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

Dr. Ryan Koolen, DC

Individual provider Chiropractor · NPI 1588627657

Dr. Ryan Koolen, DC is a Chiropractor in Portland, Michigan. Licensed in Michigan. Registered with an NPI since 2006.

Licensed in
MI
In the registry since
2006
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

9751 E Grand River Ave
Portland, MI 48875-9774
Phone: (517) 647-5770
Fax: (517) 647-5773
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 2301007736 (MI)

Record details

NPI number1588627657
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorNo
NPI enumeratedApril 10, 2006
Last updated in NPPESSeptember 7, 2012
Mailing address9751 E Grand River Ave, Po Box 367, Portland, MI 48875-9774

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