Gertrude Osei, NP

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

406684 Issued in NY

Practice address

1500 Astor Ave FL 2
Bronx, NY 10469-5900

Phone

(203) 571-5146

Fax

(929) 640-1386

NPI assigned

Mar 7, 2025

Last updated

Jul 18, 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

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

Specialty

Nurse Practitioner

Education

Other, 2024

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Networks

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

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.

• Bronx Medical Practice P.C.

  • Internal Medicine Physician
  • Bronx, NY
  • NPI 1356726087

  Single Specialty

  Medicare reassignment NPD
• Essen Medical Associates, PC

  • Legal Medicine
  • Bronx, NY
  • NPI 1366418709

  Single Specialty

  Medicare reassignment NPD
• Essen Medical Urgicare, PLLC

  dba Metro Urgicare

  • Urgent Care Clinic/Center
  • Bronx, NY
  • NPI 1841607298

  Single Specialty

  Medicare reassignment NPD
• House Call Medical Services of New York, PLLC

  • Internal Medicine Physician
  • Bronx, NY
  • NPI 1851345946

  Single Specialty

  Medicare reassignment NPD
• Shakespeare Operating LLC

  dba Bronx Treatment Center

  • Multi-Specialty Clinic/Center
  • Bronx, NY
  • NPI 1720634538

  Single Specialty

  Medicare reassignment NPD
• Nurturenest Behavioral Health LLC

  • Psychiatric/Mental Health Nurse Practitioner
  • Bronx, NY
  • NPI 1508786369
  Authorized official Same address or phone
• Essen Medical Associates, PC

  • Podiatrist
  • Bronx, NY
  • NPI 1720799158
  NPD

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

{
    "created_epoch": "1741305600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784332800000",
    "number": "1689472201",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1500 ASTOR AVE FL 2",
            "city": "BRONX",
            "state": "NY",
            "postal_code": "104695900",
            "telephone_number": "203-572-5146",
            "fax_number": "929-640-1386"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 ASTOR AVE FL 2",
            "city": "BRONX",
            "state": "NY",
            "postal_code": "104695900",
            "telephone_number": "203-571-5146",
            "fax_number": "929-640-1386"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "735 Post Rd E Ste 2",
            "address_purpose": "LOCATION",
            "city": "Westport",
            "state": "CT",
            "postal_code": "068805240",
            "country_code": "US",
            "telephone_number": "203-571-5146",
            "fax_number": "929-640-1386",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OSEI",
        "first_name": "GERTRUDE",
        "credential": "NP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-03-07",
        "last_updated": "2026-07-18",
        "certification_date": "2026-07-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "NY",
            "license": "406684",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Agneitha Osei-Bonsu
• Henrietta Osei-Owusu, FNP-BC, MSN
• Endurance Osei-Poku, RN
• Alexander Osei
• Comfort Osei
• Kofi Osei
• Kwakye Eunice Osei
• Lydia Osei
• Marsha B. Osei
• Michael Osei

• Psychiatric/Mental Health Nurse Practitioner in Bronx, NY
• Providers in Bronx, NY by specialty
• Psychiatric/Mental Health Nurse Practitioner in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 18, 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.