NORTH SHORE MEDICAL GROUP OF THE MOUNT SINAI SCHOOL OF MEDICINE
NPI 1275640609
Internal Medicine in Greenlawn, NY

Q: What is North Shore Medical Group Of The Mount Sinai School Of Medicine's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since August 23, 2006CLIA 33D2160731 · Waiver

5 CUBA HILL RD, GREENLAWN, NY 11740(631) 628-5000(631) 351-8247 Get Directions Write a Review

NPPES record last updated: May 14, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: May 14, 2026, May 25, 2022, Jun 25, 2020 (3 updates tracked since 2020).

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About North Shore Medical Group Of The Mount Sinai School Of Medicine NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NORTH SHORE MEDICAL GROUP OF THE MOUNT SINAI SCHOOL OF MEDICINE (NPI 1275640609), doing business as Mount Sinai Doctors Long Island, is a healthcare organization registered as an internal medicine in Greenlawn, New York and active in the NPI registry since August 2006. The organization holds a CLIA Waiver certificate valid through March 26, 2027, maintains 18 additional practice locations, and lists Janet Street, Vp Operations, as its authorized official.

NPPES Registry Identity

NPI1275640609

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameNORTH SHORE MEDICAL GROUP OF THE MOUNT SINAI SCHOOL OF MEDICINE

Location Address5 CUBA HILL RDGreenlawn, NY 11740-1624

Mailing Address5 Cuba Hill RdGreenlawn, NY 11740-1624 · (631) 628-5000 · Fax (631) 351-8247

Phone(631) 628-5000

Fax(631) 351-8247

Organization SubpartNo

Authorized OfficialJanet StreetVp Operations · (646) 354-3680

Enumeration DateAugust 23, 2006

Last NPPES UpdateMay 14, 20263 updates tracked since enumeration

NPPES CertifiedMay 14, 2026

✔ NPI 1275640609 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 15

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedAllergy & ImmunologyTaxonomy 207K00000X

Also ListedFamily MedicineTaxonomy 207Q00000X

Also ListedFamily Medicine · Adolescent MedicineTaxonomy 207QA0000X

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X

Also ListedInternal Medicine · GastroenterologyTaxonomy 207RG0100X

Also ListedInternal Medicine · Geriatric MedicineTaxonomy 207RG0300X

Also ListedInternal Medicine · NephrologyTaxonomy 207RN0300X

Also ListedOphthalmologyTaxonomy 207W00000X

Also ListedOrthopaedic SurgeryTaxonomy 207X00000X

Also ListedOtolaryngology · Facial Plastic SurgeryTaxonomy 207YS0123X

Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X

Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X

Also ListedSurgery · Vascular SurgeryTaxonomy 2086S0129X

Also ListedClinical Medical LaboratoryTaxonomy 291U00000X

5 CUBA HILL RD, Greenlawn, NY 11740

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Other Names 2

Doing Business AsMount Sinai Doctors Long Island

Doing Business AsNorth Shore Medical Group

Secondary Practice Locations 18

Location 12510 30th AveLong Island City, NY 11102-2448 · Phone (718) 932-1000

Location 22020 Wantagh AveWantagh, NY 11793-3931 · Phone (516) 961-4545

Location 31086 N BroadwayYonkers, NY 10701-1112 · Phone (914) 968-3535

Location 41 Healthy WayOceanside, NY 11572-1551 · Phone (516) 632-3000

Location 51 Gustave L Levy PlNew York, NY 10029-6504 · Phone (212) 241-6500

Location 61441 South AveStaten Island, NY 10314-3779 · Phone (332) 243-6900

Location 71977 Flatbush AveBrooklyn, NY 11234-2811 · Phone (718) 758-7070

Location 83131 Kings Hwy Ste 3-03Brooklyn, NY 11234-2644 · Phone (718) 758-7022

Location 91100 Franklin Ave Ste 203Garden City, NY 11530-1601 · Phone (516) 248-2422

Location 102520 30th AveAstoria, NY 11102-2448 · Phone (718) 808-7777

Location 113722 82nd StJackson Heights, NY 11372-7040 · Phone (718) 879-1600

Location 123712 82nd StJackson Heights, NY 11372-7032 · Phone (718) 879-1600

Location 133014 Crescent StAstoria, NY 11102-3249 · Phone (718) 808-7777

Location 14341 Central Park AveScarsdale, NY 10583-1301 · Phone (914) 370-5000

Location 151436 BroadwayHewlett, NY 11557-1405 · Phone (516) 563-7200

Location 16510 Broadhollow RdMelville, NY 11747-3671 · Phone (516) 248-2422

Location 179901 Queens BlvdRego Park, NY 11374-4512 · Phone (718) 520-6100

Location 181155 Northern BlvdManhasset, NY 11030-3040 · Phone (516) 407-4000

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 33D2160731

North Shore Medical Group · Manhasset, NY

Active · expires Mar 26, 2027

CLIA Number33D2160731

Laboratory TypePhysician Office

Certificate Effective DateJanuary 17, 2019

Certificate Expiration DateMarch 26, 2027

Laboratory DirectorDr. Stephen Tranchina

Laboratory Phone(516) 407-4000

Laboratory LocationNorth Shore Medical Group1155 Northern Blvd, Manhasset, NY 11030

CLIA data matches this NPI record on: Address Name Phone

This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. SEMYON GURGOV M.D.

Urology