Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1053899138 Individual Practitioner Female Practitioner

Won H Oh , PA-C

Physician Assistant • Chicago, IL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Won Oh, PA-C is a certified Physician Assistant practicing in Chicago, IL. With approximately 8 years of clinical experience since completing medical education in 2018, Won Oh delivers high-quality medical care to the local community at 259 E ERIE ST STE 300.

Won Oh maintains professional affiliations with Northwestern Medical Faculty Foundation, University Of Chicago and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Practice Location & Contact Primary Location

Practice Address

259 E Erie St Ste 300

Chicago, IL 606112988

Telephone 3129264566
Fax 3129266511

Medicare Profile & Education

Medical School

Other

Graduation Year

2018

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Chicago, IL

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
8 Yrs +0.2 yrs vs City Avg
City Avg: 7.8 Yrs
State Avg: 11.7 Yrs
Regional Practice Density
1451 Specialists

Practicing in Chicago, IL (4958 Statewide)

Telehealth Adoption Rate
17.3% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Oh (8 Years) 8 Yrs
Chicago Specialty Average (7.8 Years) 7.8 Yrs

Medical Specialties & State Licenses

CMS Verified: 2026-02-27
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License IL 085006591

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Physician Assistant - Surgical

NUCC Taxonomy Code: 363AS0400X

State License IL 085006591

Definition to come...

Hospital & Practice Group Affiliations

Northwestern Medical Faculty Foundation

675 N St Clair, Chicago, IL 606115975

University Of Chicago

5841 S Maryland Ave, Chicago, IL 606371443

Phone: 8888240200

Northwestern Medical Faculty Foundation

259 E Erie St, Chicago, IL 606112930

Phone: 3125031944

Northwestern Medical Faculty Foundation

635 N Dearborn St, Chicago, IL 606544618

Phone: 3129260404

University Of Chicago

355 E Grand Ave, Chicago, IL 606115389

Phone: 8888240200

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

5 Associated Practitioners
Ijeoma Achebe , FNP

Nurse Practitioner

NPI 1013498294

Family Nurse Practitioner

Jillian Maruna

Nurse Practitioner

NPI 1306274535
Allyson Fritts , PA-C

Physician Assistant

NPI 1366976300

Physician Assistant (Certified)

Sarah Smyth , APRN, CNP

Nurse Practitioner

NPI 1750794137

Advanced Practice Registered Nurse, Certified Nurse Practitioner

Alayna Anerino , APRN, CNP

Nurse Practitioner

NPI 1760835714

Advanced Practice Registered Nurse, Certified Nurse Practitioner

Career & Practice History Timeline

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

14 Historical Events
📍
Updated Practice Location February 27, 2026

Registered at 259 E ERIE ST STE 300, CHICAGO, IL 606112988 (Tel: 3129264566)

📍
Updated Business Mailing Address February 27, 2026

Registered at 259 E ERIE ST STE 300, CHICAGO, IL 606112988 (Tel: 3129264566)

👤
Provider Name / Credentials Updated February 27, 2026

Recorded as WON OH, PA-C

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

Physician Assistant (License #085006591 in IL)

📍
Updated Practice Location March 08, 2022

Registered at 5841 S MARYLAND AVE, CHICAGO, IL 606371443 (Tel: 8888240200)

📍
Updated Business Mailing Address March 08, 2022

Registered at 150 HARVESTER DR, SUITE 300, BURR RIDGE, IL 605275919

📍
Updated Business Mailing Address May 28, 2019

Registered at 150 HARVESTER DR STE 300, BURR RIDGE, IL 605275965 (Tel: 7737021061)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 28, 2019

Physician Assistant (License #085006591 in IL)

NPI Profile Active August 01, 2018

NPI status registered as active in NPPES database

📍
Updated Practice Location August 01, 2018

Registered at 5841 S. MARYLAND AVE., MC5040, CHICAGO, IL 60637 (Tel: 7737021000)

📍
Updated Business Mailing Address August 01, 2018

Registered at 102 MOBBLY BAY DR, OLDSMAR, FL 346774014 (Tel: 8138923220)

👤
Provider Name / Credentials Updated August 01, 2018

Recorded as WON OH

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 01, 2018

Physician Assistant

🟢
Initial NPI Registration & Enumeration August 01, 2018

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: 1053899138
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 01, 2018
Last Update: February 27, 2026
Sole Proprietor: No

Mailing Address

259 E Erie St Ste 300

Chicago, IL 606112988

Phone: 3129264566

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.