Dr. Justin Ko, DO

  • Torrance, CA
  • Family medicine physician
NPI1689203416
Medicare services, 2024
629
Medicare patients, 2024
252
Part D claims, 2024
1,960
Hospital affiliations
1
Industry payments
$208
Practice address
3400 Lomita Blvd, Torrance, CA 90505
Practice phone
Call (310) 539-5888
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Palos Verdes Ambulatory Surgery Center, Inc.

Torrance, California

See all 3 affiliations

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Dr. Justin Ko is a family medicine physician in Torrance, California

Dr. Ko practices at Palos Verdes Ambulatory Surgery Center, Inc. in Torrance, California.

Dr. Ko's NPI, 1689203416, was assigned on April 3, 2020. Dr. Ko graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 2020. Dr. Ko holds California license 20A21106.

NPI and contact details
NPI enumeration date
April 3, 2020
NPI status
Active
Practice phone
(310) 539-5888
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
32
Medical school graduation
2020

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Justin Ko practices at Palos Verdes Ambulatory Surgery Center, Inc. in Torrance, California

Dr. Ko's primary practice is Palos Verdes Ambulatory Surgery Center, Inc., at 3400 Lomita Blvd, Torrance, CA 90505 in Los Angeles County. The practice phone is (310) 539-5888.

  • Palos Verdes Ambulatory Surgery Center, Inc.
    3400 Lomita Blvd, Torrance, CA 90505 · Los Angeles CountyPhone(310) 539-5888

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Justin Ko is affiliated with 2 sites of care and 1 medical group

Dr. Ko's primary practice is Palos Verdes Ambulatory Surgery Center, Inc. in Torrance, California. Dr. Ko is also affiliated with Torrance Memorial Medical Center. The medical group on file is Torrance Memorial Physician Network.

See all 3 affiliations for Dr. Ko

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Justin Ko's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ko practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Palos Verdes Ambulatory Surgery Center, Inc.Available with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Justin Ko is one of 15,680 family medicine physicians in California

Family medicine is Dr. Ko's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Ko is licensed in California.

Specialties and state licenses

  • Family medicine, CaliforniaPrimaryLicense 20A21106 · taxonomy 207Q00000X

Family medicine physicians near Dr. Ko

Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Justin Ko billed Medicare for 629 services in 2024

CMS data shows 629 Medicare services from Dr. Ko across 7 procedure codes in 2024, for 252 Medicare patients. Medicare paid $53,952 for them. Every service was in an office.

Medicare services, 2024629
Medicare patients252
Paid by Medicare$53,952
Procedure codes7

Dr. Ko's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 582024: 371540%
Other services
2023: 182024: 1981000%
Tests and treatments
2023: 02024: 60

Dr. Ko compared with the California median for family medicine physicians, 2024

  • Dr. Ko
  • California median
Medicare services
629vs 2462.6 times
Medicare patients
252vs 1182.1 times
Part D claims
1,513vs 83382% above

Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Ko's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Ko

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Justin Ko treated 252 Medicare patients in 2024, average age 75

CMS counts 252 Medicare patients who saw Dr. Ko in 2024. The largest group is 65 to 74, with 115 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.06, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ko's median patient age at 69, with 35% women.

Medicare patients, 2024252
Average age75
Average risk score1.06
Also on Medicaid7%

Dr. Ko's Medicare patients by age, 2024

Dr. Ko's Medicare patients by sex, 2024

  • Women8634%
  • Men16666%

Chronic conditions among Dr. Ko's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis41%
  4. Chronic kidney disease33%
  5. Diabetes30%
  6. Ischemic heart disease20%
  7. Mood disorders18%
  8. Cancer17%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ko's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women35%
  • Men64%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Justin Ko wrote 1,960 Medicare Part D claims in 2024

In 2024, Dr. Ko wrote 1,960 Medicare Part D claims for 346 patients. 91% of them were for generic drugs. CMS names the drug for 1,513 of them, across 46 drugs with 11 or more claims each, at $82,049 in total drug cost. In 2023, CMS named 11 claims across 1 drug.

Part D claims, 20241,960
Drugs named by CMS46
Total drug cost$82,049
Part D patients346

Dr. Ko's Part D claims by kind of drug, 2024

  • Generic1,781 claims91%
  • Brand-name179 claims9%

Dr. Ko's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Ko's Part D claims, 2024

  • Opioids1%29 of 1,960 claims
  • Antibiotics2%36 of 1,960 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 112024: 1,51313655%

Drugs named by CMS: 46 in 2024, 1 in 2023.

See all prescribing by Dr. Ko

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. Justin Ko received $208 in industry payments from 2023 to 2025

CMS Open Payments shows 10 general payments to Dr. Ko from 5 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $88.

General payments to Dr. Ko by program year, 2023 to 2025

Companies that paid Dr. Ko the most, 2023 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ko

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Justin Ko graduated from Kansas City University of Med & Biosciences, College of Osteo Med

Dr. Ko graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 2020.

  1. Medical schoolKansas City University of Med & Biosciences, College of Osteo Med

Source: Dmand AI Professional Profile Data

Sources for Dr. Justin Ko's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Justin Ko

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Justin Ko's NPI number?

Dr. Justin Ko's NPI number is 1689203416. It was assigned on April 3, 2020, and it is active in the NPI Registry.

What kind of doctor is Dr. Justin Ko?

Dr. Justin Ko is a family medicine physician in Torrance, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).

Where does Dr. Justin Ko practice?

Dr. Ko practices at 3400 Lomita Blvd, Torrance, CA 90505. Dr. Ko's primary practice is Palos Verdes Ambulatory Surgery Center, Inc. in Torrance, California.

What is Dr. Justin Ko's office phone number?

The practice phone on file for Dr. Ko is (310) 539-5888.

What is Dr. Justin Ko's medical license number?

Dr. Ko holds California license 20A21106.

Which hospitals is Dr. Justin Ko affiliated with?

Dr. Ko is affiliated with Torrance Memorial Medical Center.

What medical group is Dr. Justin Ko part of?

Dr. Ko is linked to Torrance Memorial Physician Network.

Does Dr. Justin Ko accept Medicare?

Yes. CMS data shows Dr. Ko billed Medicare for 629 services in 2024.

How many Medicare patients does Dr. Justin Ko see?

CMS counts 252 Medicare patients who saw Dr. Ko in 2024, with an average age of 75.

What services does Dr. Justin Ko bill to Medicare?

In 2024, Dr. Ko's most billed Medicare services were office visit, established patient (99213), medicare service (G0439) and office visit, established patient (99214).

Show 4 more questionsShow fewer questions

Where did Dr. Justin Ko go to medical school?

Dr. Ko graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 2020.

What drugs does Dr. Justin Ko prescribe most?

In 2024 Medicare Part D data, Dr. Ko's most prescribed drugs by claims were Atorvastatin Calcium, Simvastatin and Amlodipine Besylate.

Has Dr. Justin Ko received payments from drug or device companies?

CMS Open Payments shows $208 in general payments to Dr. Ko from 5 companies from 2023 to 2025. The largest total came from Eli Lilly and Company.

How long has Dr. Justin Ko been practicing?

Dr. Ko graduated from medical school in 2020, 6 years ago.

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