Doctor profile · Federal record
Dr. WILLIS CHANG, M.D.
Emergency Medicine Physician (CMS: EMERGENCY MEDICINE) · Student in an Organized Health Care Education/Training Program · LAS VEGAS, NV
- NPI 1609253103
- Accepts Medicare
- MIPS 78.5 / 100 · 2023
- 11 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
3186 S MARYLAND PKWY
LAS VEGAS, NV 89109
(702) 961-7800 - Mailing address
-
7391 W CHARLESTON BLVD STE 140
LAS VEGAS, NV 891171577
Credentials & registration
- NPI registered
- May 2015 — 11 yrs on file
- Profile last updated
- July 20, 2018
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Nevada #17812
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609253103. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
441
Distinct HCPCS
4
Medicare allowed
$74,745
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 226 | 221 | $175 | |
99291 |
Critical care, first 30-74 minutes | 118 | 117 | $210 | |
99284 |
Emergency department visit with moderate level of medical decision making | 73 | 72 | $120 | |
99283 |
Emergency department visit with low level of medical decision making | 24 | 21 | $72 |
In context: peer comparison
Among 104 peers in this city , average services per provider: 548. This provider delivers 0.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
52
Patients
50
Total drug cost
$325
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 25 | 24 | $199 |
| Ondansetron Odt (Ondansetron) | Brand | 14 | 13 | $88 |
| Ibuprofen | Generic | 13 | 13 | $39 |