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KELSEY ELIZABETH O'HAGAN MD
NPI 1336899616
Obstetrics & Gynecology in Chicago, IL

Active since March 28, 2022PECOS Enrolled
1740 W TAYLOR ST CHICAO IL, CHICAGO, IL 60612(866) 600-2273 Get Directions Write a Review

NPPES record last updated: August 14, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 14, 2026, Jan 22, 2026 (2 updates tracked since 2026).

About Kelsey Elizabeth O'hagan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KELSEY ELIZABETH O'HAGAN MD (NPI 1336899616) is an individual obstetrics & gynecology provider in Chicago, Illinois, licensed in Illinois (336.133306) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS and is a graduate of New York Medical College (2022).

NPPES Registry Identity

NPI1336899616
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameKELSEY ELIZABETH O'HAGANCredential: MD
Location Address1740 W TAYLOR ST CHICAO ILChicago, IL 60612
Mailing Address1740 W Taylor St Chicao IlChicago, IL 60612
Phone(866) 600-2273
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 2022
Enumeration DateMarch 28, 2022
Last NPPES UpdateAugust 14, 20262 updates tracked since enumeration
NPPES CertifiedAugust 14, 2026
✔ NPI 1336899616 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in IL · 336.133306
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1740 W TAYLOR ST CHICAO IL, Chicago, IL 60612
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kelsey Elizabeth O'hagan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8022573062
PECOS Enrollment IDI20260810001720
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Kelsey O'hagan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Board Of Trustees Of The University Of Illinois
0.1 mi
Obstetrics & Gynecology
820 S WOOD ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 126 clinicians in this Medicare group
NPI 1154541936 (312) 996-7430

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60612 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kelsey O'hagan's NPI number?

The NPI number for Kelsey O'hagan is 1336899616. It was assigned to this individual provider in the NPPES registry on March 28, 2022.

Where is Kelsey O'hagan located?

Kelsey O'hagan practices at 1740 W Taylor St Chicao Il, Chicago, IL 60612. The listed phone number is (866) 600-2273.

What is Kelsey O'hagan's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Kelsey O'hagan enrolled in Medicare?

Yes. Kelsey O'hagan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Kelsey O'hagan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kelsey O'hagan reassigns Medicare benefits to The Board Of Trustees Of The University Of Illinois (Chicago, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kelsey O'hagan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Kelsey O'hagan was last updated on August 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.