Chai Sylvester, DNP, PMHNP-BC

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

NUR-APRN-LIC-292521 Issued in MT

Practice address

3090 Parkhill Dr
Billings, MT 59102-6531

Phone

(307) 399-8584

NPI assigned

Aug 22, 2026

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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1787356800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787356800000",
    "number": "1033025663",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3090 PARKHILL DR",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591026531"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3090 PARKHILL DR",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591026531",
            "telephone_number": "307-399-8584"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SYLVESTER",
        "first_name": "CHAI",
        "name_prefix": "Dr.",
        "credential": "DNP, PMHNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-08-22",
        "last_updated": "2026-08-22",
        "certification_date": "2026-08-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "MT",
            "license": "NUR-APRN-LIC-292521",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Oliver Thomas Swensen, DDS
• Shayla Camille Swenson, DC
• Douglas E Swift, MD
• Brooke Nicole Switzer, PHARMD
• David William Switzer Jr., M.D.
• Tara L Sylvester, LCPC
• Laura A Szabo, MD
• T J Miller, MD, PC
• T.J. Miller, MD, PC
• April Taber, PT

• Psychiatric/Mental Health Nurse Practitioner in Billings, MT
• Providers in Billings, MT by specialty
• Psychiatric/Mental Health Nurse Practitioner in Montana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 22, 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.