Individual provider Active NPI

Nina A Konstantinova, MD

  • Internal Medicine Physician
  • New York, NY
National Provider Identifier
1053538181
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
241147 Issued in NY
Practice address
423 W 55TH St
New York, NY 10019-4460
Phone
(212) 994-4583
NPI assigned
Apr 19, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Sleep Medicine (Psychiatry & Neurology) Physician 2084S0012X 241147 NY
Internal Medicine Physician 207R00000X 241147 NY Primary

Addresses

Primary practice location

423 W 55TH St
New York, NY 10019-4460

Mailing address

6136 84TH PL
Middle VLG, NY 11379-1413
Phone (718) 396-2176

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT, NY2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20070920000035 CT Practitioner - Internal Medicine 8820181274 Reassigns benefits to 1 organization
I20080924000227 NY Practitioner - HospitalistPractitioner - Internal Medicine 8820181274 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hospitalist
Education
Other, 1997
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Southwest Suffolk Medical PCGroup PAC ID 0244396349, 204 clinicians
Pulmonary Care, PCGroup PAC ID 5799758512, 7 clinicians

Practice addresses (Care Compare)

1000 Montauk Hwy
West Islip, NY 11795-4927
Phone (631) 376-3000

2447 Whitney Ave
Suite 202
Hamden, CT 06518-3211
Phone (203) 772-2499

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
88.16 of 100Reported as group
Quality
83.03
Promoting interoperability
100
Improvement activities
40
Cost
77.5

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
241147NYMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Hamden Sleep Disorders Center LLC CurrentSince Oct 1, 2007 Accepting new patients
Southwest Suffolk Medical PC CurrentSince Jan 1, 2016 Accepting new patients
Pulmonary Care, PC CurrentSince Sep 1, 2007 Accepting new patients
Southwest Suffolk Medical, P.C. CurrentSince Jan 1, 2016 Accepting new patients
Hamden Sleep Disorders Center,LLC CurrentSince Jul 14, 2010 Accepting new patients
Good Samaritan Hospital Medical Center Past Accepting new patients
Complete Wound Care LLC PastSince Oct 1, 2025 Accepting new patients
Hamden Sleep Disorders Center LLC Past Accepting new patients

Locations

14 Business Park Dr
Branford, CT 06405
Phone (203) 481-4233

2447 Whitney Ave
Ste 202
Hamden, CT 06518
Phone (203) 288-8300

174 Cherry St
Milford, CT 06460
Phone (203) 301-4349

136 Sherman Ave
Ste 504
New Haven, CT 06511
Phone (203) 684-2111

83 East Ave
Ste 300
Norwalk, CT 06851
Phone (203) 772-2499

245 Old Country Rd
Melville, NY 11747
Phone (631) 465-6141

48 Route 25A
Smithtown, NY 11787
Phone (631) 862-3540

1000 Montauk Hwy
West Islip, NY 11795
Phone (516) 705-2689

Networks

  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H3359
  • Healthfirst Medicare Network H1722

Interoperability endpoints

  • Direct secure messaging: nkonstantinova45058@direct.ynhh.org

Organizations & group practices 8

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 1

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": "1176940800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1053538181",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6136 84TH PL",
            "city": "MIDDLE VLG",
            "state": "NY",
            "postal_code": "113791413",
            "telephone_number": "718-396-2176"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "423 W 55TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100194460",
            "telephone_number": "212-994-4583"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KONSTANTINOVA",
        "first_name": "NINA",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-04-19",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084S0012X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Sleep Medicine",
            "state": "NY",
            "license": "241147",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "241147",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.