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

Kelsey Mercado, PHD

Individual provider Health Service Psychologist · NPI 1093583502

Kelsey Mercado, PHD is a Health Service Psychologist in Waltham, Massachusetts. Works from 2 locations. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2023
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

9 Hope Ave
Waltham, MA 02453-2741
Phone: (617) 355-6680
Show map & directions

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

Additional practice locations (1)

  • 300 Longwood Ave, Boston, MA 02115-5724 — (617) 355-6000

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY10000137 (MA)
Health Service Psychologist Taxonomy 103TH0100X · Licence PSY1000137 (MA)

Record details

NPI number1093583502
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedDecember 13, 2023
Last updated in NPPESJanuary 17, 2024
Certification dateJanuary 17, 2024