Tha Dun, MD
Family Medicine Physician · Wilmington, DE
Tha Dun, MD is a family medicine physician with a practice address in Wilmington, Delaware, and NPI 1235240524, issued on Aug 31, 2006. Check the license (Delaware C1-0025368, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Tha Dun
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- C1-0025368 DE
Self-reported in NPPES; status is on the state search - Practice location
- 7 Country Gates Dr, Wilmington, DE 19810
- Phone
- (417) 440-9269
- Enumerated
- Aug 31, 2006
- Record last updated
- Jul 8, 2026
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 518 in Delaware → Look up another NPI →
Verify Tha Dun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C1-0025368Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
27 Medicare Part D claims for 18 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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.
Tha Dun among 518 family medicine physician records in Delaware
Tha Dun, MD is one of 518 family medicine physician records with a practice address in Delaware. 80% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 49% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2026 · 53% 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 Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
163 family medicine physician records list a practice address in Wilmington
They are 163 of the 6,291 NPPES records with a practice address in Wilmington, and 518 family medicine physician records in Delaware.
All 518 in Delaware → Every provider in Wilmington → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Margaret Conte, MDWilmington, DE 198101265421028
- Jeffrey Cramer, MDWilmington, DE 198101912981473
- John Daly, M.D.Wilmington, DE 198101134109101
- Kristine Diehl, MDWilmington, DE 198101245213933
- Valerie Elener, M.D.Wilmington, DE 198101801900816
- James Fierro, D.O.Wilmington, DE 198101154345379
- Jan Gavis, DOWilmington, DE 198101972663524
- Marc Grobman, D.O.Wilmington, DE 198101063484442
Common questions
What is Tha Dun, MD's NPI number?
Tha Dun, MD's National Provider Identifier (NPI) is 1235240524, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tha Dun, MD located?
The NPPES record lists a practice address at 7 Country Gates Dr, Wilmington, DE, 19810. Phone: (417) 440-9269. Providers update this record themselves, so call before visiting.
How can I verify Tha Dun, MD's license?
NPPES lists Delaware license number C1-0025368, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tha Dun, MD prescribe under Medicare Part D?
In 2024, Tha Dun, MD had 27 Medicare Part D claims for 18 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.