Jonathan L. Chang, M.D.
Internal Medicine Physician · Boston, MA
Jonathan L. Chang, M.D. is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1750840955, issued on Mar 18, 2019. Check the license (Massachusetts 1015416, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jonathan L. Chang
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 1015416 MA
Self-reported in NPPES; status is on the state search - Practice location
- 725 Albany Street, Suite 9B, Boston, MA 02118
- Phone
- (617) 638-7480
- Enumerated
- Mar 18, 2019
- Record last updated
- May 29, 2026
- Fax
- (617) 638-7486
- Medicare enrollment
- Enrolled (PECOS I20260604001045); may accept Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 725 Albany Street, Suite 9B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Admon, MDInternal Medicine Physician1275896888
- Ehab Billatos, M.D.Pulmonary Disease Physician1295051225
- Eric Heckman, M.D.Sleep Medicine (Internal Medicine) Physician1861665358
- Christopher Kearney, MDPulmonary Disease Physician1912437161
- Lauren Kearney, M.D.Pulmonary Disease Physician1508398744
- Thomas Meehan, MDPulmonary Disease Physician1760045512
Verify Jonathan L. 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 1015416Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
194 Medicare Part D claims for 39 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.
Most prescribed
- Albuterol Sulfate Hfa34 claims
- Ventolin Hfa19 claims
- Azithromycin15 claims
- Prednisone14 claims
- Anoro Ellipta11 claims
- Breztri Aerosphere11 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.
Jonathan L. Chang among 6,825 internal medicine physician records in Massachusetts
Jonathan L. Chang, M.D. is one of 6,825 internal medicine 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 2019, is newer than 84% of them.
- NPI issued2019 · 84% of these records are older, 13% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2019 · median 2004 among the 4,103 with a school on file
- Record last updated2026 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,320 internal medicine physician records list a practice address in Boston
They are 2,320 of the 41,865 NPPES records with a practice address in Boston, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Boston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Daniel Alford, M.D., M.P.H.Boston, MA 021181194708628
- Lori Balestrero, MDBoston, MA 021181750384046
- Virginia Barrow, M.D.Boston, MA 021181639175466
- Monica Bharel, MDBoston, MA 021181093798084
- Claire Carlo, M.D.Boston, MA 021181336125871
- Chava Chapman, M.D., M.P.H.Boston, MA 021181558346239
- Paul Fallon, MDBoston, MA 021181437145927
- Irene Gavras, M.D.Boston, MA 021181619953601
Common questions
What is Jonathan L. Chang, M.D.'s NPI number?
Jonathan L. Chang, M.D.'s National Provider Identifier (NPI) is 1750840955, issued on Mar 18, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan L. Chang, M.D. located?
The NPPES record lists a practice address at 725 Albany Street, Suite 9B, Boston, MA, 02118. Phone: (617) 638-7480. Providers update this record themselves, so call before visiting.
How can I verify Jonathan L. Chang, M.D.'s license?
NPPES lists Massachusetts license number 1015416, 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 Jonathan L. Chang, M.D. prescribe under Medicare Part D?
In 2024, Jonathan L. Chang, M.D. had 194 Medicare Part D claims for 39 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.