DR. CLINTON WALLS M.D.
NPI 1811376411
Family Medicine in Pierre, SD
About Dr. Clinton Walls M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CLINTON WALLS M.D. (NPI 1811376411) is an individual family medicine provider in Pierre, South Dakota, licensed in Florida (ME134419) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, is affiliated with Avera St Mary's Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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. Clinton Walls 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 Clinton Walls reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pierre, SD 57501
- Reassigned Medicare billing, South Dakota enrollment
- 197 clinicians in this Medicare group
Sarasota, FL 34239
- Reassigned Medicare billing, Florida enrollment
- 956 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Avera St Mary's Hospital
Acute Care Hospitals · Pierre, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57501 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 20
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 Clinton Walls's NPI number?
The NPI number for Clinton Walls is 1811376411. It was assigned to this individual provider in the NPPES registry on May 28, 2015.
Where is Clinton Walls located?
Clinton Walls practices at 801 E Sioux Ave, Pierre, SD 57501. The listed phone number is (605) 224-3100.
What is Clinton Walls's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Clinton Walls enrolled in Medicare?
Yes. Clinton Walls 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 Clinton Walls's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Clinton Walls reassigns Medicare benefits to 2 organizations: Avera St Marys (Pierre, SD) and Smh Physician Services Inc (Sarasota, FL). 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 Clinton Walls's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Clinton Walls accept?
Health plans from Avera Health Plans, Medica, Oscar Health Maintenance Organization of Florida, Oscar Insurance Company and Wellmark of South Dakota, Inc. list Clinton Walls 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 Clinton Walls affiliated with any hospitals?
According to CMS data, Clinton Walls is affiliated with Avera St Mary's Hospital.
When was this NPI record last updated?
The NPPES record for Clinton Walls was last updated on October 18, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Clinton Walls, M.D. · NPI 1811376411
Family Medicine physician in Pierre, South Dakota. Individual provider, active in the CMS NPPES registry since May 28, 2015.
## Identity
- **NPI:** 1811376411 (Entity type: Individual)
- **Enumerated:** May 28, 2015
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** ME134419 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 801 E SIOUX AVE, Pierre, SD 57501-3323
- **Phone:** (605) 224-3100
## 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): Avera St Marys (NPI 1073305496, Pierre, SD); Smh Physician Services Inc (NPI 1346295292, Sarasota, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** October 18, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1811376411) · Data from the CMS NPPES public registry.