NPPES file of Aug 9, 2026

Sherri McMahan, NP

Nurse Practitioner · Walhalla, SC

Sherri McMahan, NP is a nurse practitioner with a practice address in Walhalla, South Carolina, and NPI 1669820726, issued on May 31, 2016. Check the license (South Carolina 20167, 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
1669820726
Name
Sherri McMahan
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
20167 SC
Self-reported in NPPES; status is on the state search
Practice location
103 Whitetail Dr, Walhalla, SC 29691
Phone
(864) 638-3444
Enumerated
May 31, 2016
Record last updated
Aug 11, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(864) 638-3445
Medicare enrollment
Enrolled (PECOS I20170214001182); accepts Medicare assignment
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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Also registered at 103 Whitetail Dr

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

  1. Keri Dickson, FNPFamily Nurse Practitioner1902351190
  2. Sarah Fabry, D.O.Family Medicine Physician1154703783
  3. Dachely HernandezFamily Nurse Practitioner1427849082
  4. Holly Munson, D.O.Family Medicine Physician1750795787
  5. Margot Rabren, NP-CGerontology Nurse Practitioner1881291722
  6. Cameron Swofford-Price, DOFamily Medicine Physician1316527849

Verify Sherri McMahan 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 20167
    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

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

5,083 Medicare Part D claims for 589 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 80 claims were for opioids.

  1. Sherri McMahan5,083
  2. Specialty average1,109

Most prescribed

  1. Atorvastatin Calcium205 claims
  2. Levothyroxine Sodium204 claims
  3. Amlodipine Besylate168 claims
  4. Rosuvastatin Calcium158 claims
  5. Omeprazole152 claims
  6. Lisinopril140 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: $318.76

5 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. 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. Sherri McMahan$318.76
  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. Prisma Health University Medical GroupWalhalla, SC

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

1 nurse practitioner records list a practice address in Walhalla

They are 1 of the 69 NPPES records with a practice address in Walhalla, and 1,263 nurse practitioner records in South Carolina.

Other nurse practitioner records in South Carolina

  1. Connie Abbott, ARNP BCDue West, SC1568427540
  2. Michelle Abel, PNP-PCSpartanburg, SC1639977762
  3. Margaret Acres, APRNGreenville, SC1700086840
  4. Erica Adams, FNP-BCLancaster, SC1659176048
  5. Jeremy Adams, FNP-CFort Mill, SC1568942696
  6. Mary Adler, NPCharleston, SC1760790075
  7. Ileen AikenGreenville, SC1861989147
  8. Sheryl Aiken, DNPMurrells Inlet, SC1902327554
  9. Tara Alewine, DNPCharleston, SC1316644875
  10. Ann Alexander, RN MN CFNPLexington, SC1205829348

Common questions

What is Sherri McMahan, NP's NPI number?

Sherri McMahan, NP's National Provider Identifier (NPI) is 1669820726, issued on May 31, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Sherri McMahan, NP located?

The NPPES record lists a practice address at 103 Whitetail Dr, Walhalla, SC, 29691. Phone: (864) 638-3444. Providers update this record themselves, so call before visiting.

How can I verify Sherri McMahan, NP's license?

NPPES lists South Carolina license number 20167, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.

How much does Sherri McMahan, NP prescribe under Medicare Part D?

In 2024, Sherri McMahan, NP had 5,083 Medicare Part D claims for 589 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.

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.