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ALDO FABIAN PEREZ MD
NPI 1083540546
Internal Medicine in Chicago, IL

Active since June 22, 2026PECOS Enrolled
1901 W HARRISON ST, CHICAGO, IL 60612(312) 864-6000 Get Directions Write a Review

NPPES record last updated: June 22, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Aldo Fabian Perez Md NPPES

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

ALDO FABIAN PEREZ MD (NPI 1083540546) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (125088698) and active in the NPI registry since June 2026. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083540546
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameALDO FABIAN PEREZCredential: MD
Location Address1901 W HARRISON STChicago, IL 60612-3714
Mailing Address1901 W Harrison StChicago, IL 60612-3714 · (312) 864-6000
Phone(312) 864-6000
Sole ProprietorNo
Enumeration DateJune 22, 2026
NPPES CertifiedJune 22, 2026
✔ NPI 1083540546 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 125088698
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

1901 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)

Aldo Fabian Perez 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
$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.

MS. RAQUEL MARILYN WEST-CRISP CNP
Nurse Practitioner (Adult Health)
1901 W HARRISON ST, 2ND FLOOR, GENERAL MEDICINE CLINIC
CHICAGO, IL 60612
Cook County (312) 864-6212
DR. PRABHAVATHI MARIYAPPA M.D.
Pediatrics (Pediatric Emergency Medicine)
1901 W HARRISON ST, JOHN H. STROGER JR. HOSPITAL, DEPARTMENT OF PEDIATRICS
CHICAGO, IL 60612
Cook County (312) 864-1523
DR. MAUREEN T. STURMAN MD
Internal Medicine (Geriatric Medicine)
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 864-6000
MR. ISABEL F. FAIRCLOTH APN,-CCNS , CNP
Nurse Practitioner (Adult Health)
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 864-4600
DR. ROLANCO BALAGTAS M.D.
Pediatrics
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 864-4665
DR. JINI HAE-JIN HAN MD
Internal Medicine
1901 W HARRISON ST, JOHN H. STROGER JR. HOSPITAL OF COOK COUNTY
CHICAGO, IL 60612
Cook County (312) 864-6000
MERRICK SHOR
Radiology (Diagnostic Radiology)
1901 W HARRISON ST, RM 2533
CHICAGO, IL 60612
Cook County (312) 864-3825
DR. TSU FUH YEH M.D.
Podiatrist
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 864-6000

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 Aldo Perez's NPI number?

The NPI number for Aldo Perez is 1083540546. It was assigned to this individual provider in the NPPES registry on June 22, 2026.

Where is Aldo Perez located?

Aldo Perez practices at 1901 W Harrison St, Chicago, IL 60612. The listed phone number is (312) 864-6000.

What is Aldo Perez's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Aldo Perez enrolled in Medicare?

Yes. Aldo Perez is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Aldo Perez was last updated on June 22, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.