DR. MARK J JOSTES MD
NPI 1477518595
Obstetrics & Gynecology in Saint Louis, MO
About Dr. Mark J Jostes Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK J JOSTES MD (NPI 1477518595) is an individual obstetrics & gynecology provider in Saint Louis, Missouri, licensed in Missouri (36292) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in St Louis.
NPPES Registry Identity
Specialties & Licenses
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 (PECOS)
Dr. Mark J Jostes Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Mark Jostes reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63131
- Reassigned Medicare billing, Missouri enrollment
- 82 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 611 clinicians in this Medicare group
Hillsboro, MO 63050
- Reassigned Medicare billing, Missouri enrollment
- 7 clinicians in this Medicare group
Saint Clair, MO 63077
- Reassigned Medicare billing, Missouri enrollment
- Also billed through NPI 1396827408 (Missouri)
- 76 clinicians in this Medicare group
Farmington, MO 63640
- Reassigned Medicare billing, Missouri enrollment
- 71 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63131 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 3
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 Mark Jostes's NPI number?
The NPI number for Mark Jostes is 1477518595. It was assigned to this individual provider in the NPPES registry on April 20, 2006.
Where is Mark Jostes located?
Mark Jostes practices at 3009 N Ballas Rd Ste 366C, Saint Louis, MO 63131. The listed phone number is (314) 312-1678.
What is Mark Jostes's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Mark Jostes enrolled in Medicare?
Yes. Mark Jostes is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mark Jostes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Jostes reassigns Medicare benefits to 5 organizations: Missouri Baptist Medical Center (Saint Louis, MO), Physician Groups Lc (Saint Louis, MO), Jefferson County Health Department (Hillsboro, MO), Missouri Baptist Hospital Of Sullivan (Saint Clair, MO) and Parkland Health 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 Mark Jostes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Jostes accept?
Health plans from UnitedHealthcare list Mark Jostes 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 Mark Jostes was last updated on March 12, 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.