Doctor profile · Federal record
Dr. Karen Arnold, P.A.
Physician Assistant · Emergency Medicine Physician · West Hills, CA
- NPI 1407886070
- 20 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
7300 Medical Center Dr
West Hills, CA 913071902
(818) 676-4000 - Mailing address
-
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- August 7, 2025
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- California #PA17895
- Medicaid
- CA #PA17895
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1407886070. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
122
Distinct HCPCS
5
Medicare allowed
$10,591
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 58 | 57 | $106 | |
99283 |
Emergency department visit with low level of medical decision making | 30 | 30 | $63 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 12 | 12 | $103 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 11 | 11 | $84 | |
99282 |
Emergency department visit with straightforward medical decision making | 11 | 11 | $37 |
In context: peer comparison
Among 3 peers in West Hills Physician Assistant, average services per provider: 22. This provider delivers 5.5× the peer median.Open Payments
Industry payments received
All-time total
$17
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Phathom Pharmaceuticals, INC. | 1 | $16.70 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
13
Patients
13
Total drug cost
$65
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Diclofenac Sodium | Generic | 13 | 13 | $65 |
Frequently asked questions
What is Dr. Karen Arnold's medical specialty?
Dr. Karen Arnold practices Physician Assistant in West Hills, CA.
Where does Dr. Karen Arnold practice?
Dr. Karen Arnold practices at 7300 Medical Center Dr, West Hills, CA 913071902. Office phone: 8186764000.
What is Dr. Karen Arnold's NPI?
Dr. Karen Arnold's National Provider Identifier (NPI) is 1407886070, issued by NPPES.
What procedures does Dr. Karen Arnold commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.