DR. PENNY SUE WALKER (M.D.) – Emergency Medicine Physician, NPI 1659438497

Emergency Medicine Physician

DR. PENNY SUE WALKER (M.D.) is a healthcare provider. based in Chicago, Illinois. specializing in Emergency Medicine Physician. They hold the professional credentials M.D.. They hold a License No. 4301079079 (MI). The NPI Number for DR. PENNY SUE WALKER (M.D.) is 1659438497

Main info

Female

Sole Proprietor

Name

DR. PENNY SUE WALKER (M.D.)

NPI

1659438497

Phone

(312) 997-6722

Address

111 E WACKER DR

Enumeration Date

2 January 2007

Last Update Date

8 July 2007

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience52

Completeness75

Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for DR. PENNY SUE WALKER (M.D.)

Chicago Architecture Center, 111, East Wacker Drive, New East Side, Chicago, Cook County, Illinois, 60601, United States
CHICAGO, IL 606013713
Phone: (312) 997-6722
Type: Location
Ridgeway Street, Kirschner, Saint Joseph, Buchanan County, Missouri, 64504, United States
SAINT JOSEPH, MI 490851053
Phone: (269) 985-0592
Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2014-02-14

PECOS data refreshed: 2026-05-27

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 60601)

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Reviews

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Frequently asked questions

What number should I use to identify DR. PENNY SUE WALKER (M.D.) for billing?

Administrative and clinical systems typically use NPI 1659438497 for DR. PENNY SUE WALKER (M.D.).

Should I treat DR. PENNY SUE WALKER (M.D.) as an active provider?

Patients and plans typically see DR. PENNY SUE WALKER (M.D.) as active in the national extract.

What services align with DR. PENNY SUE WALKER (M.D.)'s listing?

DR. PENNY SUE WALKER (M.D.)'s public classification highlights Emergency Medicine Physician. Clinical services aligned with this taxonomy classification.

What city is tied to DR. PENNY SUE WALKER (M.D.)?

The directory associates DR. PENNY SUE WALKER (M.D.) with Chicago, Illinois. Check all listed addresses for suites or satellite offices.

Why is information missing for DR. PENNY SUE WALKER (M.D.)?

Providers choose how much contact data to publish. Missing fields do not mean the profile is fake.