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

Alyssa Sandquist

Individual provider Nurse Practitioner · NPI 1225538523

Alyssa Sandquist is a Nurse Practitioner in Oxnard, California. Qualified in 2017, 9 years ago. Practices with West Coast Critical Care Specialists, Inc, a 19-clinician group, works from 6 locations and accepts Medicare assignment. Licensed in California, North Carolina and Washington.

Years since qualifying
9
Licensed in
CA, NC, WA
In the registry since
2018
Specialties on file
4

Practice location Address checks out

St John's Regional Medical Center - 1600 N Rose Ave
Oxnard, CA 93030-3722
Phone: (805) 988-2500
Fax: (805) 485-3025
Show map & directions

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

Additional practice locations (5)

  • St. John'S Pleasant Valley Hospital - 2309 Antonio Ave, Camarillo, CA 93010-1414 — (805) 389-5800
  • 4000 Calle Tecate #105, Camarillo, CA 93012-5283 — (805) 485-2400
  • 1910 Outlet Center Drive, Oxnard, CA 93036-0677 — (805) 485-2400
  • 2100 Stantonsburg Rd, Greenville, NC 27834-2818 — (252) 847-4100
  • 62 W 7th Ave Ste 232, Spokane, WA 99204-2321 — (509) 474-2041

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence NP95030240 (CA)
Nurse Practitioner Taxonomy 363L00000X · Licence AP61118837 (WA)
Nurse Practitioner Taxonomy 363L00000X · Licence 232247 (NC)
Gerontology Nurse Practitioner Taxonomy 363LG0600X · Licence NP95030240 (CA)

Record details

NPI number1225538523
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedFebruary 14, 2018
Last updated in NPPESFebruary 26, 2025
Certification dateFebruary 26, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice West Coast Critical Care Specialists, Inc. — 19 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Oxnard