Clayton Koontz Massey, M.D.
Emergency Medicine Physician · Temple, TX
Clayton Koontz Massey, M.D. is an emergency medicine physician with a practice address in Temple, Texas, and NPI 1811216542, issued on May 20, 2010. Check the license (Texas P8275, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Clayton Koontz Massey
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- P8275 TX
BP10037110 TX
Self-reported in NPPES; status is on the state search - Practice location
- Scott & White, Temple, TX 76508
- Phone
- (254) 724-2111
- Enumerated
- May 20, 2010
- Record last updated
- Aug 17, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Verify Clayton Koontz Massey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license P8275Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average emergency medicine physician in 2024
23 Medicare Part D claims for 16 beneficiaries, against an average of 226 among the 54,106 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.
Industry payments in 2024: $20.68
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 12,335 providers of this specialty with any payment received $953.79 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.
Clayton Koontz Massey among 4,885 emergency medicine physician records in Texas
Clayton Koontz Massey, M.D. is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 48% of them.
- NPI issued2010 · 48% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2017 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
168 emergency medicine physician records list a practice address in Temple
They are 168 of the 4,612 NPPES records with a practice address in Temple, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Temple → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Bill Bass, M.D.Temple, TX 765081871553099
- Bruce Bollinger, M.D.Temple, TX 765081437118288
- Aleta Bonner, M.D.Temple, TX 765081417917600
- Christopher Colvin, M.D.Temple, TX 765081861454670
- David Fritz, M.D.Temple, TX 765081609836386
- Robert Greenberg, M.D.Temple, TX 765081023078722
- Gregory Hobbs, M.D.Temple, TX 765081801858550
- Thomas Jones, M.D.Temple, TX 765081629038146
Common questions
What is Clayton Koontz Massey, M.D.'s NPI number?
Clayton Koontz Massey, M.D.'s National Provider Identifier (NPI) is 1811216542, issued on May 20, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Clayton Koontz Massey, M.D. located?
The NPPES record lists a practice address at Scott & White, Temple, TX, 76508. Phone: (254) 724-2111. Providers update this record themselves, so call before visiting.
How can I verify Clayton Koontz Massey, M.D.'s license?
NPPES lists Texas license number P8275, 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 Clayton Koontz Massey, M.D. prescribe under Medicare Part D?
In 2024, Clayton Koontz Massey, M.D. had 23 Medicare Part D claims for 16 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.