Derek Guillory, M.D.
Emergency Medicine Physician · La Vernia, TX
Derek Guillory, M.D. is an emergency medicine physician with a practice address in La Vernia, Texas, and NPI 1710972880, issued on Sep 15, 2005. Check the license (Texas L5751, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Derek Guillory
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- L5751 TX
Self-reported in NPPES; status is on the state search - Practice location
- 202 FM 1346, La Vernia, TX 78121
- Phone
- (830) 779-3200
- Enumerated
- Sep 15, 2005
- Entity
- Type 1 · individual
Verify Derek Guillory in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L5751Check 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
37 Medicare Part D claims for 18 beneficiaries, against an average of 355 among the 49,029 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.
2 emergency medicine physician records list a La Vernia practice address
They are 2 of the 92 NPPES records with a La Vernia practice address, and 4,494 emergency medicine physician records in Texas.
All 2 in La Vernia → All 4,494 in Texas → Every provider in La Vernia →
Other emergency medicine physician records in Texas
- Gordon Aalund, MDDallas, TX1740265263
- George Abatso, MDArlington, TX1265417786
- Lailah Abawi, D.O.Frisco, TX1023274164
- Sulaiman Abawi, D.O.Frisco, TX1780845255
- Agha Abbas, MDSunnyvale, TX1326001843
- Tazeen AbbasCollege Station, TX1700346962
- Abraham Abbott, MDBellaire, TX1023197175
- Mira Abdel Sattar, DOIrving, TX1417586728
- Mohammed Abdel-Al, M.D., M.S., M.SCHouston, TX1568810679
- Yousef Abdel-Raziq, MDTyler, TX1215432695
Common questions
What is Derek Guillory, M.D.'s NPI number?
Derek Guillory, M.D.'s National Provider Identifier (NPI) is 1710972880, issued on Sep 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Derek Guillory, M.D. located?
The NPPES record lists a practice address at 202 FM 1346, La Vernia, TX, 78121. Phone: (830) 779-3200. Providers update this record themselves, so call before visiting.
How can I verify Derek Guillory, M.D.'s license?
NPPES lists Texas license number L5751, 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 Derek Guillory, M.D. prescribe under Medicare Part D?
In 2024, Derek Guillory, M.D. had 37 Medicare Part D claims for 18 beneficiaries; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.