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

Dr. Ronald Koehler, DO

Individual provider Family Medicine Physician · NPI 1104857978

Dr. Ronald Koehler, DO is a Family Medicine Physician in Bay City, Michigan. Licensed in Michigan. Registered with an NPI since 2006.

Licensed in
MI
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

4175 N Euclid Ave Ste 3
Bay City, MI 48706-2483
Phone: (989) 667-0491
Fax: (989) 667-0493
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence RK07099 (MI)

Record details

NPI number1104857978
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 6, 2006
Last updated in NPPESJanuary 24, 2011
Mailing address1003 Woodside Ave, Essexville, MI 48732-1234

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