Quick answers
- Where does Brennan D. Atherton see patients?
- Medicare's clinician data lists 1 practice location in Williston, ND. Call before your visit to confirm the address.
- What is Brennan D. Atherton's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Brennan D. Atherton accept Medicare assignment?
- Yes. Medicare's clinician data says Brennan D. Atherton accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Brennan D. Atherton?
- (801) 717-0405, as listed in official Medicare / NPI Registry data.
- What is Brennan D. Atherton's NPI number?
- 1215319330. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Brennan D. Atherton is enrolled with Medicare (CMS data updated 2026-10-02).
- 1309 11th St W, Apt 208Williston, ND 58801 (801) 717‑0405
Specialties
- Clinical Psychologistprimary
Find other clinicians: Clinical Psychologist, North Dakota →
Other clinical psychologists in Williston
Clinicians with the same Medicare primary specialty in Williston, ND — not a recommendation.
Clinician information
| Credential | CP |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1215319330 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians