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

Hasan Bader, MD

Individual provider Gastroenterology Physician · NPI 1275989998

Hasan Bader, MD is a Gastroenterology in Rockford, Illinois. Qualified in 2016, 10 years ago. Practices with Rockford Gastroenterology Associates Ltd, a 27-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
10
Licensed in
WI
In the registry since
2016
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

401 Roxbury Rd
Rockford, IL 61107-5078
Phone: (815) 381-7340
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 68729 (WI)

Record details

NPI number1275989998
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 12, 2016
Last updated in NPPESSeptember 17, 2025
Certification dateSeptember 17, 2025
Mailing address401 Roxbury Rd, Rockford, IL 61107-5075

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Rockford Gastroenterology Associates Ltd — 27 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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