Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1871227462 Individual Practitioner Female Practitioner

Dr. Katherine Lynn Wilhelm , DNP, AG-ACNP

Nurse Practitioner • Chicago, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Katherine Wilhelm, DNP, AG-ACNP is a certified Nurse Practitioner practicing in Chicago, IL. With approximately 5 years of clinical experience since graduating from University Of Kentucky College Of Medicine in 2021, Dr. Wilhelm delivers high-quality medical care to the local community at 676 N SAINT CLAIR ST STE 2140.

Dr. Wilhelm is affiliated with Northwestern Medical Faculty Foundation and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

676 N Saint Clair St Ste 2140

Chicago, IL 606113143

Telephone 3126953800
Fax 3126953644

Medicare Profile & Education

Medical School

University Of Kentucky College Of Medicine

Graduation Year

2021

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Chicago, IL

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
5 Yrs -3.9 yrs vs City Avg
City Avg: 8.9 Yrs
State Avg: 10.4 Yrs
Regional Practice Density
961 Specialists

Practicing in Chicago, IL (4929 Statewide)

Telehealth Adoption Rate
19.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Wilhelm (5 Years) 5 Yrs
Chicago Specialty Average (8.9 Years) 8.9 Yrs

Medical Specialties & State Licenses

CMS Verified: 2026-03-27
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License IL 209033398

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Nurse Practitioner - Acute Care

NUCC Taxonomy Code: 363LA2100X

State License CA 95019012

Definition to come...

Hospital & Practice Group Affiliations

Northwestern Medical Faculty Foundation

676 N Saint Clair St, Chicago, IL 606112927

Northwestern Medical Faculty Foundation

676 N Saint Clair, Chicago, IL 606112927

Northwestern Medical Faculty Foundation

675 N St Clair, Chicago, IL 606115975

Northwestern Medical Faculty Foundation

675 N Saint Clair St, Chicago, IL 606115975

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Joseph Herrold , MD, MPH

Surgery - Trauma Surgery

NPI 1013311067

Doctor of Medicine (M.D.), Master of Public Health

Dr. Michael Sutherland , MD

Surgery - Trauma Surgery

NPI 1083604821

Doctor of Medicine (M.D.)

Dr. Anne Stey , MD

Surgery - Trauma Surgery

NPI 1124253935

Doctor of Medicine (M.D.)

Justin Young , PA-C

Physician Assistant

NPI 1164052734

Physician Assistant (Certified)

Emily Saha

Physician Assistant

NPI 1184102618
Dr. Samuel Kim , MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

NPI 1184771172

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

9 Historical Events
📍
Updated Practice Location March 27, 2026

Registered at 676 N SAINT CLAIR ST STE 2140, CHICAGO, IL 606113143 (Tel: 3126953800)

📍
Updated Business Mailing Address March 27, 2026

Registered at 676 N SAINT CLAIR ST STE 2140, CHICAGO, IL 606113143 (Tel: 3126953800)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 27, 2026

Nurse Practitioner (License #209033398 in IL)

NPI Profile Active July 11, 2022

NPI status registered as active in NPPES database

📍
Updated Practice Location July 11, 2022

Registered at 8900 BEVERLY BLVD FL 3, WEST HOLLYWOOD, CA 900482438 (Tel: 3104232641)

📍
Updated Business Mailing Address July 11, 2022

Registered at 401 SHIRLEY PL APT 206, BEVERLY HILLS, CA 902124135 (Tel: 3098464728)

👤
Provider Name / Credentials Updated July 11, 2022

Recorded as KATHERINE WILHELM, DNP, AG-ACNP

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 11, 2022

Nurse Practitioner (License #95019012 in CA)

🟢
Initial NPI Registration & Enumeration July 11, 2022

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1871227462
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 11, 2022
Last Update: March 27, 2026
Sole Proprietor: No

Mailing Address

676 N Saint Clair St Ste 2140

Chicago, IL 606113143

Phone: 3126953800

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.