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

Mari Hammerquist Oathes, DO

Individual provider Pediatrics Physician · NPI 1407218969

Mari Hammerquist Oathes, DO is a Pediatrics Physician in Mount Vernon, Washington. Works from 2 locations. Licensed in Washington.

Licensed in
WA
In the registry since
2016
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

2320 Freeway Dr
Mount Vernon, WA 98273-5445
Phone: (360) 814-6870
Fax: (360) 814-6922
Show map & directions

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

Additional practice locations (1)

  • 2211 Lomas Blvd Ne, Albuquerque, NM 87106-2719 — (505) 272-5551

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence OP60949829 (WA)

Record details

NPI number1407218969
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 24, 2016
Last updated in NPPESSeptember 30, 2019
Mailing address2320 Freeway Dr, Mount Vernon, WA 98273-5445

Other providers in Mount Vernon