DR. RUDOLPH J CASTELLANI JR. M.D.
NPI 1932138815
Pathology - Neuropathology in Chicago, IL

Active since July 02, 2006PECOS EnrolledAccepts Medicare Assignment
710 N FAIRBANKS CT STE 2-462, CHICAGO, IL 60611(312) 503-8144(312) 503-8249 Get Directions Write a Review

NPPES record last updated: September 27, 2021. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Sep 27, 2021, Jan 9, 2021, Oct 19, 2020 and 1 more (4 updates tracked since 2020).

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

NPI1932138815
Entity TypeIndividualMale
Primary Taxonomy207ZN0500X
Provider Legal NameDR. RUDOLPH J CASTELLANI JR.Credential: M.D.
Location Address710 N FAIRBANKS CT STE 2-462Chicago, IL 60611-3013
Mailing Address710 N Fairbanks Ct Ste 2-462Chicago, IL 60611-3013 · (312) 503-8144 · Fax (312) 503-8249
Fax(312) 503-8249
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 1990
Enumeration DateJuly 2, 2006
Last NPPES UpdateSeptember 27, 20214 updates tracked since enumeration
NPPES CertifiedSeptember 27, 2021
✔ NPI 1932138815 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPathology · NeuropathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZN0500X
License✔ Licensed in IL · 036157610
Definition
A neuropathologist is expert in the diagnosis of diseases of the nervous system and skeletal muscles and functions as a consultant primarily to neurologists and neurosurgeons. The neuropathologist is knowledgeable in the infirmities of humans as they affect the nervous and neuromuscular systems, be they degenerative, infectious, metabolic, immunologic, neoplastic, vascular or physical in nature.
Also ListedPathology · Anatomic PathologyTaxonomy 207ZP0101X · License 28274 (WV), D0047847 (MD)
710 N FAIRBANKS CT STE 2-462, Chicago, IL 60611

Secondary Practice Locations 2

Location 122 S Greene St, NBW73Baltimore, MD 21201-1544 · Phone (410) 328-5514 · Fax (410) 328-0929
Location 2800 Wheeling AveGlen Dale, WV 26038-1660 · Phone (304) 845-3211

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.

PECOS PAC ID5193613818
PECOS Enrollment IDI20210826001895
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare 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.

Multi-Specialty
DEPT 5777
Carol Stream, IL 60122
  • Reassigned Medicare billing, Illinois enrollment
  • 4,817 clinicians in this Medicare group
General Acute Care Hospital
812 GORMAN AVE
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.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
436 services209 patients
Special stained specimen slides to examine tissue, each additional procedure 88341
Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.
109 services25 patients
Special stained specimen slides to examine tissue, initial procedure 88342
This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.
54 services43 patients
Pathology cytologic examination of specimen during surgery, each additional site 88334
A Pathology Cytologic Examination is a test performed during surgery to examine cells from an additional site in your body. This helps identify any abnormal or diseased cells. It's an important tool in diagnosing and managing various conditions.
50 services23 patients
Pathology examination of tissue using a microscope, moderately high complexity 88307
A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.
48 services23 patients
Microscopic genetic analysis of tumor, manual 88360
Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.
27 services24 patients

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, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140130
Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County
Emergency services Birthing friendly

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140242
Location25 North Winfield RoadWinfield, IL 60190 · Du Page County
Emergency services Birthing friendly

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140281
Location251 E Huron StChicago, IL 60611 · Cook County
Emergency services Birthing friendly

Physician 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.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.