Doctor profile · Federal record
Dr. Alaina Castro, PA-C
Physician Assistant · Surgical Physician Assistant · Physician Assistant · Stanford, CA
- NPI 1679283469
- Accepts Medicare
- 4 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000 - Additional location
-
1959 Ne Pacific St Fl 3
Seattle, WA 981950001
(206) 598-4022
Credentials & registration
- NPI registered
- December 2022 — 4 yrs on file
- Profile last updated
- December 19, 2025
- Year of graduation
- 2022 — 4 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State licenses (2)
- California #64827 · Washington #PA61397064
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679283469. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
48
Distinct HCPCS
2
Medicare allowed
$2,817
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 26 | 25 | $59 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 22 | 21 | $58 |
In context: peer comparison
Among 89 peers in this city , average services per provider: 64. This provider delivers 0.8× the peer median.Open Payments
Industry payments received
All-time total
$29
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| PolyNovo North America LLC | 1 | $28.50 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
91
Patients
54
Total drug cost
$782
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tramadol Hcl | Generic | 29 | 18 | $64 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 25 | 19 | $227 |
| Oxycodone Hcl | Generic | 24 | 17 | $293 |
| Lidocaine Hcl Viscous (Lidocaine Hcl) | Brand | 13 | 0 | $199 |
Hospital affiliations
Frequently asked questions
What is Dr. Alaina Castro's medical specialty?
Dr. Alaina Castro practices Physician Assistant in Stanford, CA.
Where does Dr. Alaina Castro practice?
Dr. Alaina Castro practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Alaina Castro's NPI?
Dr. Alaina Castro's National Provider Identifier (NPI) is 1679283469, issued by NPPES.
Does Dr. Alaina Castro accept Medicare assignment?
Yes. Dr. Alaina Castro accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alaina Castro commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.