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

Individual provider Clinical Neuropsychologist · NPI 1881898609

Dr. Sundar John Cook, PSYD is a Clinical Psychologist in Alexandria, Virginia. Qualified in 2004, 22 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
22
Licensed in
VA
In the registry since
2007
Specialties on file
2
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

411 1/2 N Washington St
Alexandria, VA 22314-2311
Phone: (540) 931-5238
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 0810003809 (VA)
Clinical Neuropsychologist Taxonomy 103G00000X · Licence 0810003809 (VA)

Record details

NPI number1881898609
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedJune 14, 2007
Last updated in NPPESMay 6, 2020
Certification dateMay 6, 2020

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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