MICHAEL SETH WEINFELD DO
NPI 1902435183
Internal Medicine - Hematology & Oncology in Chicago, IL

Active since April 08, 2020PECOS EnrolledAccepts Medicare Assignment
1740 W TAYLOR ST, CHICAGO, IL 60612(866) 600-2273 Get Directions Write a Review

NPPES record last updated: July 20, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 20, 2026, Apr 8, 2020 (2 updates tracked since 2020).

About Michael Seth Weinfeld Do NPPES

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

MICHAEL SETH WEINFELD DO (NPI 1902435183) is an individual hematology & oncology provider in Chicago, Illinois, licensed in Illinois (036.177864) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS and is a graduate of Des Moines University Of Osteopathic Medicine And Health Sciences (2020).

NPPES Registry Identity

NPI1902435183
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameMICHAEL SETH WEINFELDCredential: DO
Location Address1740 W TAYLOR STChicago, IL 60612-7232
Mailing Address840 S Wood St, 440 Csn, Mc 718Chicago, IL 60612 · (312) 996-7836
Sole ProprietorNo
Medical School CMSDes Moines University Of Osteopathic Medicine And Health SciencesGraduated 2020
Enumeration DateApril 8, 2020
Last NPPES UpdateJuly 20, 20262 updates tracked since enumeration
NPPES CertifiedJuly 20, 2026
✔ NPI 1902435183 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in IL · 036.177864
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
1740 W TAYLOR 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

Michael Seth Weinfeld Do 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 ID1759707870
PECOS Enrollment IDI20260804000507
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

3

Medicare enrollment records show Michael Weinfeld reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
1740 W TAYLOR ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 2,127 clinicians in this Medicare group
Family Medicine
605 S WOLCOTT AVE, SUITE 605
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 1,047 clinicians in this Medicare group
Family Medicine
326 W 64TH ST
Chicago, IL 60621
  • Reassigned Medicare billing, Illinois enrollment
  • 66 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.

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
$183.39 typical visit price
range $60.08 – $183.39
Typical copayment $45.84 (range $15.02 – $45.84)
Most-billed visit code 99205
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.

Occupational Therapist
1740 W TAYLOR ST, C100
CHICAGO, IL 60612
Physician Assistant (Surgical)
1740 W TAYLOR ST, 3F OCC
CHICAGO, IL 60612
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
1740 W TAYLOR ST
CHICAGO, IL 60612
Anesthesiology
1740 W TAYLOR ST
CHICAGO, IL 60612
Pediatrics (Neonatal-Perinatal Medicine)
1740 W TAYLOR ST
CHICAGO, IL 60612
Family Medicine
1740 W TAYLOR ST
CHICAGO, IL 60612
Ophthalmology
1740 W TAYLOR ST
CHICAGO, IL 60612
Emergency Medicine
1740 W TAYLOR 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 Michael Weinfeld's NPI number?

The NPI number for Michael Weinfeld is 1902435183. It was assigned to this individual provider in the NPPES registry on April 8, 2020.

Where is Michael Weinfeld located?

Michael Weinfeld practices at 1740 W Taylor St, Chicago, IL 60612. The listed phone number is (866) 600-2273.

What is Michael Weinfeld's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Michael Weinfeld enrolled in Medicare?

Yes. Michael Weinfeld 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 Michael Weinfeld's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Weinfeld reassigns Medicare benefits to 3 organizations: Board Of Trustees Of The University Of Illinois (Chicago, IL), Cook County (Chicago, IL) and Foundation For Outreach Services (Chicago, 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 Michael Weinfeld's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Michael Weinfeld was last updated on July 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.