Oluwatoyin Olivia Unterreiner

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

31442 Issued in SC

Practice address

171 Ashley Ave
Charleston, SC 29425-0100

Phone

(843) 792-1414

NPI assigned

Jan 21, 2020

Last updated

Apr 13, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other names 1

• Toyin Unterreiner Other name

Medicare fee-for-service enrollment

Enrolled in SC

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, 2025

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

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.

• University Medical Associates of the Medical University of South Carol

  dba MUSC Physicians

  • Multi-Specialty Clinic/Center
  • Charleston, SC
  • NPI 1043241110
  Medicare reassignment

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

{
    "created_epoch": "1579564800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776038400000",
    "number": "1700416534",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 POSTON RD STE 110",
            "city": "CHARLESTON",
            "state": "SC",
            "postal_code": "294073457",
            "telephone_number": "843-876-1347"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "171 ASHLEY AVE",
            "city": "CHARLESTON",
            "state": "SC",
            "postal_code": "294250100",
            "telephone_number": "843-792-1414"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "UNTERREINER",
        "first_name": "OLUWATOYIN",
        "middle_name": "OLIVIA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-01-21",
        "last_updated": "2026-04-13",
        "certification_date": "2026-04-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "SC",
            "license": "31442",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "TOYIN",
            "last_name": "UNTERREINER",
            "credential": "NP",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• University Medical Associates of the Medical University of South Carol (MUSC Physicians)
• University Medical Associates of the Medical University of South Carol (MUSC Physicians)
• University Medical Associates of the Medical University of South Carol (MUSC Physicians)
• University Medical Associates of the Medical University of South Carol (MUSC PHysicians)
• University of Florida
• Rosalee Lynn Unwin, FNP-C
• Phyllis Victoria Upchurch
• Uplift Physical Therapy
• Sophia Stephanie Urban, MD
• William Robert Urich, CRNA

• Family Nurse Practitioner in Charleston, SC
• Providers in Charleston, SC by specialty
• Family Nurse Practitioner in South Carolina

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 13, 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.