IndividualActive
Ronald Koehler, DO
NPI 1104857978 · Family Medicine Physician · Bay City, MI
Ronald Koehler, DO is a Family Medicine Physician provider in Bay City, MI (NPI 1104857978).
Provider details
- NPI number
- 1104857978
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- RK07099 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
4175 N Euclid Ave
Suite 3
Bay City, MI 48706-2483
Phone: (989) 667-0491
Fax: (989) 667-0493
Street-level locationGet directions
Mailing address
1003 Woodside Ave
Essexville, MI 48732-1234
Registry dates
- Enumerated
- 2006-07-06
- Last updated
- 2011-01-24
Frequently asked questions
- What is Ronald Koehler's NPI number?
- Ronald Koehler's National Provider Identifier (NPI) is 1104857978, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Koehler's specialty?
- Ronald Koehler is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Koehler located?
- Ronald Koehler's practice location on file with NPPES is 4175 N Euclid Ave, Bay City, MI 48706-2483.
- What is Ronald Koehler's phone number?
- The practice phone number listed in the NPPES registry for Ronald Koehler is (989) 667-0491.
- Is Ronald Koehler's NPI active?
- Yes — Ronald Koehler's NPI (1104857978) is active in the NPPES registry as of the last update on 2011-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.