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

Dr. Frederick J Pfalzgraf, MD

Individual provider Rheumatology Physician · NPI 1659385581

Dr. Frederick J Pfalzgraf, MD is a Rheumatology in Herrin, Illinois. Graduated from University of Wisconsin School of Medicine in 1991, 35 years ago. Practices with Mercy Hospital Perry, a 116-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
35
Trained at
University of Wisconsin School of Medicine
Licensed in
IL
In the registry since
2006
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

408 Lincoln Dr Ste A
Herrin, IL 62948-3790
Phone: (618) 993-1408
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 207 S Burns Ave, Sparta, IL 62286-1867 — (618) 443-3084

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 036102694 (IL)

Record details

NPI number1659385581
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 28, 2006
Last updated in NPPESJune 24, 2020
Certification dateJune 24, 2020

Medicare enrollment

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

Medicare specialtyRHEUMATOLOGY
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 1991 (35 years in practice)
Group practice Mercy Hospital Perry — 116 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations18 on file with Medicare

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