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

Individual provider Internal Medicine Physician · NPI 1487950762

Dr. Gennadiy Grutman, MD practises Internal Medicine in Brooklyn, New York. Qualified in 2009, 17 years ago. Practices with Kings Physician Services PC, a 645-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
17
Licensed in
NY
In the registry since
2011
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

506 6th St
Brooklyn, NY 11215-3609
Phone: (718) 780-5286
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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 266521 (NY)

Record details

NPI number1487950762
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 2, 2011
Last updated in NPPESMarch 28, 2023
Certification dateMarch 28, 2023

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Kings Physician Services Pc — 645 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 patients494
Services billed 1,518 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

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.

  • New York-Presbyterian Hospital Hospital · New York, NY · listed as New York Presbyterian Hospital
  • Cassena Care At Home Home health agency · Brooklyn, NY

Colleagues at Kings Physician Services PC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 645 clinicians in the practice; 12 are shown here.

Other providers in Brooklyn