KATY E GRAY MD
NPI 1144663568
Obstetrics & Gynecology in Saint Louis, MO
About Katy E Gray Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATY E GRAY MD (NPI 1144663568) is an individual obstetrics & gynecology provider in Saint Louis, Missouri, licensed in Missouri (2022012932) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Katy E Gray Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
7Medicare enrollment records show Katy Gray reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- 744 clinicians in this Medicare group
Cuba, MO 65453
- Reassigned Medicare billing, Missouri enrollment
- Also billed through NPI 1245277631 (Missouri)
- 1,487 clinicians in this Medicare group
Carbondale, IL 62901
- Reassigned Medicare billing, Illinois enrollment
- 702 clinicians in this Medicare group
Olney, IL 62450
- Reassigned Medicare billing, Illinois enrollment
- 301 clinicians in this Medicare group
Blue Springs, MO 64014
- Reassigned Medicare billing, Missouri enrollment
- Medicare enrollment name: Saint Lukes Physician Group Inc
- 1,339 clinicians in this Medicare group
Joplin, MO 64804
- Reassigned Medicare billing, Missouri enrollment
- 427 clinicians in this Medicare group
Berwyn, IL 60402
- Reassigned Medicare billing, Illinois enrollment
- 219 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63127 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63127
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 Katy Gray's NPI number?
The NPI number for Katy Gray is 1144663568. It was assigned to this individual provider in the NPPES registry on April 16, 2013.
Where is Katy Gray located?
Katy Gray practices at 10777 Sunset Office Dr Ste 200, Saint Louis, MO 63127. The listed phone number is (314) 842-4802.
What is Katy Gray's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Katy Gray enrolled in Medicare?
Yes. Katy Gray is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Katy Gray's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katy Gray reassigns Medicare benefits to 7 organizations: Mercy Clinic East Communities (Saint Louis, MO), Mercy Clinic Springfield Communities (Cuba, MO), Southern Illinois Medical Services, Nfp (Carbondale, IL), Richland Memorial Hospital, Inc (Olney, IL), Saint Luke's Physician Group Inc (Blue Springs, MO) and 2 more organizations, listed in the Medicare section above. 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 Katy Gray's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katy Gray accept?
Health plans from Anthem Blue Cross and Blue Shield and Wellmark Health Plan of Iowa, Inc. list Katy Gray 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 Katy Gray was last updated on September 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 44 days 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.
# Katy E Gray, MD · NPI 1144663568
Obstetrics & Gynecology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since April 16, 2013.
## Identity
- **NPI:** 1144663568 (Entity type: Individual)
- **Enumerated:** April 16, 2013
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 2022012932 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 10777 SUNSET OFFICE DR STE 200, Saint Louis, MO 63127-1019
- **Phone:** (314) 842-4802 · **Fax:** (314) 849-8721
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Mercy Clinic East Communities (NPI 1720635329, Saint Louis, MO); Mercy Clinic Springfield Communities (NPI 1063541704, Cuba, MO); Southern Illinois Medical Services, Nfp (NPI 1770656837, Carbondale, IL); Richland Memorial Hospital, Inc (NPI 1326566290, Olney, IL); Saint Luke's Physician Group Inc (NPI 1376257220, Blue Springs, MO); and 2 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 15, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1144663568) · Data from the CMS NPPES public registry.