Oak and Sage LLC

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

Legal business name

OAK AND SAGE LLC

Practice address

122 Uptown Dr Unit 204
Bay City, MI 48708-5619

Phone

(989) 318-3356

NPI assigned

Sep 15, 2026

Last updated

Sep 15, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Brooke Barnhill, NP

Title

Authorized Official

Phone

(989) 318-3356

Specialties & licenses 1

Addresses

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

{
    "created_epoch": "1789430400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1789430400000",
    "number": "1548171739",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 444",
            "city": "FREELAND",
            "state": "MI",
            "postal_code": "486230444"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "122 UPTOWN DR UNIT 204",
            "city": "BAY CITY",
            "state": "MI",
            "postal_code": "487085619",
            "telephone_number": "989-318-3356"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "OAK AND SAGE LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-09-15",
        "last_updated": "2026-09-15",
        "certification_date": "2026-09-15",
        "status": "A",
        "authorized_official_last_name": "BARNHILL",
        "authorized_official_first_name": "BROOKE",
        "authorized_official_title_or_position": "AUTHORIZED OFFICIAL",
        "authorized_official_telephone_number": "989-318-3356",
        "authorized_official_credential": "NP"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nancy O'Hare, CNM
• Teagan Ryann O'Hare
• Alexandria Lee O'Hearn, OTRL
• Shane Jacob O'Mara, DPT
• Daniel O'Shea
• Oakland Orthopedic Appliances Inc
• Timothy Obertein, BCBA
• Chelsea Oconnell, DNAP
• Lindsay Anna Oczepek
• Casey Odenigbo, PHARMD

• Psychiatric/Mental Health Nurse Practitioner in Bay City, MI
• Providers in Bay City, MI by specialty
• Psychiatric/Mental Health Nurse Practitioner in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 15, 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.