Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Youjin Oh, MD

Sees patients in Chicago, IL · Illinois

Summary

Youjin Oh, MD (Internal Medicine) is enrolled with Medicare at 3 practice locations in Chicago, IL. NPI 1336822733. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Youjin Oh, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
May acceptAccepts Medicare assignment
6Years since medical school (graduated 2020)
FemaleGender (as listed)

Quick answers

Where does Youjin Oh see patients?
Medicare's clinician data lists 3 practice locations, including Chicago, IL. Call before your visit to confirm the address.
What is Youjin Oh's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Youjin Oh accept Medicare assignment?
Medicare's clinician data says Youjin Oh may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Youjin Oh's NPI number?
1336822733. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Youjin Oh is enrolled with Medicare (CMS data updated 2026-10-02).

  • 1922 W Ogden Ave, Unit 1601Chicago, IL 60612
  • 1950 W Polk StChicago, IL 60612
  • 1950 W Polk St, Suite 78Chicago, IL 60612

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Chicago

Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.

All internal medicine doctors in Chicago →

Clinician information

CredentialMD
Graduation year2020
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1336822733
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians