Individual provider Active NPI

Tina Constantin, M.D.

  • Endocrinology, Diabetes & Metabolism Physician
  • Great Neck, NY
National Provider Identifier
1083903561
Registry record updated Jul 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X
License
75433 Issued in GA
Practice address
488 Great Neck Rd FL 3
Great Neck, NY 11021-4315
Phone
(516) 482-6747
Fax
(516) 482-4851
NPI assigned
Apr 5, 2011
Last updated
Jul 16, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 16, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Endocrinology, Diabetes & Metabolism Physician 207RE0101X 75433 GA Primary

Addresses

Primary practice location

488 Great Neck Rd FL 3
Great Neck, NY 11021-4315

Mailing address

111 Broadway FL 2
New York, NY 10006-1995
Phone (212) 263-9700

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address tconstantin283091@nyumc.direct-ci.com

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20181226002234 NY Practitioner - Endocrinology 9931491644 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Endocrinology
Education
Other, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
New York UniversityGroup PAC ID 1355232422, 5,925 clinicians

Practice addresses (Care Compare)

111 Broadway
FL 2
New York, NY 10006-1995
Phone (212) 263-9701

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
90.8 of 100Reported as group
Quality
91.79
Promoting interoperability
100
Improvement activities
40
Cost
75.18

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
75433GAMDEndocrinology, Diabetes & Metabolism Physician

Practice roles

OrganizationSpecialtyStatusNew patients
New York University CurrentSince Feb 1, 2019 Accepting new patients
New York University CurrentSince Feb 1, 2019 Accepting new patients
New York University Past Accepting new patients
Nyumc Radiology Associates Past Accepting new patients

Locations

700 Hicksville Rd
Ste 205
Bethpage, NY 11714
Phone (646) 501-3325

488 Great Neck Rd
Fl 3
Great Neck, NY 11021
Phone (516) 466-5222

488 Great Neck Rd
Ste 201
Great Neck, NY 11021
Phone (516) 482-6747

13303 Jamaica Ave
Richmond Hill, NY 11418
Phone (718) 206-6942

111 Broadway
Fl 2
Trinity, NY 10006
Phone (212) 263-9700

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 7

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1301961600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784160000000",
    "number": "1083903561",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "111 BROADWAY FL 2",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100061995",
            "telephone_number": "212-263-9700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "488 GREAT NECK RD FL 3",
            "city": "GREAT NECK",
            "state": "NY",
            "postal_code": "110214315",
            "telephone_number": "516-482-6747",
            "fax_number": "516-482-4851"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CONSTANTIN",
        "first_name": "TINA",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2011-04-05",
        "last_updated": "2026-07-16",
        "certification_date": "2026-07-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "GA",
            "license": "75433",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "tconstantin283091@nyumc.direct-ci.com",
            "affiliation": "N",
            "address_1": "111 Broadway Fl 2",
            "city": "New York",
            "state": "NY",
            "country_code": "US",
            "postal_code": "100061995",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Great Neck, NY

Sources for this page

Verify at the official NPI Registry.