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

Abel R Castellano, MD

Individual provider Diagnostic Radiology Physician · NPI 1508838145

Abel R Castellano, MD is a Diagnostic Radiology in Rockford, Illinois. Graduated from University of Iowa, Rj & L Carver College of Medicine in 1992, 34 years ago. Practices with Osf Multi-Specialty Group, a 2,128-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois and Wisconsin.

Years since qualifying
34
Trained at
University of Iowa, Rj & L Carver College of Medicine
Licensed in
IL, WI
In the registry since
2006
Specialties on file
2
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

5666 E State St
Rockford, IL 61108-2425
Phone: (815) 226-2000
Show map & directions

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

Additional practice locations (1)

  • 481 E Division St, Fond Du Lac, WI 54935-3748 — (920) 921-5676

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 036117233 (IL)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 37750 (WI)

Record details

NPI number1508838145
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 7, 2006
Last updated in NPPESJuly 13, 2026
Certification dateMay 26, 2026

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolUNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated 1992 (34 years in practice)
Group practice Osf Multi-Specialty Group — 2128 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

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