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

Dr. Steven Mark Peyser, MD

Individual provider Diagnostic Radiology Physician · NPI 1689641045

Dr. Steven Mark Peyser, MD is a Diagnostic Radiology in Massapequa, New York. Graduated from State University of New York Downstate Medical Center in 1985, 41 years ago. Practices with Lenox Hill Radiology and Medical Imaging Associates PC, a 243-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
41
Trained at
State University of New York Downstate Medical Center
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

4160 Merrick Rd
Massapequa, NY 11758
Phone: (516) 797-6700
Fax: (516) 797-8463
Show map & directions

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

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 1687431 (NY)

Record details

NPI number1689641045
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 3, 2006
Last updated in NPPESMarch 7, 2023
Mailing address4160 Merrick Road, Massapequa, NY 11758

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolSTATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER
Graduated 1985 (41 years in practice)
Group practice Lenox Hill Radiology And Medical Imaging Associates Pc — 243 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations66 on file with Medicare

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