Doctor profile · Federal record
Dr. Justin Ko, MD
Dermatology Physician (CMS: Dermatology) · Dermatology Physician · Stanford, CA
- NPI 1790912251
- Accepts Medicare
- MIPS 75.5 / 100 · 2023
- 18 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000 - Additional location
-
440 Broadway St Fl B4
Redwood City, CA 940633123
(650) 723-6316 - Mailing address
-
440 Broadway St Fl B4
Redwood City, CA 940633123
Credentials & registration
- NPI registered
- June 2009 — 17 yrs on file
- Profile last updated
- April 16, 2024
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207N00000X — NUCC code
- State licenses (2)
- California #A120641 · Massachusetts #L-239279
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1790912251. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
66
Distinct HCPCS
4
Medicare allowed
$5,382
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 19 | 19 | $111 | |
99451 |
Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes | 19 | 19 | $41 | |
17000 |
Destruction of precancer skin growth, 1 growth | 14 | 11 | $66 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 14 | 13 | $113 |
In context: peer comparison
Among 20 peers in this city , average services per provider: 120. This provider delivers 0.6× the peer median.Open Payments
Industry payments received
All-time total
$55,730
Transactions
29
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| GENZYME CORPORATION | 16 | $31,155.33 | |
| PFIZER INC. | 8 | $15,426.84 | |
| ABBVIE INC. | 3 | $5,517.62 | |
| Lilly USA, LLC | 1 | $3,600.00 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $30.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
36
Patients
0
Total drug cost
$453
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Minoxidil | Generic | 21 | 0 | $253 |
| Triamcinolone Acetonide | Generic | 15 | 0 | $200 |
Hospital affiliations
Frequently asked questions
What is Dr. Justin Ko's medical specialty?
Dr. Justin Ko practices Dermatology Physician in Stanford, CA.
Where does Dr. Justin Ko practice?
Dr. Justin Ko practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Justin Ko's NPI?
Dr. Justin Ko's National Provider Identifier (NPI) is 1790912251, issued by NPPES.
Does Dr. Justin Ko accept Medicare assignment?
Yes. Dr. Justin Ko accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Justin Ko commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Telephone, internet, or electronic health record assessment and management with written report by consulting physician (HCPCS 99451); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.