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

Dr. Brennan Dale Atherton, PHD

Individual provider Clinical Psychologist · NPI 1215319330

Dr. Brennan Dale Atherton, PHD is a Clinical Psychologist in Williston, North Dakota. Qualified in 2017, 9 years ago. Accepts Medicare assignment. Licensed in North Dakota.

Years since qualifying
9
Licensed in
ND
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

1309 11th St W Apt 208
Williston, ND 58801-4654
Phone: (801) 717-0405
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 585 (ND)

Record details

NPI number1215319330
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJune 25, 2015
Last updated in NPPESMay 5, 2026
Certification dateMay 5, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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