Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Dr. Rudolph J Castellani Jr., MD

Individual provider Anatomic Pathology Physician · NPI 1932138815

Dr. Rudolph J Castellani Jr., MD practises Pathology in Chicago, Illinois. Graduated from Wayne State University School of Medicine in 1990, 36 years ago. Practices with Northwestern Medical Faculty Foundation, a 4,394-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Illinois, Maryland and West Virginia.

Years since qualifying
36
Trained at
Wayne State University School of Medicine
Licensed in
IL, MD, WV
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

710 N Fairbanks Ct Ste 2-462
Chicago, IL 60611-3013
Phone: (312) 503-8144
Fax: (312) 503-8249
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 22 S Greene St, Baltimore, MD 21201-1544 — (410) 328-5514
  • 800 Wheeling Ave, Glen Dale, WV 26038-1660 — (304) 845-3211

Specialties & licences

Neuropathology Physician (primary) Taxonomy 207ZN0500X · Licence 036157610 (IL)
Anatomic Pathology Physician Taxonomy 207ZP0101X · Licence 28274 (WV)
Anatomic Pathology Physician Taxonomy 207ZP0101X · Licence D0047847 (MD)

Record details

NPI number1932138815
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 2, 2006
Last updated in NPPESSeptember 27, 2021
Certification dateSeptember 27, 2021

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolWAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Group practice Northwestern Medical Faculty Foundation — 4394 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients247
Services billed 782 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Northwestern Medical Faculty Foundation

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 4394 clinicians in the practice; 12 are shown here.

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