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

James J. Simmons, MD

Individual provider Anesthesiology Physician · NPI 1235494295

James J. Simmons, MD is an Anesthesiology in Janesville, Wisconsin. Graduated from Rush Medical College of Rush University in 2012, 14 years ago. Practices with Mercy Health System Corporation, a 751-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Illinois and Wisconsin.

Years since qualifying
14
Trained at
Rush Medical College of Rush University
Licensed in
IL, WI
In the registry since
2012
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1000 Mineral Point Ave
Janesville, WI 53548
Phone: (608) 756-6731
Fax: (608) 756-6013
Show map & directions

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

Additional practice locations (3)

  • 611 W. Park St., Urbana, IL 61801-2500 — (217) 383-6941
  • 611 W. Park St., Urbana, IL 61801-2500 — (217) 383-6941
  • 1506 S Oneida St, Appleton, WI 54915-1305 — (920) 738-2000

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 65154-20 (WI)
Anesthesiology Physician Taxonomy 207L00000X · Licence 036138041 (IL)
Anesthesiology Physician Taxonomy 207L00000X · Licence 125061829 (IL)

Record details

NPI number1235494295
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 5, 2012
Last updated in NPPESAugust 27, 2018
Mailing address1000 Mineral Point Ave, Janesville, WI 53548-2940

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolRUSH MEDICAL COLLEGE OF RUSH UNIVERSITY
Graduated 2012 (14 years in practice)
Group practice Mercy Health System Corporation — 751 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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