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

Dr. Markley Stevens Sutton, PHD

Individual provider Psychologist · NPI 1538377379

Dr. Markley Stevens Sutton, PHD is a Psychologist in Napa, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

2035 Seville Dr
Napa, CA 94559-4318
Phone: (707) 252-0273
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY5529 (CA)

Record details

NPI number1538377379
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMay 17, 2007
Last updated in NPPESJuly 2, 2013
Mailing addressPo Box 5342, Napa, CA 94581-0342

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