NPPES file of Aug 9, 2026

Alexander Marchek

Family Medicine Physician · Seneca, SC

Alexander Marchek is a family medicine physician with a practice address in Seneca, South Carolina, and NPI 1801591888, issued on Mar 31, 2023. Check the license (South Carolina LL89987, 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
1801591888
Name
Alexander Marchek
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
LL89987 SC
Self-reported in NPPES; status is on the state search
Practice location
139 Lila Doyle Dr, Seneca, SC 29672
Phone
(864) 482-3493
Enumerated
Mar 31, 2023
Record last updated
Jul 12, 2023
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 139 Lila Doyle Dr

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

  1. Hashim Ahmed, MDFamily Medicine Physician1477202778
  2. Alexis AlmeidaFamily Medicine Physician1164162327
  3. Xavier AlstonFamily Medicine Physician1275238248
  4. Ronni Ayala, NPFamily Nurse Practitioner1467891895
  5. Diwas BamFamily Medicine Physician1760233084
  6. Katherine Beben, MDFamily Medicine Physician1235322736

Verify Alexander Marchek 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 LL89987
    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.

85% fewer Medicare Part D claims than the average family medicine physician in 2024

515 Medicare Part D claims for 106 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 20 claims were for opioids.

  1. Alexander Marchek515
  2. Specialty average3,544

Most prescribed

  1. Lisinopril27 claims
  2. Amlodipine Besylate25 claims
  3. Losartan Potassium19 claims
  4. Albuterol Sulfate Hfa18 claims
  5. Rosuvastatin Calcium18 claims
  6. Cyclobenzaprine Hcl15 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: $23.31

1 payment: food and beverage; the largest payer was Novo Nordisk Inc. 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. Alexander Marchek$23.31
  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.

Alexander Marchek among 2,700 family medicine physician records in South Carolina

Alexander Marchek is one of 2,700 family medicine physician records with a practice address in South Carolina. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 89% of them.

  • NPI issued2023 · 89% of these records are older, 8% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 61% of these records are
  • Record last updated2023 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

56 family medicine physician records list a practice address in Seneca

They are 56 of the 697 NPPES records with a practice address in Seneca, and 2,700 family medicine physician records in South Carolina.

The 8 family medicine physician records with the nearest ZIP codes

  1. Katherine Beben, MDSeneca, SC 296721235322736
  2. Jennifer Hanke, DOSeneca, SC 296721841417037
  3. Megan Hanna, MDSeneca, SC 296721407412281
  4. Elizabeth Harpster, M.D.Seneca, SC 296721295186740
  5. Joel Kidd, M.D.Seneca, SC 296721841266400
  6. William King, MDSeneca, SC 296721659352003
  7. Courtney Kodweis, DOSeneca, SC 296721114547452
  8. Kasey McDonald, DOSeneca, SC 296721881216638

Common questions

What is Alexander Marchek's NPI number?

Alexander Marchek's National Provider Identifier (NPI) is 1801591888, issued on Mar 31, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Marchek located?

The NPPES record lists a practice address at 139 Lila Doyle Dr, Seneca, SC, 29672. Phone: (864) 482-3493. Providers update this record themselves, so call before visiting.

How can I verify Alexander Marchek's license?

NPPES lists South Carolina license number LL89987, 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 Alexander Marchek prescribe under Medicare Part D?

In 2024, Alexander Marchek had 515 Medicare Part D claims for 106 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.