ELLIOT WEISENBERG M.D.
NPI 1770575136
Pathology - Anatomic Pathology & Clinical Pathology in Chicago, IL

Active since August 22, 2005PECOS EnrolledAccepts Medicare Assignment
840 S WOOD ST, CHICAGO, IL 60612(312) 996-7312 Get Directions Write a Review

NPPES record last updated: October 1, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 1, 2024, Dec 9, 2021 (2 updates tracked since 2021).

About Elliot Weisenberg M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ELLIOT WEISENBERG M.D. (NPI 1770575136) is an individual anatomic pathology & clinical pathology provider in Chicago, Illinois, licensed in Illinois (036084232) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with University Of Illinois Hospital And Clinics, and is a graduate of R Franklin University Of Med & Sci/chicago Medical School (1989).

NPPES Registry Identity

NPI1770575136
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameELLIOT WEISENBERGCredential: M.D.
Location Address840 S WOOD STChicago, IL 60612-4325
Mailing Address840 S Wood StChicago, IL 60612-4325 · (312) 996-7312
Sole ProprietorNo
Medical School CMSR Franklin University Of Med & Sci/chicago Medical SchoolGraduated 1989
Enumeration DateAugust 22, 2005
Last NPPES UpdateOctober 1, 20242 updates tracked since enumeration
NPPES CertifiedOctober 1, 2024
✔ NPI 1770575136 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in IL · 036084232
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
840 S WOOD ST, Chicago, IL 60612

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

Elliot Weisenberg 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 ID5698804854
PECOS Enrollment IDI20100526000448
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 Elliot Weisenberg reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatrics
840 S WOOD ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 2,127 clinicians in this Medicare group
Anatomic Pathology & Clinical Pathology
1775 DEMPSTER ST
Park Ridge, IL 60068
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Midwest Diagnostic Pathology, S.C.
  • 54 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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Illinois Hospital And Clinics

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipGovernment - State
CMS Certification Number140150
Location1740 West Taylor St Suite 1400Chicago, IL 60612 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60612 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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pharmacist (Ambulatory Care)
840 S WOOD ST
CHICAGO, IL 60612
Surgery
840 S WOOD ST, SUITE 417 CSB
CHICAGO, IL 60612
Pharmacist (Pharmacotherapy)
840 S WOOD ST, SUITE 163, CSB
CHICAGO, IL 60612
Pharmacist (Pharmacotherapy)
840 S WOOD ST, SUITE 163 CLINICAL SCIENCES BUILDING
CHICAGO, IL 60612
Internal Medicine (Hematology & Oncology)
840 S WOOD ST, MC-713
CHICAGO, IL 60612
Internal Medicine (Gastroenterology)
840 S WOOD ST
CHICAGO, IL 60612
Student in an Organized Health Care Education/Training Program
840 S WOOD ST, MC 856
CHICAGO, IL 60612
Pathology (Anatomic Pathology)
840 S WOOD ST
CHICAGO, IL 60612

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 Elliot Weisenberg's NPI number?

The NPI number for Elliot Weisenberg is 1770575136. It was assigned to this individual provider in the NPPES registry on August 22, 2005.

Where is Elliot Weisenberg located?

Elliot Weisenberg practices at 840 S Wood St, Chicago, IL 60612. The listed phone number is (312) 996-7312.

What is Elliot Weisenberg's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Elliot Weisenberg enrolled in Medicare?

Yes. Elliot Weisenberg 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 Elliot Weisenberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elliot Weisenberg reassigns Medicare benefits to 2 organizations: The Board Of Trustees Of The University Of Illinois (Chicago, IL) and Midwest Diagnostic Pathology Sc (Park Ridge, IL). 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 Elliot Weisenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Elliot Weisenberg affiliated with any hospitals?

According to CMS data, Elliot Weisenberg is affiliated with University Of Illinois Hospital And Clinics.

When was this NPI record last updated?

The NPPES record for Elliot Weisenberg was last updated on October 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.