NPPES file of Aug 9, 2026

Kathleen Clark, D.O.

Emergency Medicine Physician · Greenville, SC

Kathleen Clark, D.O. is an emergency medicine physician with a practice address in Greenville, South Carolina, and NPI 1164836557, issued on Jun 13, 2014. Check the license (South Carolina 51939, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164836557
Name
Kathleen Clark
Credential
D.O.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
51939 SC
Self-reported in NPPES; status is on the state search
Practice location
701 Grove RD FL 1, Greenville, SC 29605
Phone
(864) 455-7899
Enumerated
Jun 13, 2014
Record last updated
Mar 6, 2025
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.
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Also registered at 701 Grove RD FL 1

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

  1. Katherine AldenPsychiatry Physician1598405649
  2. Judson Alderman, M.D.Emergency Medicine Physician1043667629
  3. Henrique Alencastro Puls, MDCritical Care Medicine (Anesthesiology) Physician1568969723
  4. Fariya Ali, M.D.Psychiatry Physician1891220497
  5. Jordan AllenEmergency Medicine Physician1154958452
  6. Wallace Anderson, MDEmergency Medicine Physician1467080762

Verify Kathleen Clark 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 51939
    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

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2% fewer Medicare Part D claims than the average emergency medicine physician in 2024

222 Medicare Part D claims for 131 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 22 claims were for opioids.

  1. Kathleen Clark222
  2. Specialty average226

Most prescribed

  1. Cephalexin26 claims
  2. Ondansetron Odt20 claims
  3. Amoxicillin-Clavulanate Potass14 claims
  4. Azithromycin13 claims
  5. Prednisone11 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: $20.73

1 payment: food and beverage; the largest payer was Csl Behring. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kathleen Clark$20.73
  2. Specialty average$953.79

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

Kathleen Clark among 1,244 emergency medicine physician records in South Carolina

Kathleen Clark, D.O. is one of 1,244 emergency medicine physician records with a practice address in South Carolina. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 59% of them.

  • NPI issued2014 · 59% of these records are older, 38% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2025 · 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 207P00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

279 emergency medicine physician records list a practice address in Greenville

They are 279 of the 10,264 NPPES records with a practice address in Greenville, and 1,244 emergency medicine physician records in South Carolina.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Elizabeth Atkinson, M.D.Greenville, SC 296051659343507
  2. David Circle, MDGreenville, SC 296051427011931
  3. Gregory Cromer, MDGreenville, SC 296051366410490
  4. John Crumpler, M.D.Greenville, SC 296051093788796
  5. Sarah Fabiano, MDGreenville, SC 296051972585438
  6. Jesse Felder, MDGreenville, SC 296051124081534
  7. Frank Ferlisi, MDGreenville, SC 296051013970433
  8. Eric Goedecke, D.O.Greenville, SC 296051811964265

Common questions

What is Kathleen Clark, D.O.'s NPI number?

Kathleen Clark, D.O.'s National Provider Identifier (NPI) is 1164836557, issued on Jun 13, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Kathleen Clark, D.O. located?

The NPPES record lists a practice address at 701 Grove RD FL 1, Greenville, SC, 29605. Phone: (864) 455-7899. Providers update this record themselves, so call before visiting.

How can I verify Kathleen Clark, D.O.'s license?

NPPES lists South Carolina license number 51939, 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 Kathleen Clark, D.O. prescribe under Medicare Part D?

In 2024, Kathleen Clark, D.O. had 222 Medicare Part D claims for 131 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.