Keith Douglas Horner, MD
Family Medicine Physician · Waco, TX
Keith Douglas Horner, MD is a family medicine physician with a practice address in Waco, Texas, and NPI 1235103334, issued on Feb 15, 2006. Check the license (Texas H4421, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Keith Douglas Horner
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- H4421 TX
Self-reported in NPPES; status is on the state search - Practice location
- 342 Richland West Cir, Waco, TX 76712
- Phone
- (254) 537-0200
- Enumerated
- Feb 15, 2006
- Record last updated
- Jan 20, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (254) 537-0201
- Medicaid ID
- 128110705 TX
- Medicare enrollment
- Enrolled (PECOS I20100208000260); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 342 Richland West Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marcial Lewin, MDNeurological Surgery Physician1841284866
Verify Keith Douglas Horner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license H4421Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average family medicine physician in 2024
9,034 Medicare Part D claims for 554 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. 119 claims were for opioids.
Most prescribed
- Atorvastatin Calcium565 claims
- Levothyroxine Sodium416 claims
- Amlodipine Besylate332 claims
- Lisinopril290 claims
- Pantoprazole Sodium287 claims
- Losartan Potassium285 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 74.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $331.19
15 payments; by number, the most common kind was food and beverage; the largest payer was Amgen 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 2 group practices
- Legacy Healthcare Services IncWaco, TX
- Providence Health AllianceWaco, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Keith Douglas Horner among 11,119 family medicine physician records in Texas
Keith Douglas Horner, MD 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1987 · median 2004 among the 7,095 with a school on file
- Record last updated2011 · 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).
190 family medicine physician records list a practice address in Waco
They are 190 of the 3,295 NPPES records with a practice address in Waco, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Waco → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- John Burbidge, DOWaco, TX 767121841277639
- James Graham, MDWaco, TX 767121508839515
- Horace Hinson, MDWaco, TX 767121699747253
- Kyle James, MDWaco, TX 767121497745426
- Lisa Kirk, D.O.Waco, TX 767121578562146
- John Kosarek, MDWaco, TX 767121538132840
- Felicia Macik, D.O.Waco, TX 767121144293242
- Matthew Porter, MDWaco, TX 767121023095676
Common questions
What is Keith Douglas Horner, MD's NPI number?
Keith Douglas Horner, MD's National Provider Identifier (NPI) is 1235103334, issued on Feb 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Keith Douglas Horner, MD located?
The NPPES record lists a practice address at 342 Richland West Cir, Waco, TX, 76712. Phone: (254) 537-0200. Providers update this record themselves, so call before visiting.
How can I verify Keith Douglas Horner, MD's license?
NPPES lists Texas license number H4421, 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 Keith Douglas Horner, MD prescribe under Medicare Part D?
In 2024, Keith Douglas Horner, MD had 9,034 Medicare Part D claims for 554 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Keith Douglas Horner, MD's MIPS final score?
The 2023 MIPS final score is 74.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.