JUSTINE KELLER MD
NPI 1487183679
Obstetrics & Gynecology in Saint Louis, MO
About Justine Keller Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JUSTINE KELLER MD (NPI 1487183679) is an individual obstetrics & gynecology provider in Saint Louis, Missouri, licensed in Missouri (2017018378) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital - St Louis, and maintains a secondary practice location in St. Louis.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Justine Keller Md 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
4Medicare enrollment records show Justine Keller reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63117
- Reassigned Medicare billing, Illinois enrollment
- 17 clinicians in this Medicare group
Saint Louis, MO 63104
- Reassigned Medicare billing, Missouri enrollment
- 1,294 clinicians in this Medicare group
Saint Louis, MO 63139
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Ssm Cardinal Glennon Children's Hospital
- 76 clinicians in this Medicare group
Farmington, MO 63640
- Reassigned Medicare billing, Missouri enrollment
- 595 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm Health St Mary's Hospital - St Louis
Acute Care Hospitals · Richmond Heights, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63117 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63117
SAINT LOUIS, MO 63117
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 Justine Keller's NPI number?
The NPI number for Justine Keller is 1487183679. It was assigned to this individual provider in the NPPES registry on June 9, 2017.
Where is Justine Keller located?
Justine Keller practices at 6420 Clayton Rd, Saint Louis, MO 63117. The listed phone number is (314) 768-8876.
What is Justine Keller's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Justine Keller enrolled in Medicare?
Yes. Justine Keller 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 Justine Keller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Justine Keller reassigns Medicare benefits to 4 organizations: Ssm Health Care St. Louis (Saint Louis, MO), Ssm Health Care Group (Saint Louis, MO), Ssm Cardinal Glennon Childrens Hospital (Saint Louis, MO) and Saint Francis Medical Center (Farmington, MO). 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 Justine Keller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Justine Keller accept?
Health plans from Anthem Blue Cross and Blue Shield, Medica and Oscar Insurance Company list Justine Keller 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 Justine Keller affiliated with any hospitals?
According to CMS data, Justine Keller is affiliated with Ssm Health St Mary's Hospital - St Louis.
When was this NPI record last updated?
The NPPES record for Justine Keller was last updated on April 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Justine Keller, MD · NPI 1487183679
Obstetrics & Gynecology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since June 9, 2017.
## Identity
- **NPI:** 1487183679 (Entity type: Individual)
- **Enumerated:** June 9, 2017
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 2017018378 (Missouri)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 6420 CLAYTON RD, Saint Louis, MO 63117-1811
- **Phone:** (314) 768-8876
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Ssm Health Care St. Louis (NPI 1366400855, Saint Louis, MO); Ssm Health Care Group (NPI 1306589544, Saint Louis, MO); Ssm Cardinal Glennon Childrens Hospital (NPI 1073568226, Saint Louis, MO); Saint Francis Medical Center (NPI 1013585561, Farmington, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Saint Louis University School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** April 25, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1487183679) · Data from the CMS NPPES public registry.