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

Individual provider Adult Development & Aging Psychologist · NPI 1861402539

Mary L Lounsbury, PHD is an Adult Development & Aging Psychologist in Monterey, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
Specialties on file
5
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

23625 Holman Hwy
Monterey, CA 93940-5902
Phone: (831) 624-5311
Fax: (831) 625-4948
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY 6958 (CA)
Adult Development & Aging Psychologist Taxonomy 103TA0700X · Licence PSY 6958 (CA)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence PSY 6958 (CA)
Clinical Psychologist Taxonomy 103TC0700X · Licence PSY 6958 (CA)
Family Psychologist Taxonomy 103TF0000X · Licence PSY 6958 (CA)

Record details

NPI number1861402539
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedAugust 8, 2006
Last updated in NPPESSeptember 11, 2025