Doctor profile · Federal record
Dr. Karen Yun, M.D.
Medical Oncology Physician (CMS: Hematology/Oncology) · San Diego, CA
- NPI 1720519234
- Accepts Medicare
- 9 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
200 W Arbor Dr
San Diego, CA 921039000
(800) 926-8273
fax (888) 539-8781 - Additional location
-
3855 Health Sciences Dr
La Jolla, CA 920931503 - Mailing address
-
File 53726
Los Angeles, CA 900740001
Credentials & registration
- NPI registered
- March 2017 — 9 yrs on file
- Profile last updated
- November 17, 2025
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 207RX0202X — NUCC code
- State license (1)
- California #A158032
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1720519234. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
72
Distinct HCPCS
2
Medicare allowed
$11,503
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 51 | 17 | $149 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 21 | 21 | $187 |
In context: peer comparison
Among 3 peers in San Diego Medical Oncology Physician, average services per provider: 885. This provider delivers 0.1× the peer median.Open Payments
Industry payments received
All-time total
$115
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| E.R. Squibb & Sons, L.L.C. | 1 | $114.98 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
35
Patients
0
Total drug cost
$602
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone Hcl | Generic | 13 | 0 | $362 |
| Ondansetron Hcl | Generic | 11 | 0 | $90 |
| Prochlorperazine Maleate | Generic | 11 | 0 | $151 |
Hospital affiliations
Frequently asked questions
What is Dr. Karen Yun's medical specialty?
Dr. Karen Yun practices Medical Oncology Physician in San Diego, CA.
Where does Dr. Karen Yun practice?
Dr. Karen Yun practices at 200 W Arbor Dr, San Diego, CA 921039000. Office phone: 8009268273.
What is Dr. Karen Yun's NPI?
Dr. Karen Yun's National Provider Identifier (NPI) is 1720519234, issued by NPPES.
Does Dr. Karen Yun accept Medicare assignment?
Yes. Dr. Karen Yun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Yun commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.