Doctor profile · Federal record
Dr. Sam Ontiveros, M.D.
Emergency Medicine Physician · Emergency Medicine Physician · Charleston, SC
- NPI 1538522396
- 10 yrs on file
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
171 Ashley Ave
Charleston, SC 294258908
(843) 792-1414 - Additional location
-
200 W Arbor Dr
San Diego, CA 921039000
(800) 926-8273 - Additional location
-
55 Lake Ave N
Worcester, MA 016550002
(508) 334-1000 - Mailing address
-
Po Box 751461
Charlotte, NC 282751461
Credentials & registration
- NPI registered
- March 2016 — 10 yrs on file
- Profile last updated
- October 27, 2023
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- South Carolina #85834 · California #A162448
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538522396. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
38
Distinct HCPCS
2
Medicare allowed
$5,206
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 23 | 23 | $116 | |
99285 |
Emergency department visit with high level of medical decision making | 15 | 15 | $169 |
In context: peer comparison
Among 60 peers in Charleston Emergency Medicine Physician, average services per provider: 94. This provider delivers 0.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
64
Patients
63
Total drug cost
$914
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cefpodoxime Proxetil | Generic | 14 | 14 | $459 |
| Ondansetron Odt (Ondansetron) | Brand | 14 | 14 | $85 |
| Oxycodone Hcl | Generic | 14 | 13 | $91 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 11 | 11 | $173 |
| Cephalexin | Generic | 11 | 11 | $106 |
Frequently asked questions
What is Dr. Sam Ontiveros's medical specialty?
Dr. Sam Ontiveros practices Emergency Medicine Physician in Charleston, SC.
Where does Dr. Sam Ontiveros practice?
Dr. Sam Ontiveros practices at 171 Ashley Ave, Charleston, SC 294258908. Office phone: 8437921414.
What is Dr. Sam Ontiveros's NPI?
Dr. Sam Ontiveros's National Provider Identifier (NPI) is 1538522396, issued by NPPES.
What procedures does Dr. Sam Ontiveros commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.