David Lyon Hackethorn, M.D.
Geriatric Medicine (Internal Medicine) Physician · College Station, TX
David Lyon Hackethorn, M.D. is a geriatric medicine (internal medicine) physician with a practice address in College Station, Texas, and NPI 1306806914, issued on Mar 27, 2006. Check the license (Texas E4377, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- David Lyon Hackethorn
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- E4377 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1700 University Dr E, College Station, TX 77840
- Phone
- (979) 691-3300
- Enumerated
- Mar 27, 2006
- Record last updated
- Nov 7, 2023
- Fax
- (979) 691-3527
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 256 in Texas → Look up another NPI →
Also registered at 1700 University Dr E
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Samuel Allen, PAPhysician Assistant1982667283
- Elise Applegate, PA-CPhysician Assistant1396088530
- Jason Boley, MDPsychiatry Physician1134185234
- Navatha Bondalapati, MDFamily Medicine Physician1588824882
Verify David Lyon Hackethorn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license E4377Check 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 geriatric medicine (internal medicine) physician in 2024
28 Medicare Part D claims, against an average of 4,246 among the 3,116 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.
David Lyon Hackethorn among 256 geriatric medicine (internal medicine) physician records in Texas
David Lyon Hackethorn, M.D. is one of 256 geriatric medicine (internal medicine) physician records with a practice address in Texas. 71% 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, 44% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2023 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Texas
There are 256 geriatric medicine (internal medicine) physician records in Texas.
All 256 in Texas → Every provider in College Station → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Maryann Choi, M.D.College Station, TX 778401982673083
- Leena Kodali, M.D.Navasota, TX 778681306045679
- Santos Soberon, M.D.Beaumont, TX 777021275540395
- Alejandro Arizmendi, MDHelotes, TX 780231457317232
- Chandrakant Patel, MDNederland, TX 776271134154545
- Aruna Agraharkar, MDWebster, TX 775981316044126
- Radha RaoPearland, TX 775841457465593
- Joel Salazar, MD., MCGPearland, TX 775841407952955
Common questions
What is David Lyon Hackethorn, M.D.'s NPI number?
David Lyon Hackethorn, M.D.'s National Provider Identifier (NPI) is 1306806914, issued on Mar 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Lyon Hackethorn, M.D. located?
The NPPES record lists a practice address at 1700 University Dr E, College Station, TX, 77840. Phone: (979) 691-3300. Providers update this record themselves, so call before visiting.
How can I verify David Lyon Hackethorn, M.D.'s license?
NPPES lists Texas license number E4377, 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 David Lyon Hackethorn, M.D. prescribe under Medicare Part D?
In 2024, David Lyon Hackethorn, M.D. had 28 Medicare Part D claims; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.