Doctor profile · Federal record
Dr. Sewon Oum, M.D.
Hospitalist Physician (CMS: Internal Medicine) · Woodland Hills, CA
- NPI 1063772085
- Accepts Medicare
- MIPS 84.9 / 100 · 2023
- 11 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
5601 de Soto Ave
Woodland Hills, CA 913676701
(818) 719-2000
Credentials & registration
- NPI registered
- May 2012 — 14 yrs on file
- Profile last updated
- January 19, 2016
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- California #A130847
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1063772085. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
538
Distinct HCPCS
6
Medicare allowed
$75,640
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 218 | 93 | $122 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 102 | 99 | $181 | |
99239 |
Hospital discharge day management, more than 30 minutes | 102 | 100 | $121 | |
99291 |
Critical care, first 30-74 minutes | 71 | 25 | $217 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 30 | 11 | $79 | |
G0316 |
Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th | 15 | 11 | $33 |
In context: peer comparison
Among 2 peers in Woodland Hills Hospitalist Physician, average services per provider: 71. This provider delivers 7.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
40
Patients
24
Total drug cost
$368
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 18 | 13 | $207 |
| Furosemide | Generic | 11 | 0 | $40 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 11 | 11 | $121 |
Hospital affiliations
Frequently asked questions
What is Dr. Sewon Oum's medical specialty?
Dr. Sewon Oum practices Hospitalist Physician in Woodland Hills, CA.
Where does Dr. Sewon Oum practice?
Dr. Sewon Oum practices at 5601 de Soto Ave, Woodland Hills, CA 913676701. Office phone: 8187192000.
What is Dr. Sewon Oum's NPI?
Dr. Sewon Oum's National Provider Identifier (NPI) is 1063772085, issued by NPPES.
Does Dr. Sewon Oum accept Medicare assignment?
Yes. Dr. Sewon Oum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sewon Oum commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.