Dr. John K. Cho, MD
- Medicare services, 2023
- 31
- Medicare patients, 2024
- 32
- Hospital affiliations
- 1
- Industry payments
- $73
- Medical group
- 1
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-3910
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fontana Medical Center
Fontana, California
Find Dr. Cho'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. John K. Cho is a diagnostic radiologist in Fontana, California
Dr. Cho practices at Fontana Medical Center in Fontana, California.
Dr. Cho's NPI, 1699087486, was assigned on July 8, 2010. Dr. Cho graduated from SUNY Downstate Health Sciences University in 2009. Dr. Cho holds California license A115301.
- NPI
- 1699087486NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294041703
- NPI enumeration date
- July 8, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-3910
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John K. Cho practices at Fontana Medical Center in Fontana, California
Dr. Cho's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-3910.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-3910
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John K. Cho is affiliated with 2 sites of care and 1 medical group
Dr. Cho's primary practice is Fontana Medical Center in Fontana, California. Dr. Cho is also affiliated with Harbor-UCLA Medical Center. The medical group on file is Southern California Permanente Medical Group.
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. John K. Cho's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cho practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John K. Cho is one of 4,096 diagnostic radiologists in California
Diagnostic radiology is Dr. Cho's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Cho is board certified in diagnostic radiology by the American Board of Radiology. Dr. Cho is licensed in California.
Specialties and state licenses
- Diagnostic radiology, CaliforniaPrimary
Diagnostic radiologists near Dr. Cho
Counts of diagnostic radiologists 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. John K. Cho billed Medicare for 31 services in 2023
CMS data shows 31 Medicare services from Dr. Cho across 1 procedure code in 2023, for 32 Medicare patients. Medicare paid $2,081 for them.
Dr. Cho's Medicare services by type, 2020 to 2023
- 2020
- 2023
- Imaging
- 2020: 152023: 31107%
Where Dr. Cho's Medicare services took place, 2023
- In an office1548%
- In a facility1652%
Dr. Cho compared with the California median for diagnostic radiologists, 2023
- Dr. Cho
- California median
- Medicare services
- 31vs 2,28199% below
- Medicare patients
- 32vs 1,34698% below
Medians across 3,734 diagnostic radiologists in California with Dmand AI profiles that report each measure.
Dr. Cho's most billed Medicare procedure codes, 2023
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. Cho and other diagnostic radiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John K. Cho treated 32 Medicare patients in 2024, average age 67
CMS counts 32 Medicare patients who saw Dr. Cho in 2024. The largest group is 65 to 74, with 17 patients. 56% of them have high cholesterol, and 53% have diabetes. 53% are also on Medicaid. Their average risk score is 1.71, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Cho's median patient age at 56, with 99% women.
Dr. Cho's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Cho's Medicare patients, 2024
- High cholesterol56%
- Diabetes53%
- High blood pressure53%
- Chronic kidney disease34%
- Mood disorders34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Cho's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women99%
- Men1%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. John K. Cho takes part in Medicare
Dr. Cho accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John K. Cho received $73 in industry payments from 2020 to 2022
CMS Open Payments shows 5 general payments to Dr. Cho from 2 drug and device companies from 2020 to 2022. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $51.
General payments to Dr. Cho by program year, 2020 to 2022
Companies that paid Dr. Cho the most, 2020 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John K. Cho graduated from SUNY Downstate Health Sciences University
Dr. Cho graduated from SUNY Downstate Health Sciences University in 2009.
- Medical school
- Board certified in diagnostic radiology
Source: Dmand AI Professional Profile Data
Dr. John K. Cho accepts plans from 2 insurance carriers
Dr. Cho is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Cho accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. John K. Cho'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 DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. John K. Cho
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. John K. Cho's NPI number?
Dr. John K. Cho's NPI number is 1699087486. It was assigned on July 8, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. John K. Cho?
Dr. John K. Cho is a diagnostic radiologist in Fontana, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. John K. Cho practice?
Dr. Cho practices at 9961 Sierra Ave, Fontana, CA 92335. Dr. Cho's primary practice is Fontana Medical Center in Fontana, California.
What is Dr. John K. Cho's office phone number?
The practice phone on file for Dr. Cho is (909) 427-3910.
What is Dr. John K. Cho's medical license number?
Dr. Cho holds California license A115301.
Which hospitals is Dr. John K. Cho affiliated with?
Dr. Cho is affiliated with Harbor-UCLA Medical Center.
What medical group is Dr. John K. Cho part of?
Dr. Cho is linked to Southern California Permanente Medical Group.
Does Dr. John K. Cho accept Medicare?
Yes. CMS data shows Dr. Cho billed Medicare for 31 services in 2023, and Dr. Cho accepts Medicare assignment.
How many Medicare patients does Dr. John K. Cho see?
CMS counts 32 Medicare patients who saw Dr. Cho in 2024, with an average age of 67.
Is Dr. John K. Cho board certified?
Yes. Dr. Cho is board certified in diagnostic radiology by the American Board of Radiology.
Show 5 more questionsShow fewer questions
What services does Dr. John K. Cho bill to Medicare?
In 2023, Dr. Cho's most billed Medicare services were radiation oncology (77067).
Where did Dr. John K. Cho go to medical school?
Dr. Cho graduated from SUNY Downstate Health Sciences University in 2009.
Has Dr. John K. Cho received payments from drug or device companies?
CMS Open Payments shows $73 in general payments to Dr. Cho from 2 companies from 2020 to 2022. The largest total came from Abbvie Inc.
How long has Dr. John K. Cho been practicing?
Dr. Cho graduated from medical school in 2009, 17 years ago.
What insurance does Dr. John K. Cho accept?
Dr. Cho is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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