1. Home
  2. Directory
  3. Texas
  4. Amarillo
  5. Family Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LOIS MENDEZ MD
NPI 1831880038
Family Medicine in Amarillo, TX

Active since May 17, 2023PECOS Enrolled
1400 S COULTER ST, AMARILLO, TX 79106(806) 414-9654 Get Directions Write a Review

NPPES record last updated: July 29, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jul 29, 2026, Jun 20, 2023, Jun 16, 2023 and 2 more (5 updates tracked since 2023).

About Lois Mendez Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LOIS MENDEZ MD (NPI 1831880038) is an individual family medicine provider in Amarillo, Texas, licensed in Texas (W4899) and active in the NPI registry since May 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1831880038
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameLOIS MENDEZCredential: MD
Location Address1400 S COULTER STAmarillo, TX 79106-1786
Mailing Address1400 S Coulter St Ste 5100Amarillo, TX 79106-1786 · (806) 414-9559 · Fax (806) 351-3765
Phone(806) 414-9654
Sole ProprietorNo
Enumeration DateMay 17, 2023
Last NPPES UpdateJuly 29, 20265 updates tracked since enumeration
NPPES CertifiedJuly 29, 2026
✔ NPI 1831880038 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in TX · W4899
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1400 S COULTER ST, Amarillo, TX 79106
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lois Mendez Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 79106 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. TIFFANY SHEA THOMPSON RNC, NNP-BC
Nurse Practitioner (Neonatal, Critical Care)
1400 S COULTER ST
AMARILLO, TX 79106
Potter County (806) 414-9180
KHALID ALYAMI
Student in an Organized Health Care Education/Training Program
1400 S COULTER ST, SUITE 5100
AMARILLO, TX 79106
Potter County (806) 414-9559
BRENDA CHESLEY
Nurse Practitioner (Pediatrics)
1400 S COULTER ST
AMARILLO, TX 79106
Potter County (806) 414-9800
TEXAS TECH UNIVERSITY HEALTH SCIENCES CENTER AMARILLO
Family Medicine
1400 S COULTER ST
AMARILLO, TX 79106
Potter County (806) 414-9559
DAVID EGERTON PHD
Psychologist (Family)
1400 S COULTER ST
AMARILLO, TX 79106
Potter County (806) 351-3777
TERESA BAKER MD
Obstetrics & Gynecology
1400 S COULTER ST
AMARILLO, TX 79106
Potter County (806) 414-9650
TEXAS TECH UNIVERSITY HEALTH SCIENCES CENTER AMARILLO
Surgery
1400 S COULTER ST
AMARILLO, TX 79106
Potter County (806) 414-9558
JOHN SCOTT MILTON MD
Internal Medicine (Infectious Disease)
1400 S COULTER ST
AMARILLO, TX 79106
Potter County (806) 354-5480

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lois Mendez's NPI number?

The NPI number for Lois Mendez is 1831880038. It was assigned to this individual provider in the NPPES registry on May 17, 2023.

Where is Lois Mendez located?

Lois Mendez practices at 1400 S Coulter St, Amarillo, TX 79106. The listed phone number is (806) 414-9654.

What is Lois Mendez's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Lois Mendez enrolled in Medicare?

Yes. Lois Mendez is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Lois Mendez was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.