BENJAMIN DOUGLAS STIVERS MD
NPI 1548821952
Anesthesiology in Saint Louis, MO
About Benjamin Douglas Stivers Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BENJAMIN DOUGLAS STIVERS MD (NPI 1548821952) is an individual anesthesiology provider in Saint Louis, Missouri, licensed in Missouri (2021014633) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and maintains a secondary practice location in Saint 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 and accepts Medicare assignment
Benjamin Douglas Stivers 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
3Medicare enrollment records show Benjamin Stivers 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
- 309 clinicians in this Medicare group
Saint Louis, MO 63104
- Reassigned Medicare billing, Missouri enrollment
- 1,294 clinicians in this Medicare group
Saint Louis, MO 63136
- Reassigned Medicare billing, Illinois and Missouri enrollments
- Medicare enrollment name: Midwest Anesthesia Providers Sc
- 253 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
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hospital
Acute Care Hospitals · Belleville, ILMercy Hospital St Louis
Acute Care Hospitals · Saint Louis, MOMercy Hospital Washington
Acute Care Hospitals · Washington, MOOther 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
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 Benjamin Stivers's NPI number?
The NPI number for Benjamin Stivers is 1548821952. It was assigned to this individual provider in the NPPES registry on June 26, 2019.
Where is Benjamin Stivers located?
Benjamin Stivers practices at 615 S New Ballas Rd, Saint Louis, MO 63141. The listed phone number is (636) 386-9224.
What is Benjamin Stivers's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Benjamin Stivers enrolled in Medicare?
Yes. Benjamin Stivers 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 Benjamin Stivers's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Stivers reassigns Medicare benefits to 3 organizations: Western Anesthesiology Associates, Inc. (Saint Louis, MO), Ssm Health Care Group (Saint Louis, MO) and Midwest Anesthesia Providers S.C (Saint Louis, 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 Benjamin Stivers's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Benjamin Stivers accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter of Oklahoma and Ambetter of Tennessee and 1 other insurer list Benjamin Stivers 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 Benjamin Stivers affiliated with any hospitals?
According to CMS data, Benjamin Stivers is affiliated with Memorial Hospital, Mercy Hospital St Louis and Mercy Hospital Washington.
When was this NPI record last updated?
The NPPES record for Benjamin Stivers was last updated on July 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Benjamin Douglas Stivers, MD · NPI 1548821952
Anesthesiology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since June 26, 2019.
## Identity
- **NPI:** 1548821952 (Entity type: Individual)
- **Enumerated:** June 26, 2019
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 2021014633 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 615 S NEW BALLAS RD, Saint Louis, MO 63141-8221
- **Phone:** (636) 386-9224 · **Fax:** (636) 386-7679
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Western Anesthesiology Associates, Inc. (NPI 1275646754, Saint Louis, MO); Ssm Health Care Group (NPI 1306589544, Saint Louis, MO); Midwest Anesthesia Providers S.C (NPI 1295189082, Saint Louis, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** July 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1548821952) · Data from the CMS NPPES public registry.