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

Nathan Tolley, DO

Individual provider Psychiatry Physician · NPI 1235666389

Nathan Tolley, DO is a Psychiatry in Mount Vernon, Washington. Graduated from Lake Erie Col of Osteo Med at Seton Hill Univ in 2017, 9 years ago. Practices with Public Hospital Dist No 1 Skagit, a 321-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Colorado and Washington.

Years since qualifying
9
Trained at
Lake Erie Col of Osteo Med at Seton Hill Univ
Licensed in
CO, WA
In the registry since
2017
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

901 S 5th St
Mount Vernon, WA 98274-3942
Phone: (360) 814-7300
Fax: (360) 848-4543
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence OP61220523 (WA)
Psychiatry Physician Taxonomy 2084P0800X · Licence 0061698 (CO)

Record details

NPI number1235666389
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 20, 2017
Last updated in NPPESDecember 10, 2025
Certification dateDecember 10, 2025
Mailing address901 S 5th St, Mount Vernon, WA 98274-3942

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolLAKE ERIE COL OF OSTEO MED AT SETON HILL UNIV
Graduated 2017 (9 years in practice)
Group practice Public Hospital Dist No 1 Skagit — 321 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Mount Vernon