MR. RUSSELL M FIORELLA (M.D.) – Clinical Pathology/Laboratory Medicine Physician, NPI 1437125580

MR. RUSSELL M FIORELLA (M.D.) is a healthcare provider. based in Chicago, Illinois. specializing in PATHOLOGY. They hold the professional credentials M.D.. They hold a License No. R4H12 (MO). The NPI Number for MR. RUSSELL M FIORELLA (M.D.) is 1437125580

Main info

Male
44 Years Of Experience
Accepts Medicare Assignment
Name
MR. RUSSELL M FIORELLA (M.D.)
NPI
1437125580
Phone
(773) 542-2000
Address
1501 S CALIFORNIA AVE
Enumeration Date
28 February 2006
Last Update Date
26 May 2016

Doctor Profile

Medical School Name
UNIVERSITY OF MISSOURI, KANSAS CITY, SCHOOL OF MEDICINE
Secondary Phone
7735226656
Graduation Year
1982 (44 years ago)
PAC ID
7517147309
Group Practice PAC ID
5991600405
Professional Enrollment ID
I20151119000675
Address ID
IL606081858CH1401XAVEX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

767 PATHOLOGY in IL

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Provider Addresses for MR. RUSSELL M FIORELLA (M.D.)

  • South California Avenue, Brighton Park, Chicago, Cook County, Illinois, 60629, United States

    CHICAGO, IL 606081732

    Phone: (773) 542-2000

    Type: Location

  • 26460 NETWORK PL

    CHICAGO, IL 606731264

    Phone: (773) 257-2500

    Fax: (773) 257-2076

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $32.

Total Amount is formed as General ($32) + Research ($0) + Ownership ($0) = $32.

Last reported payment date: 2023-08-11 • Largest payer in this snapshot: Beckman Coulter, Inc. ($32).

Total Amount

$32

General + Research + Ownership

Payments

1

Total payment records

General Amount

$32

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-08-11

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
Beckman Coulter, Inc.$32
View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2015-11-19

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20151119000675IPathologyILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
88305Pathology examination of tissue using a microscope, intermediate complexity10747$0
88313Special stained specimen slides to examine tissue including interpretation and report2917$0
88342Special stained specimen slides to examine tissue, initial procedure2719$0
View full utilization report →

Insurance plans in this area (ZIP 60608)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 5991600405View full group profile
NameSpecialtyState
Cardiovascular Disease (Cardiology), Internal MedicineIL
Diagnostic Radiology, Interventional RadiologyIL
Radiation Oncology, Diagnostic RadiologyIL
Hematology/Oncology, Internal MedicineIL
Endocrinology, Internal MedicineIL
Internal MedicineIL
Internal Medicine, Sleep MedicineIL
-IL
P A T H O L O G YIL
General Surgery, Colorectal Surgery (Proctology)IL

Reviews

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Frequently asked questions

What unique ID ties claims to MR. RUSSELL M FIORELLA (M.D.)?
NPI 1437125580 is assigned to MR. RUSSELL M FIORELLA (M.D.) under the national enumeration system.
Is MR. RUSSELL M FIORELLA (M.D.)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What does MR. RUSSELL M FIORELLA (M.D.) treat or focus on?
Patients typically see MR. RUSSELL M FIORELLA (M.D.) under the specialty Clinical Pathology/Laboratory Medicine Physician. Clinical services aligned with this taxonomy classification.
What location metadata exists for MR. RUSSELL M FIORELLA (M.D.)?
The page summarizes Chicago, Illinois for MR. RUSSELL M FIORELLA (M.D.); expand the address list for detail.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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