Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mrs. Cassandra Lanelle Plummer Collier, LCSW

Individual provider Clinical Social Worker · NPI 1518303940

Mrs. Cassandra Lanelle Plummer Collier, LCSW is a Clinical Social Worker in Amarillo, Texas. Qualified in 2005, 21 years ago. Practices with Deer Oaks Geriatric Services P C, a 43-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
21
Licensed in
TX
In the registry since
2013
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

12001 Tanglewood Rd
Amarillo, TX 79118-0351
Phone: (254) 855-3297
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 41078 (TX)

Record details

NPI number1518303940
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedMay 13, 2013
Last updated in NPPESMay 13, 2013

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Deer Oaks Geriatric Services P C — 43 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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