Anne Valerie Nienstedt, M.D.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

254725 Issued in NY

Practice address

67 Karen CT
Wading River, NY 11792-1962

Phone

(631) 953-7719

NPI assigned

Nov 18, 2009

Last updated

Aug 25, 2026By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other names 1

• Anne Nienstedt Other name

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

Specialty

Family Practice

Education

Other, 2006

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Hospital & facility affiliations

• Tender Loving Care, an Amedisys Company Home health agency, Medford, NY, CCN 337260
• Hospice Care of Long Island, Queens, South Shore Hospice, Woodbury, NY, CCN 331532
• The Hamptons Center for Rehabilitation and Nursing Nursing home, South Hampton, NY, CCN 335850

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• State of New York Comptrollers Office

  dba Helen Hayes Hospital

  • Rehabilitation Hospital Unit
  • West Haverstraw, NY
  • NPI 1235142472
  Medicare reassignment NPD
• State of New York Comptrollers Office

  dba Long Island State Veterans Home

  • Skilled Nursing Facility
  • Stony Brook, NY
  • NPI 1184621724
  NPD
• State of New York Comptrollers Office

  • Developmental Disabilities Clinic/Center
  • Staten Island, NY
  • NPI 1750469912
  NPD
• North Sea Associates LLC

  dba The Hamptons Center for Rehabilitation and Nursing

  • Skilled Nursing Facility
  • Southampton, NY
  • NPI 1538119011
  NPD (past)

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

• Hospice Care Network

  • Community Based Hospice Care Agency
  • Woodbury, NY
  • NPI 1013972751
  Care Compare affiliation
• North Sea Associates LLC

  dba The Hamptons Center for Rehabilitation and Nursing

  • Skilled Nursing Facility
  • Southampton, NY
  • NPI 1538119011

  Nursing home

  Care Compare affiliation
• Tender Loving Care Health Care Services of Nassau Suffolk, LLC

  dba Tender Loving Care, an Amedisys Company

  • Home Health Agency
  • Medford, NY
  • NPI 1699715961
  Care Compare affiliation

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

{
    "created_epoch": "1258502400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787616000000",
    "number": "1225365950",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "67 KAREN CT",
            "city": "WADING RIVER",
            "state": "NY",
            "postal_code": "117921962"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "67 KAREN CT",
            "city": "WADING RIVER",
            "state": "NY",
            "postal_code": "117921962",
            "telephone_number": "631-953-7719"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NIENSTEDT",
        "first_name": "ANNE",
        "middle_name": "VALERIE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2009-11-18",
        "last_updated": "2026-08-25",
        "certification_date": "2026-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NY",
            "license": "254725",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ANNE",
            "last_name": "NIENSTEDT",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

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• North Shore Hematology Oncology Associates PC
• Sabrina Nugdalla, DNP

• Family Medicine Physician in Wading River, NY
• Providers in Wading River, NY by specialty
• Family Medicine Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 25, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.