ADAM R. WALKER CNP
NPI 1649370784
Nurse Practitioner in Sioux Falls, SD
About Adam R. Walker Cnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ADAM R. WALKER CNP (NPI 1649370784) is an individual nurse practitioner in Sioux Falls, South Dakota, licensed in South Dakota (CP000481) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Trinity Health Muskegon Hospital, and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses 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
Adam R. Walker Cnp 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 Adam Walker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sioux Falls, SD 57104
- Reassigned Medicare billing, South Dakota enrollment
- 826 clinicians in this Medicare group
Sioux Falls, SD 57105
- Reassigned Medicare billing, South Dakota enrollment
- 1,097 clinicians in this Medicare group
Canton, SD 57013
- Reassigned Medicare billing, South Dakota enrollment
- 422 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 2
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.
Trinity Health Muskegon Hospital
Acute Care Hospitals · Muskegon, MISanford Worthington Medical Center
Acute Care Hospitals · Worthington, MNWindom Area Health
Critical Access Hospitals · Windom, MNSanford Usd Medical Center
Acute Care Hospitals · Sioux Falls, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
SIOUX FALLS, SD 57104
SIOUX FALLS, SD 57104
SIOUX FALLS, SD 57104
SIOUX FALLS, SD 57104
SIOUX FALLS, SD 57104
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 Adam Walker's NPI number?
The NPI number for Adam Walker is 1649370784. It was assigned to this individual provider in the NPPES registry on September 25, 2006.
Where is Adam Walker located?
Adam Walker practices at 1210 W 18th St Ste 100, Sioux Falls, SD 57104. The listed phone number is (605) 312-8500.
What is Adam Walker's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Adam Walker enrolled in Medicare?
Yes. Adam Walker 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 Adam Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Adam Walker reassigns Medicare benefits to 3 organizations: Sanford Clinic (Sioux Falls, SD), Sanford Medical Center (Sioux Falls, SD) and Sanford Health Network (Canton, SD). 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 Adam Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Adam Walker accept?
Health plans from Blue Cross Blue Shield of North Dakota, Oscar Insurance Company, Sanford Health Plan, Security Health Plan and Wellmark Health Plan of Iowa, Inc. and 1 other insurer list Adam Walker 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 Adam Walker affiliated with any hospitals?
According to CMS data, Adam Walker is affiliated with Trinity Health Muskegon Hospital, Sanford Worthington Medical Center, Windom Area Health and Sanford Usd Medical Center.
When was this NPI record last updated?
The NPPES record for Adam Walker was last updated on July 3, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Adam R. Walker, CNP · NPI 1649370784
Nurse Practitioner physician in Sioux Falls, South Dakota. Individual provider, active in the CMS NPPES registry since September 25, 2006.
## Identity
- **NPI:** 1649370784 (Entity type: Individual)
- **Enumerated:** September 25, 2006
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** CP000481 (South Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 1210 W 18TH ST, STE 100, Sioux Falls, SD 57104-4647
- **Phone:** (605) 312-8500 · **Fax:** (605) 312-8501
## 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): Sanford Clinic (NPI 1457383424, Sioux Falls, SD); Sanford Medical Center (NPI 1093090342, Sioux Falls, SD); Sanford Health Network (NPI 1033140454, Canton, SD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** July 3, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1649370784) · Data from the CMS NPPES public registry.