Dr. James Ducksoon D. Chang, MD
- Medicare services, 2024
- 2,493
- Medicare patients, 2024
- 1,430
- Part D claims, 2024
- 578
- Hospital affiliations
- 5
- Medical groups
- 3
- Practice address
- 330 Brookline Avenue, Boston, MA 02215
- Practice phone
- Call (617) 667-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. James Ducksoon D. Chang is a cardiologist in Boston, Massachusetts
Dr. Chang practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health.
Dr. Chang's NPI, 1184661878, was assigned on June 1, 2006. Dr. Chang graduated from University of Connecticut School of Medicine in 1987. Dr. Chang holds Massachusetts license 73888.
- NPI
- 1184661878NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012955081
- NPI enumeration date
- June 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 667-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Ducksoon D. Chang practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts
Dr. Chang's primary practice is Beth Israel Deaconess Medical Center, at 330 Brookline Avenue, Boston, MA 02215 in Suffolk County. The practice phone is (617) 667-7000.
- Beth Israel Deaconess Medical Center330 Brookline Avenue, Boston, MA 02215 · Suffolk CountyPhone(617) 667-7000
Source: Dmand AI Affiliation Data
Dr. James Ducksoon D. Chang is affiliated with 5 sites of care and 3 medical groups
Dr. Chang's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dr. Chang is also affiliated with Brigham and Women's Hospital. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI also links Dr. Chang to 3 more hospitals and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James Ducksoon D. Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Beth Israel Deaconess Medical Center | Available with a free account |
| +4 more sites and 2 medical groups | 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 Beth Israel Lahey Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. James Ducksoon D. Chang is one of 840 cardiologists in Massachusetts
Cardiovascular disease is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Chang is licensed in Massachusetts.
Specialties and state licenses
- Cardiovascular disease, MassachusettsPrimary
Cardiologists near Dr. Chang
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. James Ducksoon D. Chang billed Medicare for 2,493 services in 2024
CMS data shows 2,493 Medicare services from Dr. Chang across 20 procedure codes in 2024, for 1,430 Medicare patients. Medicare paid $94,702 for them.
Dr. Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,9442024: 1,8923%
- Office and hospital visits
- 2023: 5632024: 5701%
- Imaging
- 2023: 322024: 313%
Where Dr. Chang's Medicare services took place, 2024
- In an office181%
- In a facility2,47599%
Dr. Chang compared with the Massachusetts median for cardiologists, 2024
- Dr. Chang
- Massachusetts median
- Medicare services
- 2,493vs 1,61255% above
- Medicare patients
- 1,430vs 95650% above
- Part D claims
- 400vs 84653% below
Medians across 817 cardiologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Chang'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Ducksoon D. Chang treated 1,430 Medicare patients in 2024, average age 76
CMS counts 1,430 Medicare patients who saw Dr. Chang in 2024. The largest group is 75 to 84, with 554 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 2.29, 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. Chang's median patient age at 71, with 47% women.
Dr. Chang's Medicare patients by age, 2024
Dr. Chang's Medicare patients by sex, 2024
- Women68148%
- Men74952%
Chronic conditions among Dr. Chang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Heart failure55%
- Ischemic heart disease55%
- Atrial fibrillation48%
- Arthritis47%
- Chronic kidney disease44%
- Diabetes39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Ducksoon D. Chang wrote 578 Medicare Part D claims in 2024
In 2024, Dr. Chang wrote 578 Medicare Part D claims for 164 patients. 89% of them were for generic drugs. CMS names the drug for 400 of them, across 13 drugs with 11 or more claims each, at $30,596 in total drug cost. In 2023, CMS named 459 claims across 14 drugs.
Dr. Chang's Part D claims by kind of drug, 2024
- Generic512 claims89%
- Brand-name66 claims11%
Dr. Chang'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: 4592024: 40013%
Drugs named by CMS: 13 in 2024, 14 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 Ducksoon D. Chang takes part in Medicare
Dr. Chang 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 Ducksoon D. Chang graduated from University of Connecticut School of Medicine
Dr. Chang graduated from University of Connecticut School of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James Ducksoon D. Chang'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) |
| 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. James Ducksoon D. Chang
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 Ducksoon D. Chang's NPI number?
Dr. James Ducksoon D. Chang's NPI number is 1184661878. It was assigned on June 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James Ducksoon D. Chang?
Dr. James Ducksoon D. Chang is a cardiologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. James Ducksoon D. Chang practice?
Dr. Chang practices at 330 Brookline Avenue, Boston, MA 02215. Dr. Chang's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Chang to 3 hospitals and 2 medical groups.
What is Dr. James Ducksoon D. Chang's office phone number?
The practice phone on file for Dr. Chang is (617) 667-7000.
What is Dr. James Ducksoon D. Chang's medical license number?
Dr. Chang holds Massachusetts license 73888.
Which hospitals is Dr. James Ducksoon D. Chang affiliated with?
Dr. Chang practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts. Dr. Chang is also affiliated with Brigham and Women's Hospital. Dmand AI links Dr. Chang to 3 more hospitals.
What medical group is Dr. James Ducksoon D. Chang part of?
Dr. Chang is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI links Dr. Chang to 2 more medical groups.
Does Dr. James Ducksoon D. Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 2,493 services in 2024, and Dr. Chang accepts Medicare assignment.
How many Medicare patients does Dr. James Ducksoon D. Chang see?
CMS counts 1,430 Medicare patients who saw Dr. Chang in 2024, with an average age of 76.
What services does Dr. James Ducksoon D. Chang bill to Medicare?
In 2024, Dr. Chang's most billed Medicare services were heart test or procedure (93306), heart test or procedure (93010) and office visit, established patient (99214).
Show 3 more questionsShow fewer questions
Where did Dr. James Ducksoon D. Chang go to medical school?
Dr. Chang graduated from University of Connecticut School of Medicine in 1987.
What drugs does Dr. James Ducksoon D. Chang prescribe most?
In 2024 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Losartan Potassium, Metoprolol Succinate and Carvedilol.
How long has Dr. James Ducksoon D. Chang been practicing?
Dr. Chang graduated from medical school in 1987, 39 years ago.
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