NPPES file of Aug 9, 2026

Cynthia Swayze Smith, DO

Internal Medicine Physician · Dallas, TX

Cynthia Swayze Smith, DO is an internal medicine physician with a practice address in Dallas, Texas, and NPI 1750358065, issued on Mar 6, 2006. Check the license (Texas L4741, as entered in NPPES) on the Texas Medical Board; 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
1750358065
Name
Cynthia Swayze Smith
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
L4741 TX
Self-reported in NPPES; status is on the state search
Practice location
7777 Forest LN Bld C, Dallas, TX 75230
Phone
(214) 828-6373
Enumerated
Mar 6, 2006
Record last updated
Jul 13, 2026
Fax
(214) 828-6389
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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Verify Cynthia Swayze Smith in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L4741
    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 Texas license search

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79% fewer Medicare Part D claims than the average internal medicine physician in 2024

654 Medicare Part D claims for 41 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 18 claims were for opioids.

  1. Cynthia Swayze Smith654
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium33 claims
  2. Rosuvastatin Calcium31 claims
  3. Tizanidine Hcl26 claims
  4. Losartan Potassium25 claims
  5. Atorvastatin Calcium22 claims
  6. Losartan-Hydrochlorothiazide17 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.

Cynthia Swayze Smith among 9,175 internal medicine physician records in Texas

Cynthia Swayze Smith, DO is one of 9,175 internal medicine physician records with a practice address in Texas. 82% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2026 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

956 internal medicine physician records list a practice address in Dallas

They are 956 of the 36,304 NPPES records with a practice address in Dallas, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Robert Beard, M.D.Dallas, TX 752301710901764
  2. Laura Defina, M.D.Dallas, TX 752301720191026
  3. Shalaun Hawkins, MDDallas, TX 752301295729911
  4. David Haymes, MDDallas, TX 752301861471724
  5. Malcolm Horne, M DDallas, TX 752301811005556
  6. Afsaneh Ighani, MDDallas, TX 752301245335793
  7. Valerie Liao, M.D.Dallas, TX 752301588645170
  8. Shay Mayya, MDDallas, TX 752301366499220

Common questions

What is Cynthia Swayze Smith, DO's NPI number?

Cynthia Swayze Smith, DO's National Provider Identifier (NPI) is 1750358065, issued on Mar 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Cynthia Swayze Smith, DO located?

The NPPES record lists a practice address at 7777 Forest LN Bld C, Dallas, TX, 75230. Phone: (214) 828-6373. Providers update this record themselves, so call before visiting.

How can I verify Cynthia Swayze Smith, DO's license?

NPPES lists Texas license number L4741, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Cynthia Swayze Smith, DO prescribe under Medicare Part D?

In 2024, Cynthia Swayze Smith, DO had 654 Medicare Part D claims for 41 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.