Doctor profile · Federal record
Dr. Kiho Woo, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Fullerton, CA
- NPI 1003091539
- Accepts Medicare
- 22 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
101 E. Valencia Dr.
Fullerton, CA 928353809
(714) 449-4800
fax (714) 578-8629 - Mailing address
-
101 E Valencia Mesa Dr
Fullerton, CA 928353809
Credentials & registration
- NPI registered
- January 2008 — 18 yrs on file
- Profile last updated
- December 2, 2019
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A96349
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1003091539. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,776
Distinct HCPCS
7
Medicare allowed
$213,661
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 1,201 | 249 | $114 | |
99316 |
Nursing facility discharge management, more than 30 minutes | 128 | 116 | $139 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 125 | 113 | $193 | |
99305 |
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | 123 | 116 | $141 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 116 | 56 | $79 | |
99497 |
Advance care planning, first 30 minutes | 59 | 46 | $80 | |
99310 |
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 24 | 24 | $163 |
In context: peer comparison
Among 14 peers in Fullerton Internal Medicine Physician, average services per provider: 146. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$24
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lundbeck LLC | 1 | $24.33 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,770
Patients
725
Total drug cost
$181,103
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eliquis (Apixaban) | Brand | 378 | 75 | $139,349 |
| Atorvastatin Calcium | Generic | 334 | 101 | $4,805 |
| Levothyroxine Sodium | Generic | 297 | 81 | $4,391 |
| Furosemide | Generic | 206 | 56 | $1,296 |
| Gabapentin | Generic | 193 | 52 | $3,908 |
| Amlodipine Besylate | Generic | 176 | 56 | $1,699 |
| Losartan Potassium | Generic | 174 | 52 | $2,162 |
| Escitalopram Oxalate | Generic | 153 | 24 | $2,079 |
| Metoprolol Tartrate | Generic | 149 | 42 | $1,389 |
| Potassium Chloride | Generic | 147 | 48 | $3,698 |
Frequently asked questions
What is Dr. Kiho Woo's medical specialty?
Dr. Kiho Woo practices Internal Medicine Physician in Fullerton, CA.
Where does Dr. Kiho Woo practice?
Dr. Kiho Woo practices at 101 E. Valencia Dr., Fullerton, CA 928353809. Office phone: 7144494800.
What is Dr. Kiho Woo's NPI?
Dr. Kiho Woo's National Provider Identifier (NPI) is 1003091539, issued by NPPES.
Does Dr. Kiho Woo accept Medicare assignment?
Yes. Dr. Kiho Woo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kiho Woo commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Nursing facility discharge management (HCPCS 99316); Initial nursing facility care with high level of medical decision making (HCPCS 99306). Source: CMS Medicare Physician & Other Practitioners file.