DR. GRAHAM TYLER FOSTER M.D.
NPI 1134416720
Family Medicine in Saint Louis, MO
About Dr. Graham Tyler Foster M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GRAHAM TYLER FOSTER M.D. (NPI 1134416720) is an individual family medicine provider in Saint Louis, Missouri, licensed in Missouri (2018012741) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of University Of Tennessee, Hsc, College Of Medicine (2011).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Graham Tyler Foster 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.
Medicare Billing Reassignments
3Medicare enrollment records show Graham Foster reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 744 clinicians in this Medicare group
Saint Louis, MO 63122
- Reassigned Medicare billing, Missouri enrollment
- 34 clinicians in this Medicare group
Ellisville, MO 63011
- Reassigned Medicare billing, Missouri enrollment
- 13 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 9
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.
Mercy Hospital St Louis
Acute Care Hospitals · Saint Louis, MOSt Lukes Hospital
Acute Care Hospitals · Chesterfield, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63132 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.
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 Graham Foster's NPI number?
The NPI number for Graham Foster is 1134416720. It was assigned to this individual provider in the NPPES registry on July 1, 2011.
Where is Graham Foster located?
Graham Foster practices at 9338 Olive Blvd Ste 100B, Saint Louis, MO 63132. The listed phone number is (314) 993-7121.
What is Graham Foster's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Graham Foster enrolled in Medicare?
Yes. Graham Foster 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 Graham Foster's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Graham Foster reassigns Medicare benefits to 3 organizations: Mercy Clinic East Communities (Saint Louis, MO), Premier Medical Physicians LLC (Saint Louis, MO) and Westglen Family Physicians, LLC (Ellisville, 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 Graham Foster's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Graham Foster accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 4 other insurers list Graham Foster 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 Graham Foster affiliated with any hospitals?
According to CMS data, Graham Foster is affiliated with Mercy Hospital St Louis and St Lukes Hospital.
When was this NPI record last updated?
The NPPES record for Graham Foster was last updated on October 23, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.