Quick answers
- Where does Jess G. Mason see patients?
- Medicare's clinician data lists 1 practice location in Seattle, WA. Call before your visit to confirm the address.
- What is Jess G. Mason's specialty?
- Medicare lists Mental Health Counselor as the primary specialty.
- Does Jess G. Mason accept Medicare assignment?
- Medicare's clinician data says Jess G. Mason may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Jess G. Mason?
- (425) 539-0525, as listed in official Medicare / NPI Registry data.
- What is Jess G. Mason's NPI number?
- 1548894405. 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 Jess G. Mason is enrolled with Medicare (CMS data updated 2026-10-02).
- 753 N 35th St, Suite 310Seattle, WA 98103 (425) 539‑0525
Specialties
- Mental Health Counselorprimary
Find other clinicians: Mental Health Counselor, Washington →
Other mental health counselors in Seattle
Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.
Clinician information
| Graduation year | 2009 |
|---|---|
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1548894405 |
| 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