North Shore Medical Group of the Mount Sinai School of Medicine
NPI 1275640609 · Internal Medicine Physician · Greenlawn, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
North Shore Medical Group of the Mount Sinai School of Medicine is a Internal Medicine Physician organization in Greenlawn, NY (NPI 1275640609).
Provider details
- NPI number
- 1275640609
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Janet Street, Vp Operations(646) 354-3680
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Cardiovascular Disease Physician207RC0000X
Allopathic & Osteopathic Physicians
- Orthopaedic Surgery Physician207X00000X
Allopathic & Osteopathic Physicians
- Nephrology Physician207RN0300X
Allopathic & Osteopathic Physicians
- Clinical Medical Laboratory291U00000X
Laboratories
Allopathic & Osteopathic Physicians
- Family Medicine Physician207Q00000X
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
19 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Mount Sinai Doctors Long Island
- Doing business as
- North Shore Medical Group
- Doing business as
- North Shore Medical Group
Additional practice locations (18)
- 2520 30th AveAstoria, NY 11102-2448Phone: (718) 808-7777
- 3014 Crescent StAstoria, NY 11102-3249Phone: (718) 808-7777
- 3131 Kings Hwy Ste 3-03Brooklyn, NY 11234-2644Phone: (718) 758-7022
- 1977 Flatbush AveBrooklyn, NY 11234-2811Phone: (718) 758-7070
- 1100 Franklin Ave Ste 203Garden City, NY 11530-1601Phone: (516) 248-2422
- 1436 BroadwayHewlett, NY 11557-1405Phone: (516) 563-7200
- 3722 82nd StJackson Heights, NY 11372-7040Phone: (718) 879-1600
- 3712 82nd StJackson Heights, NY 11372-7032Phone: (718) 879-1600
- 2510 30th AveLong Island City, NY 11102-2448Phone: (718) 932-1000
Registry dates
- Enumerated
- 2006-08-23
- Last updated
- 2026-05-14
- Certified
- 2026-05-14
Frequently asked questions
- What is North Shore Medical Group of the Mount Sinai School of Medicine's NPI number?
- North Shore Medical Group of the Mount Sinai School of Medicine's National Provider Identifier (NPI) is 1275640609, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is North Shore Medical Group of the Mount Sinai School of Medicine?
- North Shore Medical Group of the Mount Sinai School of Medicine is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is North Shore Medical Group of the Mount Sinai School of Medicine located?
- North Shore Medical Group of the Mount Sinai School of Medicine's practice location on file with NPPES is 5 Cuba Hill Rd, Greenlawn, NY 11740-1624.
- What is North Shore Medical Group of the Mount Sinai School of Medicine's phone number?
- The practice phone number listed in the NPPES registry for North Shore Medical Group of the Mount Sinai School of Medicine is (631) 628-5000.
- Does North Shore Medical Group of the Mount Sinai School of Medicine accept Medicare?
- North Shore Medical Group of the Mount Sinai School of Medicine is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for North Shore Medical Group of the Mount Sinai School of Medicine?
- The authorized official listed on North Shore Medical Group of the Mount Sinai School of Medicine's NPPES record is Janet Street, Vp Operations. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is North Shore Medical Group of the Mount Sinai School of Medicine's NPI active?
- Yes — North Shore Medical Group of the Mount Sinai School of Medicine's NPI (1275640609) is active in the NPPES registry as of the last update on 2026-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.