JOCELYN RAY MD, PHD
NPI 1790139269
Obstetrics & Gynecology - Gynecologic Oncology in Chicago, IL
About Jocelyn Ray Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOCELYN RAY MD, PHD (NPI 1790139269) is an individual gynecologic oncology provider in Chicago, Illinois, licensed in Illinois (036157504) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Rush University Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Accepted 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
Jocelyn Ray Md, Phd 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.
Medicare Billing Reassignments
2Medicare enrollment records show Jocelyn Ray reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Rush University Medical Group
- 2,169 clinicians in this Medicare group
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- 126 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Rush University Medical Center
Acute Care Hospitals · Chicago, ILAdvocate Good Shepherd Hospital
Acute Care Hospitals · Barrington, ILPhysician 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
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 Jocelyn Ray's NPI number?
The NPI number for Jocelyn Ray is 1790139269. It was assigned to this individual provider in the NPPES registry on April 20, 2016.
Where is Jocelyn Ray located?
Jocelyn Ray practices at 820 S Wood St # Mc808, Chicago, IL 60612. The listed phone number is (407) 580-7578.
What is Jocelyn Ray's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.
Is Jocelyn Ray enrolled in Medicare?
Yes. Jocelyn Ray 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 Jocelyn Ray's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jocelyn Ray reassigns Medicare benefits to 2 organizations: Rush University Medical Center (Chicago, IL) and The Board Of Trustees Of The University Of Illinois (Chicago, 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 Jocelyn Ray's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jocelyn Ray accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Jocelyn Ray 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 Jocelyn Ray affiliated with any hospitals?
According to CMS data, Jocelyn Ray is affiliated with Rush University Medical Center and Advocate Good Shepherd Hospital.
When was this NPI record last updated?
The NPPES record for Jocelyn Ray was last updated on July 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Jocelyn Ray, MD, PHD · NPI 1790139269
Gynecologic Oncology physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since April 20, 2016.
## Identity
- **NPI:** 1790139269 (Entity type: Individual)
- **Enumerated:** April 20, 2016
- **Primary specialty:** Obstetrics & Gynecology - Gynecologic Oncology · taxonomy 207VX0201X
- **State license:** 036157504 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 820 S WOOD ST # MC808, Chicago, IL 60612-4325
- **Phone:** (407) 580-7578
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Rush University Medical Center (NPI 1184269425, Chicago, IL); The Board Of Trustees Of The University Of Illinois (NPI 1154541936, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** July 14, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1790139269) · Data from the CMS NPPES public registry.