NPPES file of Aug 9, 2026

Rosanna Walker, DNP

Nurse Practitioner · Greenwood, SC

Rosanna Walker, DNP is a nurse practitioner with a practice address in Greenwood, South Carolina, and NPI 1306458237, issued on Aug 21, 2020. Check the license (South Carolina 24221, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1306458237
Name
Rosanna Walker
Credential
DNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
24221 SC
Self-reported in NPPES; status is on the state search
Practice location
408 W Alexander Ave, Greenwood, SC 29646
Phone
(864) 227-9393
Enumerated
Aug 21, 2020
Record last updated
Sep 7, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(864) 227-9377
Medicare enrollment
Enrolled (PECOS I20201012000845); accepts Medicare assignment
Medical or professional school
Medical University Of South Carolina College Of Medicine, 2020
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest nurse practitioner records → All 1,263 in South Carolina → Look up another NPI →

Also registered at 408 W Alexander Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Christie Brewster, FNP-BCNurse Practitioner1285971275
  2. Carmen Edwards, FNP-BCFamily Nurse Practitioner1144896796
  3. Joleen Shelton, NP-CFamily Nurse Practitioner1417259664
  4. Robert Todd, MDHospice and Palliative Medicine (Family Medicine) Physician1740283399
  5. Nancy Wicker, MDHospice and Palliative Medicine (Family Medicine) Physician1487973780

Verify Rosanna Walker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
    Search for license 24221    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the South Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.3 times the Medicare Part D claims of the average nurse practitioner in 2024

2,527 Medicare Part D claims for 539 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 30 claims were for opioids.

  1. Rosanna Walker2,527
  2. Specialty average1,109

Most prescribed

  1. Prednisone88 claims
  2. Amlodipine Besylate82 claims
  3. Meloxicam78 claims
  4. Omeprazole78 claims
  5. Lisinopril77 claims
  6. Rosuvastatin Calcium75 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.

Industry payments in 2024: $144.00

6 payments; by number, the most common kind was food and beverage; the largest payer was Lundbeck 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.

  1. Rosanna Walker$144.00
  2. Specialty average$791.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Abbeville County Memorial HospitalAbbeville, SC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Rosanna Walker among 1,263 nurse practitioner records in South Carolina

Rosanna Walker, DNP is one of 1,263 nurse practitioner records with a practice address in South Carolina. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 61% of them.

  • NPI issued2020 · 61% of these records are older, 33% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2020 · median 2018 among the 791 with a school on file
  • Record last updated2020 · 39% 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 Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

18 nurse practitioner records list a practice address in Greenwood

They are 18 of the 1,262 NPPES records with a practice address in Greenwood, and 1,263 nurse practitioner records in South Carolina.

All 1,263 in South Carolina → Every provider in Greenwood → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Stephen Boucher, APRNGreenwood, SC 296461730728031
  2. Andrea Branyon, APRN, FNP-BCGreenwood, SC 296461518636349
  3. Christie Brewster, FNP-BCGreenwood, SC 296461285971275
  4. Rachel Case, NPGreenwood, SC 296461104011592
  5. Sheila Eidson, NPGreenwood, SC 296461366981052
  6. Etoy Flemmings, APRNGreenwood, SC 296461750038659
  7. Jill Gilchrist, NPGreenwood, SC 296461588809842
  8. Casey Holliday, DNP, FNP-CGreenwood, SC 296461205403219

Common questions

What is Rosanna Walker, DNP's NPI number?

Rosanna Walker, DNP's National Provider Identifier (NPI) is 1306458237, issued on Aug 21, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Rosanna Walker, DNP located?

The NPPES record lists a practice address at 408 W Alexander Ave, Greenwood, SC, 29646. Phone: (864) 227-9393. Providers update this record themselves, so call before visiting.

How can I verify Rosanna Walker, DNP's license?

NPPES lists South Carolina license number 24221, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.

How much does Rosanna Walker, DNP prescribe under Medicare Part D?

In 2024, Rosanna Walker, DNP had 2,527 Medicare Part D claims for 539 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.