Dian Horton, M.D.
Family Medicine Physician · Kerrville, TX
Dian Horton, M.D. is a family medicine physician with a practice address in Kerrville, Texas, and NPI 1447781273, issued on Mar 23, 2017. Check the license (Texas S4158, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Dian Horton
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- S4158 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1331 Bandera Hwy Ste 4, Kerrville, TX 78028
- Phone
- (830) 258-7762
- Enumerated
- Mar 23, 2017
- Record last updated
- Sep 29, 2023
- Medicare enrollment
- Enrolled (PECOS I20200715001947); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 1331 Bandera Hwy Ste 4
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Stephanie Calderon, FNP-CFamily Nurse Practitioner1851043384
- Pamela Cantu, M.D.Internal Medicine Physician1437107901
- Michael Shaffer, DOFamily Medicine Physician1417949983
- Tyler Ulmer, DOFamily Medicine Physician1801419627
Verify Dian Horton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S4158Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average family medicine physician in 2024
3,009 Medicare Part D claims for 424 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 32 claims were for opioids.
Most prescribed
- Atorvastatin Calcium158 claims
- Levothyroxine Sodium121 claims
- Amlodipine Besylate110 claims
- Lisinopril102 claims
- Gabapentin88 claims
- Losartan Potassium88 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: $94.45
6 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Peterson Medical AssociatesKerrville, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dian Horton among 11,119 family medicine physician records in Texas
Dian Horton, M.D. is one of 11,119 family 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 2017, is newer than 80% of them.
- NPI issued2017 · 80% of these records are older, 18% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2017 · median 2004 among the 7,095 with a school on file
- Record last updated2023 · 51% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 family medicine physician records list a practice address in Kerrville
They are 24 of the 852 NPPES records with a practice address in Kerrville, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Kerrville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Douglas Buchanan, M.D.Kerrville, TX 780281043277486
- Jon Chancellor, MDKerrville, TX 780281598708794
- John Davis, M.D.Kerrville, TX 780281639286560
- Odus Franklin, DOKerrville, TX 780281659397669
- James Graham, MDKerrville, TX 780281669450797
- Arturo Llanos, M.D.Kerrville, TX 780281477551901
- William Odonnell, MDKerrville, TX 780281326141854
- Bridget Robledo, MDKerrville, TX 780281841297652
Common questions
What is Dian Horton, M.D.'s NPI number?
Dian Horton, M.D.'s National Provider Identifier (NPI) is 1447781273, issued on Mar 23, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Dian Horton, M.D. located?
The NPPES record lists a practice address at 1331 Bandera Hwy Ste 4, Kerrville, TX, 78028. Phone: (830) 258-7762. Providers update this record themselves, so call before visiting.
How can I verify Dian Horton, M.D.'s license?
NPPES lists Texas license number S4158, 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 Dian Horton, M.D. prescribe under Medicare Part D?
In 2024, Dian Horton, M.D. had 3,009 Medicare Part D claims for 424 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.