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EBUWA JOY OBASEKI MD
NPI 1245971993
Pediatrics in Chicago, IL

Active since April 06, 2022PECOS Enrolled
1901 W HARRISON ST, CHICAGO, IL 60612(312) 864-6000 Get Directions Write a Review

NPPES record last updated: November 3, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 3, 2025, May 27, 2022, Apr 6, 2022 (3 updates tracked since 2022).

About Ebuwa Joy Obaseki Md NPPES

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

EBUWA JOY OBASEKI MD (NPI 1245971993) is an individual pediatrics provider in Chicago, Illinois, licensed in Illinois (036.175837) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1245971993
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameEBUWA JOY OBASEKICredential: MD
Location Address1901 W HARRISON STChicago, IL 60612-3714
Mailing Address1901 W Harrison StChicago, IL 60612-3714 · (312) 864-6000
Phone(312) 864-6000
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateApril 6, 2022
Last NPPES UpdateNovember 3, 20253 updates tracked since enumeration
NPPES CertifiedNovember 3, 2025
✔ NPI 1245971993 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in IL · 036.175837
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1901 W HARRISON ST, Chicago, IL 60612
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ebuwa Joy Obaseki Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6507241502
PECOS Enrollment IDI20260204000099, I20260415000187
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 Reassignments

3

Medicare enrollment records show Ebuwa Obaseki reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Carle Health Medical Group
124 mi
Internal Medicine
611 W PARK ST
Urbana, IL 61801
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Carle Health Care Incorporated
  • 2,516 clinicians in this Medicare group
NPI 1154653947 (217) 383-8300
Glendive Medical Center, Inc
914 mi
Medicare Defined Swing Bed Unit
202 PROSPECT DR
Glendive, MT 59330
  • Reassigned Medicare billing, Montana enrollment
  • 32 clinicians in this Medicare group
NPI 1073523635 (406) 345-3306
Gabert Medical Services, Inc
914 mi
Multi-Specialty
107 DILWORTH ST
Glendive, MT 59330
  • Reassigned Medicare billing, Montana enrollment
  • 53 clinicians in this Medicare group
NPI 1336158930 (406) 345-8901

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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JOHANNA WEFES-POTTER
Emergency Medicine
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (847) 843-2000
ARON BERHANU GUDETTA MD
Internal Medicine
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 864-6000
DR. LIGAYA VILLAFRANCA MARASIGAN M.D.
Obstetrics & Gynecology (Gynecology)
1901 W HARRISON ST
CHICAG, IL 60612
Cook County (312) 864-5901
TIN TIN THOMAS M.D.
Internal Medicine
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 864-6000
COOK COUNTY
Pharmacy (Clinic Pharmacy)
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 864-6189
HELEN ELIZABETH STRAUS MD
Emergency Medicine
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 864-0060
MR. GLEN DERRICK TRAMMELL PA-C
Physician Assistant
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (773) 869-7488
JOHN H STROGER, JR. HOSPITAL OF COOK COUNTY
General Acute Care Hospital
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (773) 319-2085

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 Ebuwa Obaseki's NPI number?

The NPI number for Ebuwa Obaseki is 1245971993. It was assigned to this individual provider in the NPPES registry on April 6, 2022.

Where is Ebuwa Obaseki located?

Ebuwa Obaseki practices at 1901 W Harrison St, Chicago, IL 60612. The listed phone number is (312) 864-6000.

What is Ebuwa Obaseki's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Ebuwa Obaseki enrolled in Medicare?

Yes. Ebuwa Obaseki is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ebuwa Obaseki's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ebuwa Obaseki reassigns Medicare benefits to 3 organizations: Carle Health Medical Group (Urbana, IL), Glendive Medical Center, Inc (Glendive, MT) and Gabert Medical Services, Inc (Glendive, MT). Each 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 Ebuwa Obaseki's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ebuwa Obaseki accept?

Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Ebuwa Obaseki as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ebuwa Obaseki was last updated on November 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.