Physician Profile
Unclaimed ProfileAbout OUM
Sewon Oum, M.D. is a healthcare provider in Woodland Hills, CA specialising in internal medicine. Sewon trained at Ohio State University College of Medicine, graduating in 2015.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Oum's specialty?
Dr. Oum is an internal medicine in Woodland Hills, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Oum?
Dr. Oum is listed at 5601 DE SOTO AVE, Woodland Hills, CA 91367. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Oum?
The number on file is (818) 719-2000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Oum?
Dr. Oum's National Provider Identifier is 1063772085. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Oum's medical education?
Dr. Oum attended Ohio State University College of Medicine, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Oum have?
Dr. Oum has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Oum known for?
According to Medicare billing data, Dr. Oum the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Oum's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Oum. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (818) 719-2000
- Email not available
Practice Locations
5601 DE SOTO AVE
Woodland Hills, CA 91367
Procedures Most Often Billed to Medicare
524 services · 329 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
247 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
95 |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
92 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
30 |
| Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes | Office visit | 99236 |
21 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
21 |
| 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 t | Billing code | G0316 |
18 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internal medicines at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 22 related providers in 3 groups
Other internal medicines in Woodland Hills 6
Same specialty, same city.
Trained at Ohio State University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2015 at Ohio State University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.