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JOHANNA WEFES-POTTER
NPI 1003643453
Emergency Medicine in Chicago, IL

Active since September 18, 2024PECOS Enrolled
1901 W HARRISON ST, CHICAGO, IL 60612(847) 843-2000 Get Directions Write a Review

NPPES record last updated: June 24, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 4, 2026, Sep 18, 2024 (2 updates tracked since 2024).

About Johanna Wefes-potter NPPES

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

JOHANNA WEFES-POTTER (NPI 1003643453) is an individual emergency medicine provider in Chicago, Illinois, licensed in Illinois (125.087442) and active in the NPI registry since September 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003643453
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameJOHANNA WEFES-POTTER
Location Address1901 W HARRISON STChicago, IL 60612-3714
Mailing Address1555 N Barrington RdHoffman Estates, IL 60169-1019 · (813) 361-7315
Phone(847) 843-2000
Sole ProprietorNo
Enumeration DateSeptember 18, 2024
Last NPPES UpdateJune 24, 20262 updates tracked since enumeration
NPPES CertifiedJune 24, 2026
✔ NPI 1003643453 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in IL · 125.087442
Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

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)

Johanna Wefes-potter 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
$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 20

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

ARON BERHANU GUDETTA MD
Internal Medicine
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 864-6000
DR. LIGAYA VILLAFRANCA MARASIGAN M.D.
Obstetrics & Gynecology (Gynecology)
1901 W HARRISON ST
CHICAG, IL 60612
Cook County (312) 864-5901
TIN TIN THOMAS M.D.
Internal Medicine
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 864-6000
COOK COUNTY
Pharmacy (Clinic Pharmacy)
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 864-6189
HELEN ELIZABETH STRAUS MD
Emergency Medicine
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 864-0060
MR. GLEN DERRICK TRAMMELL PA-C
Physician Assistant
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (773) 869-7488
JOHN H STROGER, JR. HOSPITAL OF COOK COUNTY
General Acute Care Hospital
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (773) 319-2085
JOSE L ESPINOSA LCSW
Social Worker (Clinical)
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 864-7000

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 Johanna Wefes-potter's NPI number?

The NPI number for Johanna Wefes-potter is 1003643453. It was assigned to this individual provider in the NPPES registry on September 18, 2024.

Where is Johanna Wefes-potter located?

Johanna Wefes-potter practices at 1901 W Harrison St, Chicago, IL 60612. The listed phone number is (847) 843-2000.

What is Johanna Wefes-potter's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Johanna Wefes-potter enrolled in Medicare?

Yes. Johanna Wefes-potter is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Johanna Wefes-potter was last updated on June 24, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.