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MR. MICHAEL GENE FEINZIMER MD
NPI 1457455065
Hospitalist in Chicago, IL

Active since September 12, 2006PECOS Enrolled
5145 N CALIFORNIA AVE, CHICAGO, IL 60625(773) 878-8200 Get Directions Write a Review

NPPES record last updated: October 23, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mr. Michael Gene Feinzimer Md NPPES

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

MR. MICHAEL GENE FEINZIMER MD (NPI 1457455065) is an individual hospitalist provider in Chicago, Illinois, licensed in Illinois (036043389) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457455065
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameMR. MICHAEL GENE FEINZIMERCredential: MD
Location Address5145 N CALIFORNIA AVEChicago, IL 60625-3661
Mailing Address2740 W Foster Ave, Ll7Chicago, IL 60625 · (773) 878-8200 · Fax (773) 293-4197
Phone(773) 878-8200
Sole ProprietorNo
Enumeration DateSeptember 12, 2006
Last NPPES UpdateOctober 23, 2017
✔ NPI 1457455065 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in IL · 036043389
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License 036043389 (IL)
5145 N CALIFORNIA AVE, Chicago, IL 60625
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Other Identifiers 3

Medicare UPINC42456
Medicaid036043389IL
OtherF400160546Ptan

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Michael Gene Feinzimer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Michael Feinzimer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Swedish Covenant Management Services, Inc.
Same address
Obstetrics & Gynecology
5140 N CALIFORNIA AVE
Chicago, IL 60625
  • Reassigned Medicare billing, Illinois enrollment
  • 350 clinicians in this Medicare group
NPI 1760432348 (847) 570-2040
Erie Family Health Center Inc
0.1 mi
Federally Qualified Health Center (FQHC)
5215 N CALIFORNIA AVE STE F700
Chicago, IL 60625
  • Reassigned Medicare billing, Illinois enrollment
  • 383 clinicians in this Medicare group
NPI 1396181590 (312) 666-3494

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 60625 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.

IVAN ZRANTCHEV MD
Emergency Medicine
5145 N CALIFORNIA AVE
CHICAGO, IL 60625
Cook County (773) 878-8200
AMC ANESTHESIA LTD
Anesthesiology
5145 N CALIFORNIA AVE
CHICAGO, IL 60625
Cook County (773) 878-8200
GLORIA NEZIANYA APN-CNP
Nurse Practitioner
5145 N CALIFORNIA AVE, STE M276
CHICAGO, IL 60625
Cook County (773) 878-8200
KAYLA ARLENE BALOUSEK MD
Emergency Medicine
5145 N CALIFORNIA AVE
CHICAGO, IL 60625
Cook County (773) 878-8200
JULIE I FRITZ PA
Physician Assistant
5145 N CALIFORNIA AVE
CHICAGO, IL 60625
Cook County (773) 989-3800
DR. ARTEMIS KHOJASTEH M.D.
Emergency Medicine
5145 N CALIFORNIA AVE, DEPARTMENT OF EMERGENCY MEDICINE
CHICAGO, IL 60625
Cook County (773) 878-8200
WILMER FERNANDO DAVILA M.D.
Anesthesiology
5145 N CALIFORNIA AVE
CHICAGO, IL 60625
Cook County (773) 293-5486
CASEY JOHN TOOLE DO
Emergency Medicine
5145 N CALIFORNIA AVE
CHICAGO, IL 60625
Cook County (773) 878-8200

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 Feinzimer's NPI number?

The NPI number for Michael Feinzimer is 1457455065. It was assigned to this individual provider in the NPPES registry on September 12, 2006.

Where is Michael Feinzimer located?

Michael Feinzimer practices at 5145 N California Ave, Chicago, IL 60625. The listed phone number is (773) 878-8200.

What is Michael Feinzimer's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Michael Feinzimer enrolled in Medicare?

Yes. Michael Feinzimer is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Michael Feinzimer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Feinzimer reassigns Medicare benefits to 2 organizations: Swedish Covenant Management Services, Inc. (Chicago, IL) and Erie Family Health Center Inc (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 Feinzimer'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 Feinzimer was last updated on October 23, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.