BRENDA GUILLEN MD
NPI 1649066325
Obstetrics & Gynecology in Chicago, IL

Q: What is Brenda Guillen's NPI number?

The NPI number for Brenda Guillen is 1649066325. It was assigned to this individual provider in the NPPES registry on April 17, 2025.

Q: What is Brenda Guillen's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Brenda Guillen was last updated on June 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.

Active since April 17, 2025PECOS Enrolled

1620 W HARRISON ST, CHICAGO, IL 60612(312) 942-5000 Get Directions Write a Review

NPPES record last updated: June 22, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Brenda Guillen Md NPPES

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

BRENDA GUILLEN MD (NPI 1649066325) is an individual obstetrics & gynecology provider in Chicago, Illinois, licensed in Illinois (125.086852) and active in the NPI registry since April 2025. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649066325

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameBRENDA GUILLENCredential: MD

Location Address1620 W HARRISON STChicago, IL 60612-3801

Mailing Address1620 W Harrison StChicago, IL 60612-3801

Phone(312) 942-5000

Sole ProprietorNo

Enumeration DateApril 17, 2025

Last NPPES UpdateJune 22, 2025

NPPES CertifiedJune 22, 2025

✔ NPI 1649066325 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in IL · 125.086852

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1620 W HARRISON ST, Chicago, IL 60612

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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)

Brenda Guillen 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.

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

$74.80 typical visit price

range $18.97 – $148.12

Typical copayment $18.70 (range $4.74 – $37.03)

Most-billed visit code 99213

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.

NICHOLAS RIGLER

Internal Medicine