Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Michael Gerdis, MD

Individual provider Internal Medicine Physician · NPI 1871567925

Michael Gerdis, MD practises Gastroenterology in Yonkers, New York. Graduated from New York University School of Medicine in 1989, 37 years ago. Practices with Mount Sinai School of Medicine of New York University, a 30-clinician group, works from 6 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
37
Trained at
New York University School of Medicine
Licensed in
NY
In the registry since
2006
Specialties on file
2
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

2422 Central Park Ave
Yonkers, NY 10710
Phone: (914) 779-2995
Fax: (914) 779-3266
Show map & directions

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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (5)

  • 141 S Central Park Ave, Hartsdale, NY 10530 — (914) 948-3627
  • 280 North Central Park Avenue, Hartsdale, NY 10530 — (914) 666-7900
  • 116 Fifth Ave, Pelham, NY 10803-1504 — (914) 813-3135
  • 1010 N Broadway, Yonkers, NY 10701-1330 — (914) 968-3535
  • 750 Kimball Ave, Yonkers, NY 10704-1531 — (914) 237-6763

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 185309 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 185309 (NY)

Record details

NPI number1871567925
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 15, 2006
Last updated in NPPESSeptember 25, 2019

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice Mount Sinai School Of Medicine Of New York University — 30 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Colonoscopy 42 times · 60th percentile
Upper gastrointestinal (GI) endoscopy for acid reflux 16 times · 47th percentile

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

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 patients397
Services billed 1,023 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

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.

  • Tender Loving Care, An Amedisys Company Home health agency · Carle Place, NY

Colleagues at Mount Sinai School of Medicine of New York University

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 30 clinicians in the practice; 12 are shown here.

Other providers in Yonkers