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

Stephen Mark Henesch, DO

Individual provider Diagnostic Radiology Physician · NPI 1851335863

Stephen Mark Henesch, DO is a Diagnostic Radiology in West Islip, New York. Qualified in 2000, 26 years ago. Practices with Icahn School of Medicine at Mount Sinai, an 18-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
26
Licensed in
NY
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1000 Montauk Hwy
West Islip, NY 11795-4927
Phone: (631) 376-4027
Fax: (631) 376-4046
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 238991 (NY)

Record details

NPI number1851335863
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 16, 2006
Last updated in NPPESJuly 29, 2011
Mailing addressPo Box 5918, New York, NY 10087-5918

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Also practisesPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice Icahn School Of Medicine At Mount Sinai — 18 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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