Lee-Shing Chang, M.D.
Endocrinology, Diabetes & Metabolism Physician · Boston, MA
Lee-Shing Chang, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Boston, Massachusetts, and NPI 1033473624, issued on Jun 27, 2012. Check the license (Massachusetts 275275, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Lee-Shing Chang
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- 275275 MA
263128 MA
Self-reported in NPPES; status is on the state search - Practice location
- 221 Longwood Avenue, Rfb-2, Boston, MA 02115
- Phone
- (617) 732-5666
- Enumerated
- Jun 27, 2012
- Record last updated
- Sep 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (617) 525-0436
- Medicare enrollment
- Enrolled (PECOS I20181015002820); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 522 in Massachusetts → Look up another NPI →
Also registered at 221 Longwood Avenue, Rfb-2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sylvia Kehlenbrink Oh, M.D.Endocrinology, Diabetes & Metabolism Physician1770809147
Verify Lee-Shing 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 275275Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
1,594 Medicare Part D claims for 239 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Levothyroxine Sodium138 claims
- Alendronate Sodium135 claims
- Jardiance135 claims
- Ozempic129 claims
- Metformin Hcl115 claims
- Metformin Hcl Er91 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 one group practice
- Brigham And Womens Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lee-Shing Chang among 522 endocrinology, diabetes & metabolism physician records in Massachusetts
Lee-Shing Chang, M.D. is one of 522 endocrinology, diabetes & metabolism physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 72% of them.
- NPI issued2012 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2012 · median 2002 among the 378 with a school on file
- Record last updated2020 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Massachusetts
There are 522 endocrinology, diabetes & metabolism physician records in Massachusetts.
All 522 in Massachusetts → Every provider in Boston → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Gail Adler, MD PHDBoston, MA 021151780675280
- Shehzad Basaria, MDBoston, MA 021151699730101
- Edward Brown, MDBoston, MA 021151871550137
- Margo Hudson, MDBoston, MA 021151922065242
- Ursula Kaiser, MDBoston, MA 021151053377374
- Nikheel Kolatkar, M.D.Boston, MA 021151396748463
- P Larsen, MDBoston, MA 021151700842952
- Meryl Leboff, MDBoston, MA 021151235106030
Common questions
What is Lee-Shing Chang, M.D.'s NPI number?
Lee-Shing Chang, M.D.'s National Provider Identifier (NPI) is 1033473624, issued on Jun 27, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Lee-Shing Chang, M.D. located?
The NPPES record lists a practice address at 221 Longwood Avenue, Rfb-2, Boston, MA, 02115. Phone: (617) 732-5666. Providers update this record themselves, so call before visiting.
How can I verify Lee-Shing Chang, M.D.'s license?
NPPES lists Massachusetts license number 275275, 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 Lee-Shing Chang, M.D. prescribe under Medicare Part D?
In 2024, Lee-Shing Chang, M.D. had 1,594 Medicare Part D claims for 239 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.