NPPES file of Aug 9, 2026

Thomas D. Marsden, DDS

General Practice Dentistry · San Angelo, TX

Thomas D. Marsden, DDS is a general practice dentistry with a practice address in San Angelo, Texas, and NPI 1437126919, issued on Mar 3, 2006. Check the license (Texas 14662, as entered in NPPES) with the Texas board that licenses this profession; 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
1437126919
Name
Thomas D. Marsden
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
14662 TX
Self-reported in NPPES; status is on the state search
Practice location
2019 W Beauregard Ave, San Angelo, TX 76901
Phone
(325) 655-8992
Enumerated
Mar 3, 2006
Record last updated
Feb 3, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(325) 942-9088
Medicaid ID
0084154-01 TX
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

8 nearest general practice dentistry records → All 10,056 in Texas → Look up another NPI →

Verify Thomas D. Marsden in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 14662    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
Find the Texas 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.

2.1 times the Medicare Part D claims of the average general practice dentistry in 2024

175 Medicare Part D claims for 102 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Thomas Marsden175
  2. Specialty average83

Most prescribed

  1. Penicillin V Potassium64 claims
  2. Chlorhexidine Gluconate59 claims
  3. Clindamycin Hcl23 claims
  4. Amoxicillin19 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.

Thomas D. Marsden among 10,056 general practice dentistry records in Texas

Thomas D. Marsden, DDS is one of 10,056 general practice dentistry records with a practice address in Texas. 64% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 73% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2016 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

36 general practice dentistry records list a practice address in San Angelo

They are 36 of the 1,796 NPPES records with a practice address in San Angelo, and 10,056 general practice dentistry records in Texas.

All 10,056 in Texas → Every provider in San Angelo → General Practice Dentistry nationwide →

The 8 general practice dentistry records with the nearest ZIP codes

  1. Marissa Blackwell, DDSSan Angelo, TX 769011548790207
  2. Deborah Boudreaux, DDSHouston, TX 769011669480307
  3. Shweta Deshmukh, DMDSan Angelo, TX 769011053972745
  4. Kate Matthews-Pollard, D.D.SSan Angelo, TX 769011922177906
  5. Dale McDonald, DDSSan Angelo, TX 769011194876508
  6. Carl McGill, DDSSan Angelo, TX 769011336230382
  7. Ricardo Ochinang, D.M.D.San Angelo, TX 769011972699379
  8. Okey Okechukwu, DDSSan Angelo, TX 769011902156490

Common questions

What is Thomas D. Marsden, DDS's NPI number?

Thomas D. Marsden, DDS's National Provider Identifier (NPI) is 1437126919, issued on Mar 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas D. Marsden, DDS located?

The NPPES record lists a practice address at 2019 W Beauregard Ave, San Angelo, TX, 76901. Phone: (325) 655-8992. Providers update this record themselves, so call before visiting.

How can I verify Thomas D. Marsden, DDS's license?

NPPES lists Texas license number 14662, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Thomas D. Marsden, DDS prescribe under Medicare Part D?

In 2024, Thomas D. Marsden, DDS had 175 Medicare Part D claims for 102 beneficiaries; the average among general practice dentistry prescribers was 83. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.