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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MITCHELL BRIAN PEI MD
NPI 1679277693
Family Medicine in Chicago, IL

Active since March 27, 2023PECOS Enrolled
1435 W WEBSTER AVE, CHICAGO, IL 60614(773) 356-7700 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 13, 2026, Jun 14, 2023, Mar 27, 2023 (3 updates tracked since 2023).

About Mitchell Brian Pei Md NPPES

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

MITCHELL BRIAN PEI MD (NPI 1679277693) is an individual family medicine provider in Chicago, Illinois, licensed in Illinois (036.177145) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS and is a graduate of University Of Toledo College Of Medicine (2023).

NPPES Registry Identity

NPI1679277693
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameMITCHELL BRIAN PEICredential: MD
Location Address1435 W WEBSTER AVEChicago, IL 60614-3049
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900
Phone(773) 356-7700
Sole ProprietorNo
Medical School CMSUniversity Of Toledo College Of MedicineGraduated 2023
Enumeration DateMarch 27, 2023
Last NPPES UpdateJuly 13, 20263 updates tracked since enumeration
NPPES CertifiedJuly 13, 2026
✔ NPI 1679277693 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in IL · 036.177145
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1435 W WEBSTER AVE, Chicago, IL 60614
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mitchell Brian Pei Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4981174315
PECOS Enrollment IDI20260527003264
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60614 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
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 12

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

ADVOCATE HEALTH AND HOSPITALS CORPORATION
Clinic/Center (Multi-Specialty)
1435 W WEBSTER AVE
CHICAGO, IL 60614
Cook County (773) 356-7733
ADVOCATE HEALTH AND HOSPITALS CORPORATION
Clinic/Center (Ambulatory Surgical)
1435 W WEBSTER AVE
CHICAGO, IL 60614
Cook County (773) 356-7733
DR. PAUL F DEFRINO MD
Orthopaedic Surgery
1435 W WEBSTER AVE
CHICAGO, IL 60614
Cook County (773) 356-7700
ALEXANDRIA ELENI GIANNAKOPOULOS
Physical Therapist
1435 W WEBSTER AVE
CHICAGO, IL 60614
Cook County (630) 368-1771
MEGHAN BREWSTER
Physical Therapist
1435 W WEBSTER AVE
CHICAGO, IL 60614
Cook County (630) 368-1771
LAUREN ALBRECHT PA-C
Physician Assistant
1435 W WEBSTER AVE
CHICAGO, IL 60614
Cook County (773) 356-7700
KATHERINE CROSS
Family Medicine
1435 W WEBSTER AVE
CHICAGO, IL 60614
Cook County (773) 356-7700
STEPHANIE MEIER DO
Family Medicine
1435 W WEBSTER AVE
CHICAGO, IL 60614
Cook County (773) 880-0320

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 Mitchell Pei's NPI number?

The NPI number for Mitchell Pei is 1679277693. It was assigned to this individual provider in the NPPES registry on March 27, 2023.

Where is Mitchell Pei located?

Mitchell Pei practices at 1435 W Webster Ave, Chicago, IL 60614. The listed phone number is (773) 356-7700.

What is Mitchell Pei's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Mitchell Pei enrolled in Medicare?

Yes. Mitchell Pei is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mitchell Pei was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days 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.