DR. RUDOLPH J CASTELLANI JR. M.D.
NPI 1932138815
Pathology - Neuropathology in Chicago, IL
About Dr. Rudolph J Castellani Jr. M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RUDOLPH J CASTELLANI JR. M.D. (NPI 1932138815) is an individual neuropathology provider in Chicago, Illinois, licensed in Illinois (036157610) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Lake Forest Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Rudolph J Castellani Jr. M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Rudolph Castellani reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 clinicians in this Medicare group
Elkins, WV 26241
- Reassigned Medicare billing, West Virginia enrollment
- 246 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Lake Forest Hospital
Acute Care Hospitals · Lake Forest, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILNorthwestern Memorial Hospital
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Rudolph Castellani's NPI number?
The NPI number for Rudolph Castellani is 1932138815. It was assigned to this individual provider in the NPPES registry on July 2, 2006.
Where is Rudolph Castellani located?
Rudolph Castellani practices at 710 N Fairbanks Ct Ste 2-462, Chicago, IL 60611. The listed phone number is (312) 503-8144.
What is Rudolph Castellani's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Neuropathology, with taxonomy code 207ZN0500X.
Is Rudolph Castellani enrolled in Medicare?
Yes. Rudolph Castellani is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Rudolph Castellani's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rudolph Castellani reassigns Medicare benefits to 2 organizations: Northwestern Medical Faculty Foundation (Carol Stream, IL) and Davis Memorial Hospital (Elkins, WV). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Rudolph Castellani's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Rudolph Castellani affiliated with any hospitals?
According to CMS data, Rudolph Castellani is affiliated with Northwestern Lake Forest Hospital, Northwestern Medicine Central Dupage Hospital and Northwestern Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Rudolph Castellani was last updated on September 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.