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

Christopher M. Koenig, DO

Individual provider Emergency Medicine Physician · NPI 1104205467

Christopher M. Koenig, DO is an Emergency Medicine in Janesville, Wisconsin. Qualified in 2015, 11 years ago. Practices with Mercy Health System Corporation, a 751-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Michigan and Wisconsin.

Years since qualifying
11
Licensed in
MI, WI
In the registry since
2015
Specialties on file
2
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

1000 Mineral Point Ave
Janesville, WI 53548-2940
Phone: (608) 756-6611
Fax: (608) 756-6177
Show map & directions

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

Additional practice locations (2)

  • 1 Genesys Pkwy, Grand Blanc, MI 48439-8065 — (810) 606-5980
  • N2950 State Road 67, Lake Geneva, WI 53147-2655 — (262) 245-0535

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 71164-21 (WI)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 5101021598 (MI)

Record details

NPI number1104205467
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 20, 2015
Last updated in NPPESMay 2, 2024
Certification dateMay 2, 2024
Mailing address1000 Mineral Point Ave, Janesville, WI 53548-2940

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Mercy Health System Corporation — 751 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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