Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1629131149 Individual Practitioner Male Practitioner

Dr. William R Harper , MD

Internal Medicine • Chicago, IL

Professional Overview & Biography Verified Profile Summary

Dr. William Harper, MD is a registered healthcare professional specializing in Internal Medicine in Chicago, IL. Practice services are available at 737 N MICHIGAN AVE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

737 N Michigan Ave
Suite 2020

Chicago, IL 60611

Telephone 8559477371
Fax 3122844124
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Chicago, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 21.8 Yrs
State Avg: 28.9 Yrs
Regional Practice Density
2969 Specialists

Practicing in Chicago, IL (7544 Statewide)

Telehealth Adoption Rate
12.8% 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

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036097080

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
036097080 (IL)

Practice Associates & Co-Workers

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

4 Associated Practitioners
Dr. Meaghan Daly , MD

Internal Medicine

NPI 1144485046

Doctor of Medicine (M.D.)

Dr. Daniel Hidaka , MD

Internal Medicine

NPI 1215190764

Doctor of Medicine (M.D.)

Dr. Kyle Kunz , MD

Internal Medicine

NPI 1215457429

Doctor of Medicine (M.D.)

Stephanie Stuhlmuller , APN, FNP-BC

Nurse Practitioner - Family

NPI 1780032870

Advanced Practice Nurse, Family Nurse Practitioner (Board Certified)

Career & Practice History Timeline

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

12 Historical Events
📍
Updated Practice Location August 16, 2018

Registered at 737 N MICHIGAN AVE, SUITE 2020, CHICAGO, IL 60611 (Tel: 8559477371)

NPI Profile Active April 13, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location April 13, 2017

Registered at 737 N MICHIGAN AVE, SUITE 2020, CHICAGO, IL 606112615 (Tel: 8559477371)

📍
Updated Business Mailing Address April 13, 2017

Registered at 5119 S DORCHESTER AVE, CHICAGO, IL 606154117 (Tel: 8559477371)

👤
Provider Name / Credentials Updated April 13, 2017

Recorded as WILLIAM HARPER, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 13, 2017

Internal Medicine (License #036097080 in IL)

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 180 HARVESTER DR STE 110, BURR RIDGE, IL 605276686 (Tel: 7738344064)

📍
Updated Business Mailing Address July 08, 2007

Registered at 5841 S MARYLAND AVE # MC1099, CHICAGO, IL 606371447

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as WILLIAM HARPER, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine

🟢
Initial NPI Registration & Enumeration December 18, 2006

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: 1629131149
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: December 18, 2006
Last Update: August 16, 2018
Sole Proprietor: Yes

Mailing Address

5119 S Dorchester Ave

Chicago, IL 606154117

Phone: 8559477371

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.