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

Obstetrics/Gynecology

Kelsey E. O'Hagan, MD

Sees patients in Chicago, IL · Illinois

Summary

Kelsey E. O'Hagan, MD (Obstetrics/Gynecology) is enrolled with Medicare at 1 practice location in Chicago, IL. NPI 1336899616. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Kelsey E. O'Hagan, 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

Obstetrics/GynecologyPrimary specialty
May acceptAccepts Medicare assignment
4Years since medical school (graduated 2022)
New York Medical CollegeMedical school
FemaleGender (as listed)

Quick answers

Where does Kelsey E. O'Hagan see patients?
Medicare's clinician data lists 1 practice location in Chicago, IL. Call before your visit to confirm the address.
What is Kelsey E. O'Hagan's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Kelsey E. O'Hagan accept Medicare assignment?
Medicare's clinician data says Kelsey E. O'Hagan may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Kelsey E. O'Hagan's NPI number?
1336899616. 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 Kelsey E. O'Hagan is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Obstetrics/Gynecology doctors in Illinois →

Other OB-GYNs in Chicago

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

All OB-GYNs in Chicago →

Clinician information

CredentialMD
Medical schoolNew York Medical College
Graduation year2022
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1336899616
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