Alyssa Sandquist
Nurse Practitioner · Oxnard, CA
At a glance
St. John's Regional Medical Center - 1600 N Rose Avenue, Oxnard, CA 93030-3722
NPPES record updated Feb 26, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
St. John's Regional Medical Center - 1600 N Rose AvenueOxnard, CA 93030-3722
Additional reported practice locations
St. John's Pleasant Valley Hospital - 2309 Antonio AveCamarillo, CA 930101414
Phone: 8053895800
Fax: 8054853025 2100 Stantonsburg Rd
Greenville, NC 278342818
Phone: 2528474100 62 W 7Th Ave Ste 232
Spokane, WA 992042321
Phone: 5094742041
Fax: 5095982139 4000 Calle Tecate #105
Camarillo, CA 930125283
Phone: 8054852400
Fax: 8054853025 1910 Outlet Center Drive
Oxnard, CA 930360677
Phone: 8054852400
Fax: 8054853025
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2017
- CMS specialties
- Nurse Practitioner
Practice groups
- West Coast Critical Care Specialists, Inc.
- West Coast Pulmonary Physicians A Professional Medical Corporation
Reported hospital affiliations
- St Johns Regional Medical Center Oxnard, CA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Nurse Practitioner
- Taxonomy code
- 363L00000X
- Enumeration date
- Feb 14, 2018
- Record updated
- Feb 26, 2025
More registry details
- Provider type
- Individual · Type 1
Reported taxonomies and licenses
363L00000X
License reported: AP61118837 WA
363L00000X
License reported: 232247 NC
363LG0600X
License reported: NP95030240 CA
363L00000X · Primary
License reported: NP95030240 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
St. John's Regional Medical Center - 1600 N Rose AvenueOxnard, CA 93030-3722
- Phone
- (805) 988-2500
- Fax
- (805) 485-3025
Mailing address
62 W 7TH AVE STE 232SPOKANE, WA 992042321
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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