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
Mailing address300 Longwood Ave, Boston, MA 02115-5724