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

Dr. David Magier, MD

Individual provider Gastroenterology Physician · NPI 1285634196

Dr. David Magier, MD is a Gastroenterology in Great Neck, New York. Graduated from Icahn School of Medicine at Mount Sinai in 1979, 47 years ago. Practices with New York University, a 5,884-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
47
Trained at
Icahn School of Medicine at Mount Sinai
Licensed in
NY
In the registry since
2005
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

488 Great Neck Rd Ste 201
Great Neck, NY 11021-4315
Phone: (516) 482-6747
Fax: (516) 482-4851
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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 142670 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 142670 (NY)

Record details

NPI number1285634196
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 21, 2005
Last updated in NPPESJuly 16, 2026
Certification dateJuly 16, 2026
Mailing address410 Lakeville Rd, Suite 209, Lake Success, NY 11042-1101

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Graduated 1979 (47 years in practice)
Group practice New York University — 5884 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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