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JOSHUA PROZIALECK
NPI 1982860755
Pediatrics - Pediatric Gastroenterology in Chicago, IL

Active since July 31, 2008PECOS Enrolled
225 E CHICAGO AVE # 65, CHICAGO, IL 60611(312) 227-4200(312) 227-9645 Get Directions Write a Review

NPPES record last updated: August 6, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 6, 2025, Mar 20, 2020, Aug 29, 2019 (3 updates tracked since 2019).

About Joshua Prozialeck NPPES

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

JOSHUA PROZIALECK (NPI 1982860755) is an individual pediatric gastroenterology provider in Chicago, Illinois, licensed in Illinois (036120039) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1982860755
Entity TypeIndividualMale
Primary Taxonomy2080P0206X
Provider Legal NameJOSHUA PROZIALECK
Location Address225 E CHICAGO AVE # 65Chicago, IL 60611-2991
Mailing Address225 E Chicago Ave # 65Chicago, IL 60611-2991 · (312) 227-4200
Phone(312) 227-4200
Fax(312) 227-9645
Sole ProprietorYes
Enumeration DateJuly 31, 2008
Last NPPES UpdateAugust 6, 20253 updates tracked since enumeration
NPPES CertifiedAugust 6, 2025
✔ NPI 1982860755 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0206X
License✔ Licensed in IL · 036120039
Definition
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.
225 E CHICAGO AVE # 65, Chicago, IL 60611
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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)

Joshua Prozialeck 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 60611 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 2

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

DR. LEE MICHAEL BASS M.D
Pediatrics (Pediatric Gastroenterology)
225 E CHICAGO AVE # 65
CHICAGO, IL 60611
Cook County (312) 227-4200
DR. ADRIENNE M SCHEICH MD
Pediatrics (Pediatric Gastroenterology)
225 E CHICAGO AVE # 65
CHICAGO, IL 60611
Cook County (312) 227-4200

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 Joshua Prozialeck's NPI number?

The NPI number for Joshua Prozialeck is 1982860755. It was assigned to this individual provider in the NPPES registry on July 31, 2008.

Where is Joshua Prozialeck located?

Joshua Prozialeck practices at 225 E Chicago Ave # 65, Chicago, IL 60611. The listed phone number is (312) 227-4200.

What is Joshua Prozialeck's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

Is Joshua Prozialeck enrolled in Medicare?

Yes. Joshua Prozialeck is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Joshua Prozialeck was last updated on August 6, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.