Doctor profile · Federal record
Dr. MARKUS LEONG, MD
Emergency Medicine Physician (CMS: EMERGENCY MEDICINE) · SOUTH SAN FRANCISCO, CA
- NPI 1427136050
- Accepts Medicare
- MIPS 86.3 / 100 · 2023
- 26 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 940803208
(650) 742-2000 - Mailing address
-
1800 HARRISON ST FL 7
OAKLAND, CA 946123466
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- February 14, 2022
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- California #A81198
- Medicaid
- CA #00A811980
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427136050. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
564
Distinct HCPCS
5
Medicare allowed
$81,659
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 228 | 221 | $187 | |
99284 |
Emergency department visit with moderate level of medical decision making | 133 | 129 | $129 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 100 | 96 | $9 | |
99291 |
Critical care, first 30-74 minutes | 84 | 83 | $232 | |
99283 |
Emergency department visit with low level of medical decision making | 19 | 19 | $76 |
In context: peer comparison
Among 7 peers in this city , average services per provider: 73. This provider delivers 7.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
59
Patients
57
Total drug cost
$523
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 34 | 33 | $357 |
| Prednisone | Generic | 13 | 12 | $35 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 12 | 12 | $131 |