Dr. James Chae-Chon Son, MD
- Medicare services, 2024
- 43
- Medicare patients, 2024
- 24
- Part D claims, 2024
- 1,529
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 225 N Jackson Avenue, San Jose, CA 95116
- Practice phone
- Call (408) 259-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Son'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. James Chae-Chon Son is an internist in San Jose, California
Dr. Son practices at Regional Medical Center in San Jose, California, part of County of Santa Clara, CA.
Dr. Son's NPI, 1972535680, was assigned on July 6, 2006. Dr. Son graduated from St. George's University School of Medicine in 1992. Dr. Son's California license number on file is A055194.
- NPI
- 1972535680NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668639683
- NPI enumeration date
- July 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 259-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Chae-Chon Son practices at Regional Medical Center in San Jose, California
Dr. Son's primary practice is Regional Medical Center, at 225 N Jackson Avenue, San Jose, CA 95116 in Santa Clara County. The practice phone is (408) 259-5000.
- Regional Medical Center225 N Jackson Avenue, San Jose, CA 95116 · Santa Clara CountyPhone(408) 259-5000
Source: Dmand AI Affiliation Data
Dr. James Chae-Chon Son is affiliated with 1 site of care
Dr. Son's primary practice is Regional Medical Center in San Jose, California, part of County of Santa Clara, CA.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James Chae-Chon Son's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Son practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Regional Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across County of Santa Clara, CA and 6.2K+ hospitals, with verified contacts in the same login.
Dr. James Chae-Chon Son is one of 16,751 internists in California
Internal medicine is Dr. Son's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Son's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- New York license
Clinical focus
Dmand AI lists acute gastroduodenitis, chronic hypertension, high cholesterol, joint pain, muscle pain, fibromyalgia, and limb pain and pneumonia among the conditions Dr. Son treats.
Internists near Dr. Son
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. James Chae-Chon Son billed Medicare for 43 services in 2024
CMS data shows 43 Medicare services from Dr. Son across 2 procedure codes in 2024, for 24 Medicare patients. Medicare paid $4,776 for them. Every service was in an office.
Dr. Son's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 292024: 2224%
- Other services
- 2023: 242024: 2113%
Dr. Son compared with the California median for internists, 2024
- Dr. Son
- California median
- Medicare services
- 43vs 36188% below
- Medicare patients
- 24vs 15184% below
- Part D claims
- 1,229vs 4212.9 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Son'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.
Need commercial claims for Dr. Son?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Son and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Chae-Chon Son treated 24 Medicare patients in 2024, average age 76
CMS counts 24 Medicare patients who saw Dr. Son in 2024. The largest group is 75 to 84, with 12 patients. 75% of them have high cholesterol, and 63% have high blood pressure. Their average risk score is 0.62, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Son's median patient age at 54, with 41% women.
Dr. Son's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Son's Medicare patients, 2024
- High cholesterol75%
- High blood pressure63%
- Diabetes50%
Share of Medicare patients with each condition. A patient can have several.
Dr. Son's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women41%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Chae-Chon Son wrote 1,529 Medicare Part D claims in 2024
In 2024, Dr. Son wrote 1,529 Medicare Part D claims for 130 patients. 94% of them were for generic drugs. CMS names the drug for 1,229 of them, across 30 drugs with 11 or more claims each, at $18,913 in total drug cost. In 2023, CMS named 1,299 claims across 36 drugs.
Dr. Son's Part D claims by kind of drug, 2024
- Generic1,438 claims94%
- Brand-name and other91 claims6%
Dr. Son'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. Son's Part D claims, 2024
- Antibiotics2%28 of 1,529 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: 1,2992024: 1,2295%
Drugs named by CMS: 30 in 2024, 36 in 2023.
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
How Dr. James Chae-Chon Son takes part in Medicare
Dr. Son 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. James Chae-Chon Son has 1 publication on record
Dmand AI links 1 paper to Dr. Son in 2019. Dr. Son's most frequent co-authors are Germame Hailegiorgis Ajebo, MD, Abdullah Kutlar, MD and Abhishek Avinash Mangaonkar.
Dr. Son's most frequent co-authors
- Germame Hailegiorgis Ajebo, MD1 shared paper
- Abdullah Kutlar, MD1 shared paper
- Abhishek Avinash Mangaonkar1 shared paper
Recent publications by Dr. Son
See who Dr. Son researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Son works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. James Chae-Chon Son received $380 in industry payments from 2016 to 2018
CMS Open Payments shows 4 general payments to Dr. Son from 1 drug or device company from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $380.
General payments to Dr. Son by program year, 2016 to 2018
Companies that paid Dr. Son the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James Chae-Chon Son graduated from St. George's University School of Medicine
Dr. Son graduated from St. George's University School of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. James Chae-Chon Son accepts plans from 14 insurance carriers
Dr. Son is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +6 more carriersWith a free account
Plan types Dr. Son accepts, by number of carriers
- PPO9
- Medicare8
- HMO6
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. James Chae-Chon Son'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. James Chae-Chon Son
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. James Chae-Chon Son's NPI number?
Dr. James Chae-Chon Son's NPI number is 1972535680. It was assigned on July 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James Chae-Chon Son?
Dr. James Chae-Chon Son is an internist in San Jose, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. James Chae-Chon Son practice?
Dr. Son practices at 225 N Jackson Avenue, San Jose, CA 95116. Dr. Son's primary practice is Regional Medical Center in San Jose, California, part of County of Santa Clara, CA.
What is Dr. James Chae-Chon Son's office phone number?
The practice phone on file for Dr. Son is (408) 259-5000.
What is Dr. James Chae-Chon Son's medical license number?
Dr. Son's California license number on file is A055194, one of the licenses on file in 2 states.
Which states has Dr. James Chae-Chon Son been licensed in?
Dmand AI has state licenses on file for Dr. Son in California (1995 to 2025) and New York (1993 to 1995).
Which hospitals is Dr. James Chae-Chon Son affiliated with?
Dr. Son practices at Regional Medical Center in San Jose, California.
Does Dr. James Chae-Chon Son accept Medicare?
Yes. CMS data shows Dr. Son billed Medicare for 43 services in 2024, and Dr. Son accepts Medicare assignment.
How many Medicare patients does Dr. James Chae-Chon Son see?
CMS counts 24 Medicare patients who saw Dr. Son in 2024, with an average age of 76.
What services does Dr. James Chae-Chon Son bill to Medicare?
In 2024, Dr. Son's most billed Medicare services were office visit, established patient (99213) and medicare service (G0439).
Show 7 more questionsShow fewer questions
Where did Dr. James Chae-Chon Son go to medical school?
Dr. Son graduated from St. George's University School of Medicine in 1992.
What drugs does Dr. James Chae-Chon Son prescribe most?
In 2024 Medicare Part D data, Dr. Son's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.
Has Dr. James Chae-Chon Son received payments from drug or device companies?
CMS Open Payments shows $380 in general payments to Dr. Son from 1 company from 2016 to 2018. The largest total came from Gilead Sciences, Inc.
How long has Dr. James Chae-Chon Son been practicing?
Dr. Son graduated from medical school in 1992, 34 years ago.
Does Dr. James Chae-Chon Son do research?
Dmand AI links 1 publication to Dr. Son.
Who does Dr. James Chae-Chon Son publish with?
Dr. Son's most frequent co-authors are Germame Hailegiorgis Ajebo, MD (1 shared paper), Abdullah Kutlar, MD (1 shared paper) and Abhishek Avinash Mangaonkar (1 shared paper).
What insurance does Dr. James Chae-Chon Son accept?
Dr. Son is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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