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JOHN ALLEN KOWALSKI
NPI 1235178708
Internal Medicine - Infectious Disease in Chicago, IL

Active since June 06, 2006PECOS Enrolled
2020 W HARRISON ST, SUITE 1266, CHICAGO, IL 60612(312) 572-4739(312) 572-4719 Get Directions Write a Review

NPPES record last updated: April 26, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About John Allen Kowalski NPPES

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

JOHN ALLEN KOWALSKI (NPI 1235178708) is an individual infectious disease provider in Chicago, Illinois, licensed in Illinois (036053307) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235178708
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameJOHN ALLEN KOWALSKI
Location Address2020 W HARRISON ST, SUITE 1266Chicago, IL 60612-3741
Mailing Address1301 W Madison St, Unit 523Chicago, IL 60607-1936 · (312) 666-5753
Phone(312) 572-4739
Fax(312) 572-4719
Sole ProprietorYes
Enumeration DateJune 6, 2006
Last NPPES UpdateApril 26, 2013
✔ NPI 1235178708 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in IL · 036053307
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
2020 W HARRISON ST, Chicago, IL 60612
Open in Google Maps ↗

Other Identifiers 2

Medicare UPINC41986IL
Medicare ID-Type Unspecified205927

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John Allen Kowalski 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. ISHANTE NORRIS NURSE PRACTITIONER
Nurse Practitioner (Family)
2020 W HARRISON ST
CHICAGO, IL 60612
Cook County (773) 389-8832
DR. JUDIYNN BULT PHARMD,BCPS
Pharmacist
2020 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 572-4888
NEHA CHIKANI
Pharmacist
2020 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 572-4885
MS. MELODY BATHER-GARDNER MA, MISA II
Counselor (Addiction (Substance Use Disorder))
2020 W HARRISON ST, 226
CHICAGO, IL 60612
Cook County (312) 572-4518
IXCHELL YANET ORTIZ ESTES NP
Nurse Practitioner (Pediatrics)
2020 W HARRISON ST
CHICAGO, IL 60612
Cook County (773) 572-4596
MS. ROSEMARY JUAREZ PACYGA FNP, NP-C, MS
Nurse Practitioner (Family)
2020 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 572-4680
DR. HAMID BOUIRI PHARM.D
Pharmacist
2020 W HARRISON ST, 2020 WEST HARRISON STREET
CHICAGO, IL 60612
Cook County (312) 572-4887
DR. DAVID E. BARKER M.D.
Internal Medicine (Infectious Disease)
2020 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 572-4505

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 John Kowalski's NPI number?

The NPI number for John Kowalski is 1235178708. It was assigned to this individual provider in the NPPES registry on June 6, 2006.

Where is John Kowalski located?

John Kowalski practices at 2020 W Harrison St Suite 1266, Chicago, IL 60612. The listed phone number is (312) 572-4739.

What is John Kowalski's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is John Kowalski enrolled in Medicare?

Yes. John Kowalski is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John Kowalski was last updated on April 26, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.