Mark J Jostes, MD
Obstetrics & Gynecology · Saint Louis, MO
At a glance
3009 N Ballas Rd Ste 366C, Saint Louis, MO 63131-2351
NPPES record updated Mar 12, 2021. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
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Check the official Medicare directory ↗Practice location
3009 N Ballas Rd Ste 366CSaint Louis, MO 63131-2351
Additional reported practice locations
3009 North Ballas RoadSuite 366 C
St Louis, MO 63131
Phone: 3145692424
Fax: 3145692158
Education & affiliations
No matching clinician background record in the imported CMS release.
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $188.42 |
Reporting companies
| Company | Amount |
|---|---|
| SAGE THERAPEUTICS, LLC | $45.00 |
| ORGANON LLC | $23.85 |
| ASTELLAS PHARMA US INC | $21.79 |
| EXELTIS, USA INC. | $21.58 |
| LILLY USA, LLC | $20.16 |
| EVOFEM BIOSCIENCES, INC. | $20.12 |
| SUMITOMO PHARMA AMERICA, INC. | $19.30 |
| ABBVIE INC. | $16.62 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Obstetrics & Gynecology
- Taxonomy code
- 207V00000X
- Enumeration date
- Apr 20, 2006
- Record updated
- Mar 12, 2021
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207V00000X · Primary
License reported: 36292 MO
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
3009 N Ballas Rd Ste 366CSaint Louis, MO 63131-2351
- Phone
- (314) 312-1678
Mailing address
3009 N BALLAS RD STE 366CSAINT LOUIS, MO 631312351
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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