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OSARETIN ORONSAYE M.D.
NPI 1093701575
Obstetrics & Gynecology in Chicago, IL

Active since September 21, 2005PECOS EnrolledAccepts Medicare Assignment
2653 W OGDEN AVE, SUITE 3B, CHICAGO, IL 60608(773) 522-6100(773) 257-2527 Get Directions Write a Review

NPPES record last updated: April 22, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Osaretin Oronsaye M.d. NPPES

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

OSARETIN ORONSAYE M.D. (NPI 1093701575) is an individual obstetrics & gynecology provider in Chicago, Illinois, licensed in Illinois (036-097639) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Mt Sinai Hospital Medical Center, and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1093701575
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameOSARETIN ORONSAYECredential: M.D.
Location Address2653 W OGDEN AVE, SUITE 3BChicago, IL 60608-1647
Mailing Address2653 W Ogden Ave, Suite 3bChicago, IL 60608-1647 · (773) 522-6100 · Fax (773) 257-2527
Phone(773) 522-6100
Fax(773) 257-2527
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateSeptember 21, 2005
Last NPPES UpdateApril 22, 2019
✔ NPI 1093701575 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 · 036-097639
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.
2653 W OGDEN AVE, Chicago, IL 60608
Open in Google Maps ↗

Secondary Practice Location 1

Location 12233 W Division StChicago, IL 60622-8151 · Phone (224) 273-3381

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Osaretin Oronsaye M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2769478825
PECOS Enrollment IDI20040423000144
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 Osaretin Oronsaye reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mount Sinai Community Foundation
Same address
Family Medicine
2653 W OGDEN AVE, 2ND FLOOR
Chicago, IL 60608
  • Reassigned Medicare billing, Illinois enrollment
  • 646 clinicians in this Medicare group
NPI 1417343591 (773) 257-6840
Access Community Health Network
0.1 mi
Federally Qualified Health Center (FQHC)
2653 W OGDEN AVE
Chicago, IL 60608
  • Reassigned Medicare billing, Illinois enrollment
  • 413 clinicians in this Medicare group
NPI 1912192253 (773) 257-6672
Obhg Illinois Sc
5.6 mi
Obstetrics & Gynecology
3249 OAK PARK AVE
Berwyn, IL 60402
  • Reassigned Medicare billing, Illinois enrollment
  • 219 clinicians in this Medicare group
NPI 1700107216 (800) 967-2289

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

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mt Sinai Hospital Medical Center

Acute Care Hospitals · Chicago, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140018
Location1500 S Fairfield AveChicago, IL 60608 · Cook County
Emergency services Birthing friendly

Holy Cross Hospital

Acute Care Hospitals · Chicago, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140133
Location2701 W 68th StreetChicago, IL 60629 · Cook County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60608 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.

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.

DIANA THUY KHANH HOANG RDN
Dietitian, Registered
2653 W OGDEN AVE
CHICAGO, IL 60608
Cook County (773) 257-6508
MOUNT SINAI COMMUNITY FOUNDATION DBA SINAI MEDICAL GROUP
Clinic/Center (Multi-Specialty)
2653 W OGDEN AVE, 3RD FLOOR SUITE A
CHICAGO, IL 60608
Cook County (773) 257-6701
DR. ELI LOUIS BADER DO
Psychiatry & Neurology (Psychosomatic Medicine)
2653 W OGDEN AVE
CHICAGO, IL 60608
Cook County (773) 257-5840
MELISSA ANN NARCISI RD, LDN
Dietitian, Registered
2653 W OGDEN AVE
CHICAGO, IL 60608
Cook County (773) 257-6111
JENNIFER CALLEGARI HILL MD
Family Medicine
2653 W OGDEN AVE
CHICAGO, IL 60608
Cook County (773) 522-6100
KATRINA KOLLER RD, LDN
Dietitian, Registered
2653 W OGDEN AVE, SUITE 3A
CHICAGO, IL 60608
Cook County (773) 257-6111
AMANDA L DICK LCSW
Social Worker (Clinical)
2653 W OGDEN AVE, 2ND FLOOR
CHICAGO, IL 60608
Cook County (773) 257-6672
MR. STEVEN ISAAC FOLEY RD, LDN
Dietitian, Registered
2653 W OGDEN AVE
CHICAGO, IL 60608
Cook County (773) 257-6121

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 Osaretin Oronsaye's NPI number?

The NPI number for Osaretin Oronsaye is 1093701575. It was assigned to this individual provider in the NPPES registry on September 21, 2005.

Where is Osaretin Oronsaye located?

Osaretin Oronsaye practices at 2653 W Ogden Ave Suite 3B, Chicago, IL 60608. The listed phone number is (773) 522-6100.

What is Osaretin Oronsaye's specialty?

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

Is Osaretin Oronsaye enrolled in Medicare?

Yes. Osaretin Oronsaye is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Osaretin Oronsaye's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Osaretin Oronsaye reassigns Medicare benefits to 3 organizations: Mount Sinai Community Foundation (Chicago, IL), Access Community Health Network (Chicago, IL) and Obhg Illinois Sc (Berwyn, IL). 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 Osaretin Oronsaye's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Osaretin Oronsaye accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Osaretin Oronsaye 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.

Is Osaretin Oronsaye affiliated with any hospitals?

According to CMS data, Osaretin Oronsaye is affiliated with Mt Sinai Hospital Medical Center and Holy Cross Hospital.

When was this NPI record last updated?

The NPPES record for Osaretin Oronsaye was last updated on April 22, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.