NPPES file of Aug 9, 2026

David Taplin Marshall, MD

Radiation Oncology Physician · Charleston, SC

David Taplin Marshall, MD is a radiation oncology physician with a practice address in Charleston, South Carolina, and NPI 1083669527, issued on May 23, 2006. Check the license (South Carolina 27463, 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
1083669527
Name
David Taplin Marshall
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
27463 SC
Self-reported in NPPES; status is on the state search
Practice location
171 Ashley Ave, Charleston, SC 29425
Phone
(843) 792-1414
Enumerated
May 23, 2006
Record last updated
Oct 14, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
274633 SC
Medicare enrollment
Enrolled (PECOS I20050214000358); accepts Medicare assignment
Medical or professional school
University Of Texas Southwestern Medical School At Dallas, 1995
Telehealth
Offers telehealth (CMS)
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 171 Ashley Ave

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

  1. Andrea Abbott, MDSurgical Oncology Physician1245473354
  2. Miguel Abboud, MDPediatric Hematology & Oncology Physician1619292851
  3. Ahmed Abdelkader, MD, PHDNephrology Physician1629743000
  4. Mohamed Abdelwahab, MDOtolaryngology Physician1528679768
  5. Anne Abel, MDChild Abuse Pediatrics Physician1043328990
  6. Christina Abrams, M.D.Pediatric Hematology & Oncology Physician1376920207

Verify David Taplin Marshall 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 27463
    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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2.7 times the Medicare Part D claims of the average radiation oncology physician in 2024

367 Medicare Part D claims for 91 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. David Marshall367
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl190 claims
  2. Orgovyx41 claims
  3. Oxybutynin Chloride Er36 claims
  4. Venlafaxine Hcl Er33 claims
  5. Celecoxib17 claims
  6. Silodosin16 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: $27.72

1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Marshall$27.72
  2. Specialty average$1,897.85

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. University Medical Associates OF The Medical University OF South CarolCharleston, SC

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

David Taplin Marshall among 80 radiation oncology physician records in South Carolina

David Taplin Marshall, MD is one of 80 radiation oncology physician records with a practice address in South Carolina. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.

  • NPI issued2006 · 14% of these records are older, 46% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated1995 · median 2003 among the 62 with a school on file
  • Record last updated2020 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in South Carolina

There are 80 radiation oncology physician records in South Carolina.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Eric Aguero, MDCharleston, SC 294251457308678
  2. Bhishamjit Chera, M.D.Charleston, SC 294251265522593
  3. Samuel Cooper, M.D.Charleston, SC 294251578724878
  4. Harriet Eldredge-Hindy, MDCharleston, SC 294251629395223
  5. Jennifer Harper, MDCharleston, SC 294251790725695
  6. Joseph Jenrette, MDCharleston, SC 294251194777243
  7. Brian Lally, MDCharleston, SC 294251114102407
  8. Stephanie Myers, MDCharleston, SC 294251538796602

Common questions

What is David Taplin Marshall, MD's NPI number?

David Taplin Marshall, MD's National Provider Identifier (NPI) is 1083669527, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Taplin Marshall, MD located?

The NPPES record lists a practice address at 171 Ashley Ave, Charleston, SC, 29425. Phone: (843) 792-1414. Providers update this record themselves, so call before visiting.

How can I verify David Taplin Marshall, MD's license?

NPPES lists South Carolina license number 27463, 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 David Taplin Marshall, MD prescribe under Medicare Part D?

In 2024, David Taplin Marshall, MD had 367 Medicare Part D claims for 91 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.