Doctor profile · Federal record
Dr. Derek Stewart, M.D.
Emergency Medicine Physician · Phoenix, AZ
- NPI 1821309519
- 16 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
250 E Dunlap Ave
Phoenix, AZ 850202825
(602) 870-6316
fax (602) 870-6091
Credentials & registration
- NPI registered
- June 2010 — 16 yrs on file
- Profile last updated
- December 8, 2016
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Arizona #45723
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821309519. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
355
Distinct HCPCS
5
Medicare allowed
$48,946
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 130 | 129 | $167 | |
99284 |
Emergency department visit with moderate level of medical decision making | 86 | 83 | $113 | |
99291 |
Critical care, first 30-74 minutes | 58 | 57 | $203 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 49 | 41 | $8 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 32 | 32 | $166 |
In context: peer comparison
Among 114 peers in this city , average services per provider: 105. This provider delivers 3.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
262
Patients
261
Total drug cost
$1,601
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ondansetron Odt (Ondansetron) | Brand | 58 | 58 | $461 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 54 | 54 | $293 |
| Cephalexin | Generic | 38 | 38 | $266 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 32 | 32 | $169 |
| Prednisone | Generic | 20 | 20 | $68 |
| Cyclobenzaprine Hcl | Generic | 18 | 18 | $73 |
| Meclizine Hcl | Generic | 16 | 16 | $47 |
| Furosemide | Generic | 15 | 14 | $53 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 11 | 11 | $170 |
Frequently asked questions
What is Dr. Derek Stewart's medical specialty?
Dr. Derek Stewart practices Emergency Medicine Physician in Phoenix, AZ.
Where does Dr. Derek Stewart practice?
Dr. Derek Stewart practices at 250 E Dunlap Ave, Phoenix, AZ 850202825. Office phone: 6028706316.
What is Dr. Derek Stewart's NPI?
Dr. Derek Stewart's National Provider Identifier (NPI) is 1821309519, issued by NPPES.
What procedures does Dr. Derek Stewart commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.