Mount Sinai North Shore Medical Group
NPI 1659677037 · Internal Medicine Physician · Nesconset, NY
Mount Sinai North Shore Medical Group is a Internal Medicine Physician organization in Nesconset, NY (NPI 1659677037).
Provider details
- NPI number
- 1659677037
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Janet Street, Practice Administrator(631) 351-3703
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Gastroenterology Physician207RG0100X
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
- North Shore Medical Group
Registry dates
- Enumerated
- 2011-02-02
- Last updated
- 2011-02-02
Frequently asked questions
- What is Mount Sinai North Shore Medical Group's NPI number?
- Mount Sinai North Shore Medical Group's National Provider Identifier (NPI) is 1659677037, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mount Sinai North Shore Medical Group?
- Mount Sinai North Shore Medical Group is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mount Sinai North Shore Medical Group located?
- Mount Sinai North Shore Medical Group's practice location on file with NPPES is 59 Southern Blvd, Nesconset, NY 11767-1090.
- What is Mount Sinai North Shore Medical Group's phone number?
- The practice phone number listed in the NPPES registry for Mount Sinai North Shore Medical Group is (631) 659-1700.
- Who is the authorized official for Mount Sinai North Shore Medical Group?
- The authorized official listed on Mount Sinai North Shore Medical Group's NPPES record is Janet Street, Practice Administrator. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mount Sinai North Shore Medical Group's NPI active?
- Yes — Mount Sinai North Shore Medical Group's NPI (1659677037) is active in the NPPES registry as of the last update on 2011-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.