Doctor profile · Federal record
Dr. Brennan Chang
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Emergency Medicine Physician · Riverside, CA
- NPI 1306473343
- Accepts Medicare
- 6 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4445 Magnolia Ave
Riverside, CA 925014135
(951) 788-3000
Credentials & registration
- NPI registered
- March 2020 — 6 yrs on file
- Profile last updated
- November 20, 2023
- Year of graduation
- 2020 — 6 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (3)
- New York #326747 · California #A178648 · Iowa #MD-52023
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1306473343. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
279
Distinct HCPCS
4
Medicare allowed
$38,617
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 177 | 165 | $173 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 52 | 52 | $8 | |
99284 |
Emergency department visit with moderate level of medical decision making | 32 | 32 | $119 | |
99291 |
Critical care, first 30-74 minutes | 18 | 18 | $212 |
In context: peer comparison
Among 33 peers in this city , average services per provider: 83. This provider delivers 3.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
30
Patients
28
Total drug cost
$323
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 30 | 28 | $323 |
Hospital affiliations
Frequently asked questions
What is Dr. Brennan Chang's medical specialty?
Dr. Brennan Chang practices Emergency Medicine Physician in Riverside, CA.
Where does Dr. Brennan Chang practice?
Dr. Brennan Chang practices at 4445 Magnolia Ave, Riverside, CA 925014135. Office phone: 9517883000.
What is Dr. Brennan Chang's NPI?
Dr. Brennan Chang's National Provider Identifier (NPI) is 1306473343, issued by NPPES.
Does Dr. Brennan Chang accept Medicare assignment?
Yes. Dr. Brennan Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brennan Chang commonly perform?
Top Medicare-reported procedures in 2023: 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); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.