AMARILLO MEDICAL SPECIALISTS,LLP
NPI 1790743524
Internal Medicine in Amarillo, TX

Q: What is Amarillo Medical Specialists,llp's NPI number?

The NPI number for Amarillo Medical Specialists,llp is 1790743524. It was assigned to this organization in the NPPES registry on May 2, 2006.

Q: What is Amarillo Medical Specialists,llp's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since May 02, 2006CLIA 45D0667604 · Accreditation

9092 WESTGATE PKWY W, AMARILLO, TX 79124(806) 350-7520(806) 350-2383 Get Directions Write a Review

NPPES record last updated: September 25, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Amarillo Medical Specialists,llp NPPES

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

AMARILLO MEDICAL SPECIALISTS,LLP (NPI 1790743524) is a healthcare organization registered as an internal medicine in Amarillo, Texas and active in the NPI registry since May 2006. The organization holds an CLIA Accreditation certificate valid through December 22, 2027, maintains a secondary practice location in Amarillo, and lists Alan Keister, Managing Partner, as its authorized official.

NPPES Registry Identity

NPI1790743524

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameAMARILLO MEDICAL SPECIALISTS,LLP

Location Address9092 WESTGATE PKWY WAmarillo, TX 79124-2441

Mailing Address9092 Westgate Pkwy WAmarillo, TX 79124-2441 · (806) 350-7520 · Fax (806) 350-2383

Phone(806) 350-7520

Fax(806) 350-2383

Organization SubpartNo

Authorized OfficialAlan KeisterManaging Partner · (806) 355-9741

Enumeration DateMay 2, 2006

Last NPPES UpdateSeptember 25, 2025

NPPES CertifiedSeptember 25, 2025

✔ NPI 1790743524 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 8

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in TX · G7553

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedInternal Medicine · Endocrinology, Diabetes & MetabolismTaxonomy 207RE0101X · License J9835 (TX), G3157 (TX), L4222 (TX), J8472 (TX)

Also ListedInternal Medicine · Infectious DiseaseTaxonomy 207RI0200X

Also ListedInternal Medicine · NephrologyTaxonomy 207RN0300X · License J5330 (TX), H3590 (TX), J4363 (TX)

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License J7649 (TX)

Also ListedInternal Medicine · RheumatologyTaxonomy 207RR0500X · License H8801 (TX)

Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License G3114 (TX)

Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License H5053 (TX)

9092 WESTGATE PKWY W, Amarillo, TX 79124

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Secondary Practice Location 1

Location 19092 Westgate Pkwy WAmarillo, TX 79124-2441 · Phone (806) 358-8331 · Fax (806) 356-0045

Other Identifiers 1

Medicaid080861001TX

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Accreditation 45D0667604

Amarillo Medical Specialists LLP · Amarillo, TX

Active · expires Dec 22, 2027

CLIA Number45D0667604

Laboratory TypePhysician Office

Certificate Effective DateDecember 23, 2025

Certificate Expiration DateDecember 22, 2027

Laboratory DirectorWilliam C. Biggs

Laboratory Phone(806) 358-8331

Laboratory LocationAmarillo Medical Specialists LLP9092 Westgate Parkway W, Amarillo, TX 79124

CLIA data matches this NPI record on: Address Name Phone

This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

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. FATIMA MENDOZA N.P.

Nurse Practitioner (Family)