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

Dr. Heather Hefner, PHD

Individual provider Psychologist · NPI 1679948236

Dr. Heather Hefner, PHD is a Psychologist in Cortland, Ohio. Practices as a sole proprietor. Registered with an NPI since 2015.

In the registry since
2015
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

378 N High St
Cortland, OH 44410-1023
Phone: (330) 637-8668
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X

Record details

NPI number1679948236
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedDecember 8, 2015
Last updated in NPPESFebruary 27, 2020
Certification dateFebruary 27, 2020
Mailing address378 N High St, Cortland, OH 44410-1023