NPPES file of Aug 9, 2026

Mark D. Walsh, MD

Family Medicine Physician · Liberty, SC

Mark D. Walsh, MD is a family medicine physician with a practice address in Liberty, South Carolina, and NPI 1265473813, issued on Jun 8, 2006. Check the license (South Carolina 20774, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265473813
Name
Mark D. Walsh
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20774 SC
Self-reported in NPPES; status is on the state search
Practice location
300 W Front St, Liberty, SC 29657
Phone
(864) 843-5605
Enumerated
Jun 8, 2006
Record last updated
Sep 21, 2023
Fax
(864) 843-0996
Medicaid ID
207742 SC
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 300 W Front St

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

  1. Lorenzo BlackFamily Nurse Practitioner1548886062
  2. Stacy Browder, FNP-BCFamily Nurse Practitioner1699114561
  3. Lori Carnsew, MDFamily Medicine Physician1497713143
  4. Sandra Franklin, F.N.P.Family Nurse Practitioner1336255108
  5. Ruth Geide, NP-CFamily Nurse Practitioner1962752519
  6. Morgan Hooker, FNP-CFamily Nurse Practitioner1801572441

Verify Mark D. Walsh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license 20774
    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
Open 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

20% fewer Medicare Part D claims than the average family medicine physician in 2024

2,818 Medicare Part D claims for 261 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 20 claims were for opioids.

  1. Mark Walsh2,818
  2. Specialty average3,544

Most prescribed

  1. Rosuvastatin Calcium120 claims
  2. Albuterol Sulfate Hfa103 claims
  3. Levothyroxine Sodium93 claims
  4. Trazodone Hcl83 claims
  5. Omeprazole81 claims
  6. Fluticasone Propionate79 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 MIPS final score for 2023 (Medicare payment program): 92.4 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score84.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $425.74

26 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Walsh$425.74
  2. Specialty average$902.55

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

4 family medicine physician records list a practice address in Liberty

They are 4 of the 39 NPPES records with a practice address in Liberty, and 2,700 family medicine physician records in South Carolina.

Other family medicine physician records in South Carolina

  1. Fiby Abd El Malek, M.D.Greenville, SC1215222047
  2. Marwa Abdel Meguid, MD, MSAiken, SC1912646555
  3. Souzan Abdel-Samie, M.DSummerville, SC1144514266
  4. Dustin Abele, M.D.Spartanburg, SC1851771349
  5. Stoney Abercrombie, MDAnderson, SC1093732430
  6. Olabisi Abisogun, MDGreer, SC1366940157
  7. Samson Abolaji, MDFlorence, SC1922946714
  8. Joseph Abraham, M.D.Anderson, SC1497934657
  9. Sheron Abraham, D.O.Florence, SC1447548144
  10. Fareeha AbrarGreer, SC1497506703

Common questions

What is Mark D. Walsh, MD's NPI number?

Mark D. Walsh, MD's National Provider Identifier (NPI) is 1265473813, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark D. Walsh, MD located?

The NPPES record lists a practice address at 300 W Front St, Liberty, SC, 29657. Phone: (864) 843-5605. Providers update this record themselves, so call before visiting.

How can I verify Mark D. Walsh, MD's license?

NPPES lists South Carolina license number 20774, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark D. Walsh, MD prescribe under Medicare Part D?

In 2024, Mark D. Walsh, MD had 2,818 Medicare Part D claims for 261 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Mark D. Walsh, MD's MIPS final score?

The 2023 MIPS final score is 92.4 of 100. 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.