DR. BETHANY SLECKMAN M.D.
NPI 1861814386
Internal Medicine - Medical Oncology in Saint Louis, MO
About Dr. Bethany Sleckman M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BETHANY SLECKMAN M.D. (NPI 1861814386) is an individual medical oncology provider in Saint Louis, Missouri, licensed in Missouri (2002027895) and active in the NPI registry since January 2014. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Duke University School Of Medicine (1990).
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. Bethany Sleckman 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
2Medicare enrollment records show Bethany Sleckman reassigns Medicare billing to 2 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
- 28 clinicians in this Medicare group
Washington, MO 63090
- Reassigned Medicare billing, Missouri enrollment
- 34 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 12
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 4
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, MOMercy Hospital Washington
Acute Care Hospitals · Washington, MOMercy Hospital South
Acute Care Hospitals · Saint Louis, MOMercy Hospital Lincoln
Critical Access Hospitals · Troy, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63141 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 63141
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
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 Bethany Sleckman's NPI number?
The NPI number for Bethany Sleckman is 1861814386. It was assigned to this individual provider in the NPPES registry on January 17, 2014.
Where is Bethany Sleckman located?
Bethany Sleckman practices at 607 S New Ballas Rd Suite 3425, Saint Louis, MO 63141. The listed phone number is (314) 251-7057.
What is Bethany Sleckman's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Bethany Sleckman enrolled in Medicare?
Yes. Bethany Sleckman 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 Bethany Sleckman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Bethany Sleckman reassigns Medicare benefits to 2 organizations: Mercy East Support Services, LLC (Saint Louis, MO) and Mercy Clinic Oncology, LLC (Washington, 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 Bethany Sleckman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Bethany Sleckman 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 3 other insurers list Bethany Sleckman 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 Bethany Sleckman affiliated with any hospitals?
According to CMS data, Bethany Sleckman is affiliated with Mercy Hospital St Louis, Mercy Hospital Washington, Mercy Hospital South and Mercy Hospital Lincoln.
When was this NPI record last updated?
The NPPES record for Bethany Sleckman was last updated on January 17, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Dr. Bethany Sleckman, M.D. · NPI 1861814386
Medical Oncology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since January 17, 2014.
## Identity
- **NPI:** 1861814386 (Entity type: Individual)
- **Enumerated:** January 17, 2014
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **State license:** 2002027895 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 607 S NEW BALLAS RD, SUITE 3425, Saint Louis, MO 63141-8222
- **Phone:** (314) 251-7057 · **Fax:** (314) 251-5665
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Mercy East Support Services, LLC (NPI 1225382013, Saint Louis, MO); Mercy Clinic Oncology, LLC (NPI 1407169915, Washington, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Duke University School Of Medicine, class of 1990
## Record status
- **NPPES last updated:** January 17, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1861814386) · Data from the CMS NPPES public registry.