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

Heidi Maria Evjen Mattila

Individual provider Clinical Psychologist · NPI 1417423963

Heidi Maria Evjen Mattila is a Clinical Psychologist in Bethesda, Maryland. Practices as a sole proprietor and works from 2 locations. Licensed in Maryland.

Licensed in
MD
In the registry since
2018

Practice location Address checks out

4405 E West Hwy Ste 411
Bethesda, MD 20814-4535
Phone: (202) 557-6713
Show map & directions

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

Additional practice locations (1)

  • 801 Roeder Rd Ste 425, Silver Spring, MD 20910-4472 — (301) 949-4907

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 06058 (MD)

Record details

NPI number1417423963
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedOctober 22, 2018
Last updated in NPPESOctober 22, 2018

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