Doctor profile · Federal record
Dr. Dereck Ko, M.S.N.
Nurse Practitioner · Registered Nurse · Family Nurse Practitioner · San Francisco, CA
- NPI 1861411324
- Accepts Medicare
- MIPS 70.8 / 100 · 2023
- 22 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
400 Parnassus Ave # A502, UCSF Medical Center
San Francisco, CA 941430324
(415) 353-2421
fax (415) 353-2467 - Mailing address
-
1671 Edgehill CT
San Leandro, CA 945776301
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- July 20, 2009
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State licenses (2)
- California #15088 · California #538312
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861411324. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
205
Distinct HCPCS
1
Medicare allowed
$28,186
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 205 | 79 | $137 |
In context: peer comparison
Among 57 peers in San Francisco Nurse Practitioner, average services per provider: 68. This provider delivers 3.0× the peer median.Open Payments
Industry payments received
All-time total
$20
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 1 | $20.10 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
271
Patients
15
Total drug cost
$655,340
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Acyclovir | Generic | 44 | 15 | $967 |
| Jakafi (Ruxolitinib Phosphate) | Brand | 36 | 0 | $637,953 |
| Prednisone | Generic | 31 | 0 | $244 |
| Entecavir | Generic | 25 | 0 | $5,831 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 21 | 0 | $152 |
| Azithromycin | Generic | 18 | 0 | $266 |
| Dexamethasone | Generic | 14 | 0 | $613 |
| Gabapentin | Generic | 14 | 0 | $287 |
| Clotrimazole | Generic | 12 | 0 | $575 |
| Montelukast Sodium | Generic | 12 | 0 | $507 |
Hospital affiliations
Frequently asked questions
What is Dr. Dereck Ko's medical specialty?
Dr. Dereck Ko practices Nurse Practitioner in San Francisco, CA.
Where does Dr. Dereck Ko practice?
Dr. Dereck Ko practices at 400 Parnassus Ave # A502, San Francisco, CA 941430324. Office phone: 4153532421.
What is Dr. Dereck Ko's NPI?
Dr. Dereck Ko's National Provider Identifier (NPI) is 1861411324, issued by NPPES.
Does Dr. Dereck Ko accept Medicare assignment?
Yes. Dr. Dereck Ko accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dereck Ko commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.