Obasi Nursing Services, Inc

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

Legal business name

OBASI NURSING SERVICES, INC

Practice address

521 Brookside Forest CT
O Fallon, MO 63366-5089

Phone

(314) 427-2033

NPI assigned

May 12, 2026

Organization subpart

No

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

Authorized official

Name

Nmaju Azu Obasi, PMHNP-BCNPI 1649003815

Title

President

Phone

(314) 327-2033

Specialties & licenses 1

Addresses

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Nmaju Azu Obasi

  • Psychiatric/Mental Health Nurse Practitioner
  • O'Fallon, MO
  • NPI 1649003815
  NPD Authorized official

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

{
    "created_epoch": "1778544000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1778544000000",
    "number": "1326976903",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1120 TECHNOLOGY DR STE 113B",
            "city": "O FALLON",
            "state": "MO",
            "postal_code": "633682201"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "521 BROOKSIDE FOREST CT",
            "city": "O FALLON",
            "state": "MO",
            "postal_code": "633665089",
            "telephone_number": "314-427-2033"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "OBASI NURSING SERVICES, INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-05-12",
        "last_updated": "2026-05-12",
        "certification_date": "2026-05-12",
        "status": "A",
        "authorized_official_last_name": "OBASI",
        "authorized_official_first_name": "NMAJU",
        "authorized_official_middle_name": "AZU",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "314-327-2033",
        "authorized_official_credential": "PMHNP-BC"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• O'Fallon Pain Center
• O'Fallon Pain Relief Associates LLC
• O'Fallon Pharmacy, LLC (Cardinal Pharmacy)
• O'Fallon Physician Services, LLC
• O'Fallon Therapy Services, LLC
• Nmaju Azu Obasi
• Jeffery Robert Oberle Sr., LPC
• Margaret Erin Obrien, CF-SLP
• Regis Ketter Ocampos Goad
• Cheryl Ann Oconnell

• Psychiatric/Mental Health Nurse Practitioner in O'Fallon, MO
• Providers in O'Fallon, MO by specialty
• Psychiatric/Mental Health Nurse Practitioner in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 12, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.