Cassandra Markham
Nurse Practitioner • Amarillo, TX
Professional Overview & Biography Verified Profile Summary
Cassandra Markham is a registered healthcare professional specializing in Nurse Practitioner in Amarillo, TX. Practice services are available at 2483 W INTERSTATE 40 under active NPI credentials.
Practice Location & Contact Primary Location
2483 W Interstate 40
Amarillo, TX 791091852
Specialty Benchmarks & Practice Insights
Comparative analytics for Nurse Practitioner in Amarillo, TX
Practicing in Amarillo, TX (4894 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
CMS Verified: 2026-04-04NUCC Taxonomy Code: 363L00000X
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Nurse Practitioner
Advanced Practice Registered Nurse
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 2483 W INTERSTATE 40, AMARILLO, TX 791091852 (Tel: 8064633200)
Registered at 2483 W INTERSTATE 40, AMARILLO, TX 791091852 (Tel: 8064633200)
NPI status registered as active in NPPES database
Registered at 5215 S COULTER ST STE 200, AMARILLO, TX 791196759 (Tel: 8066729929)
Registered at 5215 S COULTER ST STE 200, AMARILLO, TX 791196759 (Tel: 8066729929)
Recorded as CASSANDRA MARKHAM
Nurse Practitioner (License #833761 in TX)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
2483 W Interstate 40
Amarillo, TX 791091852
Phone: 8064633200
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