Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Joan E Riker, MD

Individual provider Geriatric Medicine (Internal Medicine) Physician · NPI 1376653113

Dr. Joan E Riker, MD is a Geriatric Medicine (Internal Medicine) Physician in Amarillo, Texas. Licensed in Texas. Registered with an NPI since 2006.

Licensed in
TX
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

7910 London Ct
Amarillo, TX 79119-6523
Phone: (806) 290-8258
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X · Licence G5539 (TX)

Record details

NPI number1376653113
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 30, 2006
Last updated in NPPESMarch 13, 2013
Mailing address7910 London Ct, Amarillo, TX 79119-6523

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