Doctor profile · Federal record

Dr. Alyssa Sandquist

Nurse Practitioner · Nurse Practitioner · Nurse Practitioner · Gerontology Nurse Practitioner · Oxnard, CA

  • NPI 1225538523
  • Accepts Medicare
  • 9 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 6 locations .

NPPES Updated May 11, 2026
Primary practice
St. John's Regional Medical Center - 1600 N Rose Avenue
Oxnard, CA 930303722
(805) 988-2500
fax (805) 485-3025
Additional location
1910 Outlet Center Drive
Oxnard, CA 930360677
(805) 485-2400
Additional location
4000 Calle Tecate #105
Camarillo, CA 930125283
(805) 485-2400
Show 3 more locations
Additional location
St. John's Pleasant Valley Hospital - 2309 Antonio Ave
Camarillo, CA 930101414
(805) 389-5800
Additional location
2100 Stantonsburg RD
Greenville, NC 278342818
(252) 847-4100
Additional location
62 W 7Th Ave Ste 232
Spokane, WA 992042321
(509) 474-2041
fax (509) 598-2139
Mailing address
62 W 7Th Ave Ste 232
Spokane, WA 992042321

Credentials & registration

NPPES · NUCC
NPI registered
February 2018 — 8 yrs on file
Profile last updated
February 26, 2025
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
363L00000X — NUCC code
State licenses (3)
California #NP95030240 · Washington #AP61118837 · North Carolina #232247

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225538523. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
274
Distinct HCPCS
2
Medicare allowed
$24,759
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 160 106 $108
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 114 39 $66

In context: peer comparison

Among 2 peers in Oxnard Nurse Practitioner, average services per provider: 88. This provider delivers 3.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$127
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Abiomed 1 $100.06
Ancora Heart, INC. 1 $26.82

By nature of payment

Food and Beverage
$127

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,051
Patients
307
Total drug cost
$221,389
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 155 57 $4,003
Jardiance (Empagliflozin) Brand 147 30 $107,566
Spironolactone Generic 135 43 $977
Torsemide Generic 102 38 $3,492
Entresto (Sacubitril/Valsartan) Brand 98 32 $89,089
Potassium Chloride Generic 98 34 $9,883
Atorvastatin Calcium Generic 76 19 $1,457
Furosemide Generic 46 20 $309
Carvedilol Generic 41 16 $452
Losartan Potassium Generic 40 18 $362

Frequently asked questions

Auto-generated from federal data
What is Dr. Alyssa Sandquist's medical specialty?
Dr. Alyssa Sandquist practices Nurse Practitioner in Oxnard, CA.
Where does Dr. Alyssa Sandquist practice?
Dr. Alyssa Sandquist practices at St. John's Regional Medical Center - 1600 N Rose Avenue, Oxnard, CA 930303722. Office phone: 8059882500.
What is Dr. Alyssa Sandquist's NPI?
Dr. Alyssa Sandquist's National Provider Identifier (NPI) is 1225538523, issued by NPPES.
Does Dr. Alyssa Sandquist accept Medicare assignment?
Yes. Dr. Alyssa Sandquist accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alyssa Sandquist commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.