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

Dr. William S Cook Jr., MD

Individual provider Geriatric Psychiatry Physician · NPI 1356440721

Dr. William S Cook Jr., MD is a Geriatric Psychiatry Physician in Jackson, Mississippi. Practices as a sole proprietor. Licensed in Mississippi.

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

See every abbreviation used in this directory →

Practice location Address checks out

4500 I 55 N Ste 256
Jackson, MS 39211-5930
Phone: (601) 366-3660
Fax: (601) 366-0636
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Geriatric Psychiatry Physician (primary) Taxonomy 2084P0805X · Licence 10170 (MS)

Record details

NPI number1356440721
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 22, 2006
Last updated in NPPESOctober 13, 2016
Mailing address4500 I 55 N, Ste 256, Jackson, MS 39211-5930

Other providers in Jackson