Individual provider · Type 1 NPI

Kelsey Arver Thelen, FNP, PMHNP

Psychiatric/Mental Health Nurse Practitioner · Lansing, MI

NPI number 1447899745 Active

Practice location

4136 Legacy Pkwy
Lansing, MI 48911-4265

Fax (517) 882-3633

Mailing address

877 Cedar Trl
Fowler, MI 48835-9140

Specialties and licenses

TaxonomyCodeLicense
Psychiatric/Mental Health Nurse Practitioner Primary 363LP0808X4704303773 (MI)
Family Nurse Practitioner 363LF0000X4704303773 (MI)

Psychiatric/Mental Health Nurse Practitioner: Definition to come...

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About NPI 1447899745

Kelsey Arver Thelen, FNP, PMHNP's National Provider Identifier is 1447899745, issued on Jan 3, 2020. The primary taxonomy on file is Psychiatric/Mental Health Nurse Practitioner (363LP0808X), and the practice location is in Lansing, MI. The record was last updated on Nov 10, 2025.