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

Individual provider Gastroenterology Physician · NPI 1053335810

John J Ackert, MD is a Gastroenterology in New York, New York. Graduated from New York University School of Medicine in 1972, 54 years ago. Practices with Marcus Avenue Medical PC, a 43-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
54
Trained at
New York University School of Medicine
Licensed in
NY
In the registry since
2006
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

232 E 30th St
New York, NY 10016-8202
Phone: (212) 889-7880
Fax: (212) 889-0850
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 116965 (NY)

Record details

NPI number1053335810
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 26, 2006
Last updated in NPPESApril 22, 2021
Certification dateApril 22, 2021

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 1972 (54 years in practice)
Group practice Marcus Avenue Medical Pc — 43 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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