Doctor profile · Federal record
Dr. Alison Stewart, D.O.
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Mission Hills, CA
- NPI 1487735163
- Accepts Medicare
- 26 yrs in practice
- Licensed in 2 states
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
11333 N Sepulveda Blvd
Mission Hills, CA 913451116
(818) 869-7200 - Mailing address
-
Po Box 9602
Mission Hills, CA 913469602
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- March 7, 2022
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- California #20A9947 · Illinois #036108148
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1487735163. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
462
Distinct HCPCS
5
Medicare allowed
$57,127
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 123 | 122 | $222 | |
99285 |
Emergency department visit with high level of medical decision making | 119 | 117 | $181 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 111 | 107 | $9 | |
99284 |
Emergency department visit with moderate level of medical decision making | 56 | 56 | $125 | |
93042 |
Electrocardiogram (ecg) 1 to 3 leads with review by physician only | 53 | 53 | $7 |
In context: peer comparison
Among 2 peers in Mission Hills Emergency Medicine Physician, average services per provider: 95. This provider delivers 4.9× the peer median.Open Payments
Industry payments received
All-time total
$117
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 1 | $117.24 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
93
Patients
93
Total drug cost
$535
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ondansetron Odt (Ondansetron) | Brand | 27 | 27 | $171 |
| Ibuprofen | Generic | 18 | 18 | $48 |
| Tramadol Hcl | Generic | 13 | 13 | $24 |
| Azithromycin | Generic | 12 | 12 | $57 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 12 | 12 | $201 |
| Meclizine Hcl | Generic | 11 | 11 | $33 |
Hospital affiliations
Frequently asked questions
What is Dr. Alison Stewart's medical specialty?
Dr. Alison Stewart practices Emergency Medicine Physician in Mission Hills, CA.
Where does Dr. Alison Stewart practice?
Dr. Alison Stewart practices at 11333 N Sepulveda Blvd, Mission Hills, CA 913451116. Office phone: 8188697200.
What is Dr. Alison Stewart's NPI?
Dr. Alison Stewart's National Provider Identifier (NPI) is 1487735163, issued by NPPES.
Does Dr. Alison Stewart accept Medicare assignment?
Yes. Dr. Alison Stewart accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alison Stewart commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.