Doctor profile · Federal record
Dr. Alyssa Castle, PA
Physician Assistant · Mission Viejo, CA
- NPI 1356958425
- 6 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
27700 Medical Center RD
Mission Viejo, CA 926916426
(949) 364-1400 - Mailing address
-
Po Box 80591
City of Industry, CA 917168409
Credentials & registration
- NPI registered
- September 2020 — 6 yrs on file
- Profile last updated
- January 30, 2023
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- California #PA58530
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1356958425. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
51
Distinct HCPCS
2
Medicare allowed
$6,286
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 28 | 28 | $102 | |
99285 |
Emergency department visit with high level of medical decision making | 23 | 23 | $149 |
In context: peer comparison
Among 8 peers in Mission Viejo Physician Assistant, average services per provider: 65. This provider delivers 0.8× the peer median.Open Payments
Industry payments received
All-time total
$38
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 1 | $37.53 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
42
Patients
42
Total drug cost
$246
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 16 | 16 | $50 |
| Cephalexin | Generic | 14 | 14 | $113 |
| Ondansetron Odt (Ondansetron) | Brand | 12 | 12 | $82 |
Frequently asked questions
What is Dr. Alyssa Castle's medical specialty?
Dr. Alyssa Castle practices Physician Assistant in Mission Viejo, CA.
Where does Dr. Alyssa Castle practice?
Dr. Alyssa Castle practices at 27700 Medical Center RD, Mission Viejo, CA 926916426. Office phone: 9493641400.
What is Dr. Alyssa Castle's NPI?
Dr. Alyssa Castle's National Provider Identifier (NPI) is 1356958425, issued by NPPES.
What procedures does Dr. Alyssa Castle commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.