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

Individual provider Gastroenterology Physician · NPI 1699751446

Kevin J Peifer, MD is a Gastroenterology in Rockford, Illinois. Graduated from Medical College of Ohio in 1999, 27 years ago. Practices with Rockford Gastroenterology Associates Ltd, a 27-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
27
Trained at
Medical College of Ohio
Licensed in
IL
In the registry since
2005
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 61107-5075
Phone: (815) 397-7340
Fax: (815) 397-2156
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 36114937 (IL)

Record details

NPI number1699751446
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 22, 2005
Last updated in NPPESSeptember 6, 2007

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolMEDICAL COLLEGE OF OHIO
Graduated 1999 (27 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

Other providers in Rockford