Doctor profile · Federal record
Dr. Brian Johnson, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Oakland, CA
- NPI 1457652976
- Accepts Medicare
- MIPS 79.1 / 100 · 2023
- 16 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
275 W Macarthur
Oakland, CA 946115641
(510) 752-1000
Credentials & registration
- NPI registered
- November 2010 — 16 yrs on file
- Profile last updated
- October 14, 2014
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- California #A120102
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1457652976. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
659
Distinct HCPCS
6
Medicare allowed
$80,424
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 264 | 257 | $183 | |
93042 |
Electrocardiogram (ecg) 1 to 3 leads with review by physician only | 187 | 180 | $7 | |
99284 |
Emergency department visit with moderate level of medical decision making | 107 | 107 | $125 | |
99291 |
Critical care, first 30-74 minutes | 41 | 40 | $227 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 31 | 31 | $186 | |
99283 |
Emergency department visit with low level of medical decision making | 29 | 29 | $76 |
In context: peer comparison
Among 71 peers in Oakland Emergency Medicine Physician, average services per provider: 73. This provider delivers 9.0× the peer median.Open Payments
Industry payments received
All-time total
$2,375
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Clarius Mobile Health Corp. | 1 | $2,375.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
95
Patients
93
Total drug cost
$683
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ondansetron Odt (Ondansetron) | Brand | 31 | 31 | $315 |
| Cephalexin | Generic | 30 | 28 | $235 |
| Oxycodone Hcl | Generic | 23 | 23 | $71 |
| Prednisone | Generic | 11 | 11 | $63 |
Frequently asked questions
What is Dr. Brian Johnson's medical specialty?
Dr. Brian Johnson practices Emergency Medicine Physician in Oakland, CA.
Where does Dr. Brian Johnson practice?
Dr. Brian Johnson practices at 275 W Macarthur, Oakland, CA 946115641. Office phone: 5107521000.
What is Dr. Brian Johnson's NPI?
Dr. Brian Johnson's National Provider Identifier (NPI) is 1457652976, issued by NPPES.
Does Dr. Brian Johnson accept Medicare assignment?
Yes. Dr. Brian Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Johnson commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Electrocardiogram (ecg) 1 to 3 leads with review by physician only (HCPCS 93042); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.