Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1275909301 Individual Practitioner Male Practitioner

Peter Andrew Butzen , PNP, MSN, RN

Nurse Practitioner - Pediatrics • Chicago, IL

Professional Overview & Biography Verified Profile Summary

Peter Butzen, PNP, MSN, RN is a registered healthcare professional specializing in Nurse Practitioner - Pediatrics in Chicago, IL. Practice services are available at 225 E CHICAGO AVE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

225 E Chicago Ave

Chicago, IL 606112991

Telephone 8005437362
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner - Pediatrics in Chicago, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 11.0 Yrs
State Avg: 9.5 Yrs
Regional Practice Density
323 Specialists

Practicing in Chicago, IL (694 Statewide)

Telehealth Adoption Rate
0.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2025-11-21
Nurse Practitioner - Pediatrics Primary Specialty

NUCC Taxonomy Code: 363LP0200X

State License IL 209014555

Definition to come...

Registered Nurse

NUCC Taxonomy Code: 163W00000X

State License IL 041443589

(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.

Practice Associates & Co-Workers

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

40 Associated Practitioners
NPI 1013877935

Certified Prosthetist Orthotist

Amanda Hoyer

Ophthalmology - Pediatric Ophthalmology and Strabismus Specialist

NPI 1033692066
Dr. Rudy Allen , MD

Pediatrics - Pediatric Hematology-Oncology

NPI 1104079276

Doctor of Medicine (M.D.)

Dr. Daniel Schwartz , MD

Radiology - Diagnostic Radiology

NPI 1104815240

Doctor of Medicine (M.D.)

Needa Khan

Psychiatry & Neurology - Child & Adolescent Psychiatry

NPI 1154737484
Dr. Elisabeth Martin , MD MPH

Thoracic Surgery (Cardiothoracic Vascular Surgery)

NPI 1154807477

MDMPH

Career & Practice History Timeline

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

10 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 21, 2025

Nurse Practitioner (License #209014555 in IL)

📍
Updated Practice Location July 24, 2019

Registered at 225 E CHICAGO AVE, CHICAGO, IL 606112991 (Tel: 8005437362)

📍
Updated Business Mailing Address July 24, 2019

Registered at 225 E CHICAGO AVE # 246, CHICAGO, IL 606112991 (Tel: 8005437362)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 24, 2019

Registered Nurse (License #041443589 in IL)

NPI Profile Active August 12, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location August 12, 2015

Registered at 426 PROSPECT ST, APT 4, NEW HAVEN, CT 065112122 (Tel: 6305691923)

📍
Updated Business Mailing Address August 12, 2015

Registered at 426 PROSPECT ST, APT 4, NEW HAVEN, CT 065112122 (Tel: 6305691923)

👤
Provider Name / Credentials Updated August 12, 2015

Recorded as PETER BUTZEN, PNP, MSN, RN

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 12, 2015

Registered Nurse (License #113844 in CT)

🟢
Initial NPI Registration & Enumeration August 12, 2015

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: 1275909301
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 12, 2015
Last Update: November 21, 2025
Sole Proprietor: No

Mailing Address

225 E Chicago Ave # 246

Chicago, IL 606112991

Phone: 8005437362

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.