Lois Mendez, MD
Family Medicine Physician · Amarillo, TX
Lois Mendez, MD is a family medicine physician with a practice address in Amarillo, Texas, and NPI 1831880038, issued on May 17, 2023. Check the license (Texas W4899, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Lois Mendez
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- W4899 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1400 S Coulter St, Amarillo, TX 79106
- Phone
- (806) 414-9654
- Enumerated
- May 17, 2023
- Record last updated
- Jul 29, 2026
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 1400 S Coulter St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lois Mendez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license W4899Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average family medicine physician in 2024
720 Medicare Part D claims for 116 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium34 claims
- Lisinopril31 claims
- Meloxicam30 claims
- Gabapentin27 claims
- Levothyroxine Sodium22 claims
- Metformin Hcl21 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.
Lois Mendez among 11,119 family medicine physician records in Texas
Lois Mendez, 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 2023, is newer than 96% of them.
- NPI issued2023 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2026 · 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).
119 family medicine physician records list a practice address in Amarillo
They are 119 of the 3,934 NPPES records with a practice address in Amarillo, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Amarillo → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Victor Bravo, M.D.Amarillo, TX 791061528012044
- David Brister, M.D.Amarillo, TX 791061568409589
- James Bryan, M.D.Amarillo, TX 791061962449934
- Anna Burson, M.D.Amarillo, TX 791061437109394
- Jon Caldwell, M.D.Amarillo, TX 791061558318865
- David Carruth, M.D.Amarillo, TX 791061184671406
- Cynthia Correa-Colon, M.D.Amarillo, TX 791061043296551
- John Dzik, DOAmarillo, TX 791061659339950
Common questions
What is Lois Mendez, MD's NPI number?
Lois Mendez, MD's National Provider Identifier (NPI) is 1831880038, issued on May 17, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Lois Mendez, MD located?
The NPPES record lists a practice address at 1400 S Coulter St, Amarillo, TX, 79106. Phone: (806) 414-9654. Providers update this record themselves, so call before visiting.
How can I verify Lois Mendez, MD's license?
NPPES lists Texas license number W4899, 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 Lois Mendez, MD prescribe under Medicare Part D?
In 2024, Lois Mendez, MD had 720 Medicare Part D claims for 116 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.