Justin Ko, DO
NPI 1689203416 · Family Medicine Physician · Torrance, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Ko, DO is a Family Medicine Physician provider in Torrance, CA (NPI 1689203416).
Provider details
- NPI number
- 1689203416
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A21106 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
587 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 266 | $98 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 139 | $140 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 105 | $139 |
| Administration of Influenza Virus VaccineG0008 | 48 | $35 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 18 | $16 |
| Annual Wellness Visit; Includes a Personalized Prevention Plan of Service (pps), Initial Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 152 | 69 |
| Simvastatin | 111 | 48 |
| Amlodipine Besylate | 94 | 47 |
| Levothyroxine Sodium | 66 | 32 |
| Lisinopril | 65 | 32 |
| Metoprolol Succinate | 60 | 25 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$106 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-03
- Last updated
- 2024-02-21
- Certified
- 2024-02-21
Frequently asked questions
- What is Justin Ko's NPI number?
- Justin Ko's National Provider Identifier (NPI) is 1689203416, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Ko's specialty?
- Justin Ko is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Ko located?
- Justin Ko's practice location on file with NPPES is 3330 Lomita Blvd, Torrance, CA 90505-5002.
- What is Justin Ko's phone number?
- The practice phone number listed in the NPPES registry for Justin Ko is (310) 325-9110.
- Does Justin Ko accept Medicare?
- Justin Ko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Ko's NPI active?
- Yes — Justin Ko's NPI (1689203416) is active in the NPPES registry as of the last update on 2024-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.