James Ducksoon Chang, M.D.
Cardiovascular Disease Physician · Boston, MA
James Ducksoon Chang, M.D. is a cardiovascular disease physician with a practice address in Boston, Massachusetts, and NPI 1184661878, issued on Jun 1, 2006. Check the license (Massachusetts 73888, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- James Ducksoon Chang
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 73888 MA
Self-reported in NPPES; status is on the state search - Practice location
- 330 Brookline Avenue, Boston, MA 02215
- Phone
- (617) 632-7752
- Enumerated
- Jun 1, 2006
- Record last updated
- Jun 14, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050420000679); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,080 in Massachusetts → Look up another NPI →
Also registered at 330 Brookline Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sai Preethi Athota, MBBS, M.DStudent in an Organized Health Care Education/Training Program1811788698
Verify James Ducksoon Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 73888Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
578 Medicare Part D claims for 164 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Losartan Potassium74 claims
- Metoprolol Succinate59 claims
- Carvedilol34 claims
- Torsemide27 claims
- Amlodipine Besylate26 claims
- Eliquis26 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Beth Israel Deaconess Medical Center IncBoston, MA
- Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Ducksoon Chang among 1,080 cardiovascular disease physician records in Massachusetts
James Ducksoon Chang, M.D. is one of 1,080 cardiovascular disease physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.
- NPI issued2006 · 17% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1987 · median 2001 among the 698 with a school on file
- Record last updated2011 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
476 cardiovascular disease physician records list a practice address in Boston
They are 476 of the 41,865 NPPES records with a practice address in Boston, and 1,080 cardiovascular disease physician records in Massachusetts.
All 1,080 in Massachusetts → Every provider in Boston → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Patricia Come, M.D.Boston, MA 022151528005741
- Zareen Farukhi, M.D.Boston, MA 022151568431187
- Eli Gelfand, M.D.Boston, MA 022151659339588
- Thomas Hauser, M.D.Boston, MA 022151285671800
- Robert Healy, M.D.Boston, MA 022151295772887
- Joseph Kannam, M.D.Boston, MA 022151992742779
- Marshall Katz, M.D.Boston, MA 022151124024013
- Benet Kolman, M.D.Boston, MA 022151831146000
Common questions
What is James Ducksoon Chang, M.D.'s NPI number?
James Ducksoon Chang, M.D.'s National Provider Identifier (NPI) is 1184661878, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Ducksoon Chang, M.D. located?
The NPPES record lists a practice address at 330 Brookline Avenue, Boston, MA, 02215. Phone: (617) 632-7752. Providers update this record themselves, so call before visiting.
How can I verify James Ducksoon Chang, M.D.'s license?
NPPES lists Massachusetts license number 73888, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James Ducksoon Chang, M.D. prescribe under Medicare Part D?
In 2024, James Ducksoon Chang, M.D. had 578 Medicare Part D claims for 164 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.