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

Dr. Joshua James Feiner, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1750560421

Dr. Joshua James Feiner, MD is an Endocrinology in Bethpage, New York. Graduated from State University of New York at Stony Brook, School of Medicine in 2000, 26 years ago. Practices with Optum Medical Care PC, a 1,018-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
26
Trained at
State University of New York at Stony Brook, School of Medicine
Licensed in
NY
In the registry since
2007
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

4045 Hempstead Tpke Third Fl
Bethpage, NY 11714-5611
Phone: (516) 731-7770
Fax: (516) 514-1463
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 231437 (NY)

Record details

NPI number1750560421
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 30, 2007
Last updated in NPPESJuly 3, 2013
Mailing address4045 Hempstead Tpke, Third Floor, Bethpage, NY 11714-5611

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Medical schoolSTATE UNIVERSITY OF NEW YORK AT STONY BROOK, SCHOOL OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Optum Medical Care Pc — 1018 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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