Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Melissa Ontko, LLC

Organization Clinical Social Worker · NPI 1801756325

Melissa Ontko, LLC is a Clinical Social Worker in Ann Arbor, Michigan. Registered with an NPI since 2025.

In the registry since
2025
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

2890 Carpenter Rd Ste 1500
Ann Arbor, MI 48108-1196
Phone: (734) 463-4511
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X

Record details

NPI number1801756325
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Melissa Ontko — Clinical Social Worker/Therapist · (734) 463-4511
NPI enumeratedNovember 17, 2025
Last updated in NPPESNovember 17, 2025
Certification dateNovember 17, 2025
Mailing address2890 Carpenter Rd Ste 1500, Ann Arbor, MI 48108-1196

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