Dr. Joseph Gawon Chan, DO
- Part D claims, 2024
- 2,211
- Hospital affiliations
- 1
- Industry payments
- $3,506
- Medical group
- 1
- Insurance carriers
- 8
- Practice address
- 999 San Bernardino Road, Upland, CA 91786
- Practice phone
- Call (909) 985-2811
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chan'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. Joseph Gawon Chan is a cardiologist in Upland, California
Dr. Chan practices at San Antonio Regional Hospital in Upland, California, part of San Antonio Regional Hospital.
Dr. Chan's NPI, 1922493139, was assigned on April 3, 2015. Dr. Chan graduated from WesternU College of Osteopathic Medicine of the Pacific in 2015. Dr. Chan holds California license 20A15421.
- NPI
- 1922493139NPI Registry (opens in a new tab)
- NPI enumeration date
- April 3, 2015
- NPI status
- Active
- Practice phone
- (909) 985-2811
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Joseph Gawon Chan practices at San Antonio Regional Hospital in Upland, California
Dr. Chan's primary practice is San Antonio Regional Hospital, at 999 San Bernardino Road, Upland, CA 91786 in San Bernardino County. The practice phone is (909) 985-2811.
- San Antonio Regional Hospital999 San Bernardino Road, Upland, CA 91786 · San Bernardino CountyPhone(909) 985-2811
Source: Dmand AI Affiliation Data
Dr. Joseph Gawon Chan is affiliated with 2 sites of care and 1 medical group
Dr. Chan's primary practice is San Antonio Regional Hospital in Upland, California, part of San Antonio Regional Hospital. The medical group on file is Cardio-Interventional Specialists. Dmand AI also links Dr. Chan to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joseph Gawon Chan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Antonio Regional Hospital | 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. Joseph Gawon Chan is one of 2,375 cardiologists in California
Cardiovascular disease is Dr. Chan's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Chan is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. Chan's licenses on file in 2 states: California and Florida.
Specialties and state licenses
- Cardiovascular disease, CaliforniaPrimary
- Student in an organized health care education/training program, Florida
Cardiologists near Dr. Chan
Counts of cardiologists 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. Joseph Gawon Chan's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Chan's median patient age at 72, with 55% women.
Dr. Chan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women55%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Joseph Gawon Chan wrote 2,211 Medicare Part D claims in 2024
In 2024, Dr. Chan wrote 2,211 Medicare Part D claims for 412 patients. 82% of them were for generic drugs. CMS names the drug for 2,078 of them, across 37 drugs with 11 or more claims each, at $325,395 in total drug cost. In 2023, CMS named 1,756 claims across 31 drugs.
Dr. Chan's Part D claims by kind of drug, 2024
- Generic1,811 claims82%
- Brand-name400 claims18%
Dr. Chan'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,7562024: 2,07818%
Drugs named by CMS: 37 in 2024, 31 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
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Dr. Joseph Gawon Chan received $3,506 in industry payments from 2019 to 2025
CMS Open Payments shows 119 general payments to Dr. Chan from 22 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 97% of the total. Boston Scientific Corporation paid the most, $751.
General payments to Dr. Chan by program year, 2019 to 2025
General payments to Dr. Chan by kind, 2019 to 2025
- Food and beverage$3,39097%
- Education$1163%
Companies that paid Dr. Chan the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joseph Gawon Chan graduated from WesternU College of Osteopathic Medicine of the Pacific
Dr. Chan graduated from WesternU College of Osteopathic Medicine of the Pacific in 2015.
- Medical school
- Board certified in cardiovascular disease
- Board certified in internal medicine
- Board certified in 2017 - 2025
Source: Dmand AI Professional Profile Data
Dr. Joseph Gawon Chan accepts plans from 8 insurance carriers
Dr. Chan is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- LA Care
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Humana
- Molina
Plan types Dr. Chan accepts, by number of carriers
- Medicare6
- PPO5
- HMO4
- POS3
- EPO2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Joseph Gawon Chan'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 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) |
| 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. Joseph Gawon Chan
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. Joseph Gawon Chan's NPI number?
Dr. Joseph Gawon Chan's NPI number is 1922493139. It was assigned on April 3, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph Gawon Chan?
Dr. Joseph Gawon Chan is a cardiologist in Upland, California. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Joseph Gawon Chan practice?
Dr. Chan practices at 999 San Bernardino Road, Upland, CA 91786. Dr. Chan's primary practice is San Antonio Regional Hospital in Upland, California, part of San Antonio Regional Hospital. Dmand AI also links Dr. Chan to 1 group practice or clinic.
What is Dr. Joseph Gawon Chan's office phone number?
The practice phone on file for Dr. Chan is (909) 985-2811.
What is Dr. Joseph Gawon Chan's medical license number?
Dr. Chan holds California license 20A15421, one of the licenses on file in 2 states.
Which states has Dr. Joseph Gawon Chan been licensed in?
Dmand AI has state licenses on file for Dr. Chan in California and Florida.
Which hospitals is Dr. Joseph Gawon Chan affiliated with?
Dr. Chan practices at San Antonio Regional Hospital in Upland, California.
What medical group is Dr. Joseph Gawon Chan part of?
Dr. Chan is linked to Cardio-Interventional Specialists.
Is Dr. Joseph Gawon Chan board certified?
Yes. Dr. Chan is board certified in cardiovascular disease by the American Board of Internal Medicine.
Where did Dr. Joseph Gawon Chan go to medical school?
Dr. Chan graduated from WesternU College of Osteopathic Medicine of the Pacific in 2015.
Show 4 more questionsShow fewer questions
What drugs does Dr. Joseph Gawon Chan prescribe most?
In 2024 Medicare Part D data, Dr. Chan's most prescribed drugs by claims were Metoprolol Succinate, Carvedilol and Losartan Potassium.
Has Dr. Joseph Gawon Chan received payments from drug or device companies?
CMS Open Payments shows $3,506 in general payments to Dr. Chan from 22 companies from 2019 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Joseph Gawon Chan been practicing?
Dr. Chan graduated from medical school in 2015, 11 years ago.
What insurance does Dr. Joseph Gawon Chan accept?
Dr. Chan is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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