Molly Katherine Holshouser, NP

Primary specialty

Primary Care Nurse PractitionerTaxonomy code 363LP2300X

License

308157 Issued in NY

Practice address

1543 Inwood Ave
Bronx, NY 10452-2001

Phone

(855) 681-8700

NPI assigned

Sep 8, 2017

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Networks

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

Interoperability endpoints

• Direct secure messaging: molly.holshouser.1@24989.direct.athenahealth.com
• Direct secure messaging: gsq9003@direct.nyp.org
• FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/
• FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/

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

• NYU Langone Hospitals

  • Internal Medicine Physician
  • New York, NY
  • NPI 1790975944
  Medicare reassignment NPD
• NYU Langone Hospitals

  • Psychiatric Hospital Unit
  • Patchogue, NY
  • NPI 1508687021
  NPD
• NYU Langone Hospitals

  • Multi-Specialty Clinic/Center
  • Brooklyn, NY
  • NPI 1831549559
  NPD
• The New York and Presbyterian Hospital

  • General Acute Care Hospital
  • New York, NY
  • NPI 1952332801
  NPD (past)

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

{
    "created_epoch": "1504828800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773187200000",
    "number": "1366960403",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "53 W 23RD ST FL 6",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100104237",
            "telephone_number": "212-746-7200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1543 INWOOD AVE",
            "city": "BRONX",
            "state": "NY",
            "postal_code": "104522001",
            "telephone_number": "855-681-8700"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "525 E 68th St",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100654870",
            "country_code": "US",
            "telephone_number": "332-268-7131",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "53 W 23rd St Fl 6",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100104237",
            "country_code": "US",
            "telephone_number": "212-746-7200",
            "fax_number": "212-746-7166",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HOLSHOUSER",
        "first_name": "MOLLY",
        "middle_name": "KATHERINE",
        "name_prefix": "Ms.",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-09-08",
        "last_updated": "2026-03-11",
        "certification_date": "2026-03-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP2300X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Primary Care",
            "state": "NY",
            "license": "308157",
            "primary": true
        },
        {
            "code": "163WP2201X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Ambulatory Care",
            "state": "NY",
            "license": "684259",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Andrea M Holness, MSED
• Jacqueline Natalia Holness
• Wendy Jeanette Holness, LMSW
• Anya Holowitz, PSYD
• Kelly Anne Holroyd
• Holsman Physical Therapy of Ny PC
• Adina Lauren Holt, R.N.
• Cristina Holtz, LPN
• Nicole Stewart Holtzman-Hayes, MD
• Elena M Holtzman, DDS

• Primary Care Nurse Practitioner in Bronx, NY
• Providers in Bronx, NY by specialty
• Primary Care Nurse Practitioner in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 11, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.