Adam R. Walker, CNP
Nurse Practitioner · Sioux Falls, SD
Adam R. Walker, CNP is a nurse practitioner with a practice address in Sioux Falls, South Dakota, and NPI 1649370784, issued on Sep 25, 2006. Check the license (South Dakota CP000481, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Adam R. Walker
- Credential
- CNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- CP000481 SD
Self-reported in NPPES; status is on the state search - Practice location
- 1210 W 18TH St, Sioux Falls, SD 57104
- Phone
- (605) 312-8500
- Enumerated
- Sep 25, 2006
- Record last updated
- Jul 3, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (605) 312-8501
- Medicare enrollment
- Enrolled (PECOS I20061211000239); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 465 in South Dakota → Look up another NPI →
Also registered at 1210 W 18TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Adam R. Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
Search for license CP000481Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average nurse practitioner in 2024
65 Medicare Part D claims for 36 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 33 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen26 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $59.01
3 payments; by number, the most common kind was food and beverage; the largest payer was Bioventus LLC. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Sanford ClinicMitchell, SD
- Sanford Medical CenterSioux Falls, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Adam R. Walker among 465 nurse practitioner records in South Dakota
Adam R. Walker, CNP is one of 465 nurse practitioner records with a practice address in South Dakota. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 84% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2006 · median 2018 among the 331 with a school on file
- Record last updated2019 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
239 nurse practitioner records list a practice address in Sioux Falls
They are 239 of the 6,563 NPPES records with a practice address in Sioux Falls, and 465 nurse practitioner records in South Dakota.
All 465 in South Dakota → Every provider in Sioux Falls → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Robin Arends, CNPSioux Falls, SD 571041063660363
- Lisa AtnipSioux Falls, SD 571041861684995
- Valerie Folkens, CNPSioux Falls, SD 571041689953879
- Rebecca Frankenstein, CNPSioux Falls, SD 571041275667834
- Laurie Gromer, CNPSioux Falls, SD 571041851361216
- Susan Halbritter, CNPSioux Falls, SD 571041295788271
- Kelly HeftiSioux Falls, SD 571041285855155
- Emily Hutchinson, CNPSioux Falls, SD 571041255610572
Common questions
What is Adam R. Walker, CNP's NPI number?
Adam R. Walker, CNP's National Provider Identifier (NPI) is 1649370784, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Adam R. Walker, CNP located?
The NPPES record lists a practice address at 1210 W 18TH St, Sioux Falls, SD, 57104. Phone: (605) 312-8500. Providers update this record themselves, so call before visiting.
How can I verify Adam R. Walker, CNP's license?
NPPES lists South Dakota license number CP000481, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.
How much does Adam R. Walker, CNP prescribe under Medicare Part D?
In 2024, Adam R. Walker, CNP had 65 Medicare Part D claims for 36 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Adam R. Walker, CNP's MIPS final score?
The 2023 MIPS final score is 76.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.