Doctor profile · Federal record
Dr. SELWYN MAHON, M.D.
Emergency Medicine Physician (CMS: EMERGENCY MEDICINE) · TAMUNING, GU
- NPI 1992816169
- Accepts Medicare
- 36 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
850 GOV. CARLOS CAMACHO ROAD, GUAM MEMORIAL HOSPITAL AUTHORITY
TAMUNING, GU 96913
(671) 647-2350 - Mailing address
-
6603 EVANSTON ST.
FORESTVILLE, MD 20747
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- March 23, 2016
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Virgin Islands #1119
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1992816169. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
147
Distinct HCPCS
4
Medicare allowed
$19,089
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 63 | 62 | $121 | |
99285 |
Emergency department visit with high level of medical decision making | 60 | 60 | $174 | |
99283 |
Emergency department visit with low level of medical decision making | 13 | 13 | $72 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 11 | 11 | $8 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 64. This provider delivers 2.3× the peer median.