) 436-2085
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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 217977 (NY)

Record details

NPI number1548261829
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 9, 2005
Last updated in NPPESFebruary 24, 2010

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1982 (44 years in practice)
Group practice Calvary Hospital Inc — 50 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients948
Services billed 5,497 a service is one billed item, such as a visit, a test or a procedure
Average patient age82

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Also affiliated with 1 long-term care hospital, which CMS identifies by certification number only.

Colleagues at Calvary Hospital Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 50 clinicians in the practice; 12 are shown here.

Other providers in Brooklyn