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

Dr. Mirza Omer Mahmood Baig, MD

Individual provider Infectious Disease Physician · NPI 1285720490

Dr. Mirza Omer Mahmood Baig, MD is a Hospitalist in Janesville, Wisconsin. Qualified in 1997, 29 years ago. Practices with Mercy Health System Corporation, a 751-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Iowa, Illinois and Wisconsin.

Years since qualifying
29
Licensed in
IA, IL, WI
In the registry since
2006
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 53548-2982
Phone: (608) 756-6868
Fax: (608) 756-6289
Show map & directions

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

Additional practice locations (2)

  • 3801 Marquette St, Davenport, IA 52806-5538 — (563) 386-7860
  • 8201 E Riverside Blvd, Rockford, IL 61114-2300 — (815) 971-7000

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 61590 (WI)
Infectious Disease Physician Taxonomy 207RI0200X · Licence 036110972 (IL)
Infectious Disease Physician Taxonomy 207RI0200X · Licence 36686 (IA)

Record details

NPI number1285720490
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 5, 2006
Last updated in NPPESFebruary 10, 2025
Certification dateFebruary 10, 2025

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINFECTIOUS DISEASE, INTERNAL MEDICINE
Medical schoolOTHER
Graduated 1997 (29 years in practice)
Group practice Mercy Health System Corporation — 751 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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