Dr. Christopher J. Ko, MD
- Medicare services, 2019
- 83
- Part D claims, 2024
- 133
- Industry payments
- $663
- Medical groups
- 2
- State licenses
- 3
- Practice address
- 3330 Lomita Blvd, Torrance, CA 90505
- Practice phone
- Call (310) 325-9110
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Torrance Memorial Medical Center
Torrance, California
Find Dr. Ko's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Christopher J. Ko is an internist in Torrance, California
Dr. Ko practices at Torrance Memorial Medical Center in Torrance, California.
Dr. Ko's NPI, 1255364105, was assigned on July 7, 2006. Dr. Ko graduated from Northwestern University Feinberg Medical School in 2003. Dr. Ko holds Virginia license 0101256632.
- NPI
- 1255364105NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840293817
- NPI enumeration date
- July 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (310) 325-9110
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher J. Ko practices at Torrance Memorial Medical Center in Torrance, California
Dr. Ko's primary practice is Torrance Memorial Medical Center, at 3330 Lomita Blvd, Torrance, CA 90505 in Los Angeles County. The practice phone is (310) 325-9110.
- Torrance Memorial Medical Center3330 Lomita Blvd, Torrance, CA 90505 · Los Angeles CountyPhone(310) 325-9110
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Christopher J. Ko is affiliated with 1 site of care and 2 medical groups
Dr. Ko's primary practice is Torrance Memorial Medical Center in Torrance, California. The medical group on file is Inova Urgent Care Center. Dmand AI also links Dr. Ko to 1 more medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Christopher J. 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.
| Site | EHR vendor and product |
|---|---|
| Torrance Memorial Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher J. Ko is one of 16,751 internists in California
Internal medicine is Dr. Ko's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Ko's licenses on file in 3 states: Virginia, Maryland and New Jersey.
Specialties and state licenses
- Internal medicine, VirginiaPrimary
- Maryland license
- New Jersey license
Internists near Dr. Ko
Counts of internists 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. Christopher J. Ko billed Medicare for 83 services in 2019
CMS data shows 83 Medicare services from Dr. Ko across 4 procedure codes in 2019. Medicare paid $5,810 for them. Every service was in an office.
Dr. Ko's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 152019: 70367%
- Lab and pathology
- 2018: 02019: 13
Dr. Ko compared with the California median for internists, 2019
- Dr. Ko
- California median
- Medicare services
- 83vs 36177% below
- Part D claims
- 15vs 42196% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Ko's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ko and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher J. Ko's patients have a median age of 45
Across all payers, Dmand AI patient panel data puts Dr. Ko's median patient age at 45, with 51% women.
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 45
Patient panel by sex, all payers
- Women51%
- Men47%
Source: Dmand AI Patient Panel Data
Dr. Christopher J. Ko wrote 133 Medicare Part D claims in 2024
In 2024, Dr. Ko wrote 133 Medicare Part D claims for 39 patients. 96% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $12,966 in total drug cost. In 2016, CMS named 79 claims across 4 drugs.
Dr. Ko's Part D claims by kind of drug, 2024
- Generic128 claims96%
- Brand-name and other5 claims4%
Dr. Ko's most prescribed drugs by claims, 2017
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
- Antibiotics11%14 of 133 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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 792017: 1581%
Drugs named by CMS: 1 in 2017, 4 in 2016.
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
Dr. Christopher J. Ko offers telehealth to Medicare patients
Dr. Ko accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ko as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Christopher J. Ko received $663 in industry payments from 2016 to 2023
CMS Open Payments shows 5 general payments to Dr. Ko from 3 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $276.
General payments to Dr. Ko by program year, 2016 to 2023
Companies that paid Dr. Ko the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Christopher J. Ko graduated from Northwestern University Feinberg Medical School
Dr. Ko graduated from Northwestern University Feinberg Medical School in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Christopher J. Ko's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Christopher J. 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. Christopher J. Ko's NPI number?
Dr. Christopher J. Ko's NPI number is 1255364105. It was assigned on July 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher J. Ko?
Dr. Christopher J. Ko is an internist in Torrance, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Christopher J. Ko practice?
Dr. Ko practices at 3330 Lomita Blvd, Torrance, CA 90505. Dr. Ko's primary practice is Torrance Memorial Medical Center in Torrance, California. Dmand AI also links Dr. Ko to 1 medical group.
What is Dr. Christopher J. Ko's office phone number?
The practice phone on file for Dr. Ko is (310) 325-9110.
What is Dr. Christopher J. Ko's medical license number?
Dr. Ko holds Virginia license 0101256632, one of the licenses on file in 3 states.
Which states has Dr. Christopher J. Ko been licensed in?
Dmand AI has state licenses on file for Dr. Ko in Virginia, Maryland and New Jersey.
What medical group is Dr. Christopher J. Ko part of?
Dr. Ko is linked to Inova Urgent Care Center. Dmand AI links Dr. Ko to 1 more medical group.
Does Dr. Christopher J. Ko accept Medicare?
Yes. CMS data shows Dr. Ko billed Medicare for 83 services in 2019, and Dr. Ko accepts Medicare assignment.
Does Dr. Christopher J. Ko offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ko as offering telehealth services.
What services does Dr. Christopher J. Ko bill to Medicare?
In 2019, Dr. Ko's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99203) and office visit, established patient (99213).
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Where did Dr. Christopher J. Ko go to medical school?
Dr. Ko graduated from Northwestern University Feinberg Medical School in 2003.
What drugs does Dr. Christopher J. Ko prescribe most?
In 2017 Medicare Part D data, Dr. Ko's most prescribed drugs by claims were Victoza 3-Pak.
Has Dr. Christopher J. Ko received payments from drug or device companies?
CMS Open Payments shows $663 in general payments to Dr. Ko from 3 companies from 2016 to 2023. The largest total came from Boston Scientific Corporation.
How long has Dr. Christopher J. Ko been practicing?
Dr. Ko graduated from medical school in 2003, 23 years ago.
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