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

Doug Derdowski, LMSW LLC

Organization Clinical Social Worker · NPI 1962121913

Doug Derdowski, LMSW LLC is a Clinical Social Worker in Okemos, Michigan. Registered with an NPI since 2022.

In the registry since
2022
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

4660 Marsh Rd
Okemos, MI 48864-2143
Phone: (517) 525-3405
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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 number1962121913
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Doug Derdowski — Social Worker · (517) 525-3405
Other names Doug Derdowski, Lmsw Llc
NPI enumeratedAugust 23, 2022
Last updated in NPPESAugust 23, 2022
Certification dateAugust 23, 2022
Mailing address4660 Marsh Rd, Okemos, MI 48864-2143

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