NPPES file of Aug 9, 2026

Martin A. Duclos, M.D.

Internal Medicine Physician · Conway, SC

Martin A. Duclos, M.D. is an internal medicine physician with a practice address in Conway, South Carolina, and NPI 1063475192, issued on Apr 10, 2006. Check the license (South Carolina 26837, 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
1063475192
Name
Martin A. Duclos
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
26837 SC
Self-reported in NPPES; status is on the state search
Practice location
300 Singleton Ridge RD, Conway, SC 29526
Phone
(843) 347-1523
Enumerated
Apr 10, 2006
Record last updated
Jul 13, 2026
Fax
(843) 234-6722
Medicare enrollment
Enrolled (PECOS I20230203001758); accepts Medicare assignment
Medical or professional school
New York Medical College, 1995
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 300 Singleton Ridge RD

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

  1. Kimberley AdySpeech-Language Pathologist1043677594
  2. Radhica Agarwal, MDStudent in an Organized Health Care Education/Training Program1548840473
  3. Alyssa AlfanoOccupational Therapist1770278632
  4. Raymond Allen, M.D.Anatomic Pathology & Clinical Pathology Physician1679700504
  5. Lindsi Angel, CRNACertified Registered Nurse Anesthetist1801589072
  6. Miranda Apel, R.D.Registered Dietitian1407175011

Verify Martin A. Duclos 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 26837
    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.

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Most of these Medicare Part D claims are vaccines, 96% of the cost of the top drugs

133,641 Medicare Part D claims for 95,849 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were over 99% of claims. 29 claims were for opioids.

  1. Martin Duclos133,641
  2. Specialty average3,176

Most prescribed

Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.

  1. Shingrix55,335 claims
  2. Arexvy35,769 claims
  3. Abrysvo17,801 claims
  4. Boostrix Tdap16,725 claims
  5. Twinrix4,405 claims
  6. Adacel Tdap1,497 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: $871.40

5 payments; by number, the most common kind was food and beverage; the largest payer was Cardinal Health 110 LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Martin Duclos$871.40
  2. Specialty average$1,303.06

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. Southeastern Physician Services PCMemphis, TN

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

21 internal medicine physician records list a practice address in Conway

They are 21 of the 1,257 NPPES records with a practice address in Conway, and 1,881 internal medicine physician records in South Carolina.

Other internal medicine physician records in South Carolina

  1. Sheharyar Abbasi, DOMyrtle Beach, SC1619617222
  2. John Abbott, M.D.Sumter, SC1093830762
  3. Amjad Abdulrahman, MDIrmo, SC1194718841
  4. Alvin Abinsay, M.D.Marion, SC1689608002
  5. Izabela Abissi, DOCharleston, SC1376387803
  6. Tinu Abraham, MDGreenwood, SC1194354399
  7. Natallia Abramovich, MDSeneca, SC1568647949
  8. Ibrahim Abu Dayah, MDMyrtle Beach, SC1306368667
  9. Lauren Abusal, MD, MSCRMyrtle Beach, SC1093552911
  10. John Adams, MDElgin, SC1750395570

Common questions

What is Martin A. Duclos, M.D.'s NPI number?

Martin A. Duclos, M.D.'s National Provider Identifier (NPI) is 1063475192, issued on Apr 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Martin A. Duclos, M.D. located?

The NPPES record lists a practice address at 300 Singleton Ridge RD, Conway, SC, 29526. Phone: (843) 347-1523. Providers update this record themselves, so call before visiting.

How can I verify Martin A. Duclos, M.D.'s license?

NPPES lists South Carolina license number 26837, 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 Martin A. Duclos, M.D. prescribe under Medicare Part D?

In 2024, Martin A. Duclos, M.D. had 133,641 Medicare Part D claims for 95,849 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.