Michael C. Chiang, MD, PHD
Physical Medicine & Rehabilitation Physician · Charlestown, MA
Michael C. Chiang, MD, PHD is a physical medicine & rehabilitation physician with a practice address in Charlestown, Massachusetts, and NPI 1316524846, issued on Mar 29, 2021. Check the license (Massachusetts 1021475, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Michael C. Chiang
- Credential
- MD, PHD
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- 1021475 MA
Self-reported in NPPES; status is on the state search - Practice location
- 300 1St Ave, Charlestown, MA 02129
- Phone
- (310) 619-1934
- Enumerated
- Mar 29, 2021
- Record last updated
- May 20, 2026
- Medicare enrollment
- Enrolled (PECOS I20250709001472); may accept Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 2020
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 353 in Massachusetts → Look up another NPI →
Also registered at 300 1St Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Angela Alves, LICSWClinical Social Worker1972096774
- Eva Amram, MDStudent in an Organized Health Care Education/Training Program1982499059
- Jamie AnastasiaPediatric Nurse Practitioner1275197337
- Daniel Barron, M.D., PH.D.Pain Medicine Physician1457707333
- Mariann BonarrigoOccupational Therapist1407220411
Verify Michael C. Chiang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1021475Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
95 Medicare Part D claims for 13 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Atorvastatin Calcium12 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
- Blw Medical Services LLCWoburn, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael C. Chiang among 353 physical medicine & rehabilitation physician records in Massachusetts
Michael C. Chiang, MD, PHD is one of 353 physical medicine & rehabilitation physician records with a practice address in Massachusetts. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2020 · median 2006 among the 209 with a school on file
- Record last updated2026 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 physical medicine & rehabilitation physician records list a practice address in Charlestown
They are 21 of the 421 NPPES records with a practice address in Charlestown, and 353 physical medicine & rehabilitation physician records in Massachusetts.
All 353 in Massachusetts → Every provider in Charlestown → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- Maria Bascaran-RamirezCharlestown, MA 021291629336409
- Jonathan Bean, MDBoston, MA 021291730160953
- Stephanie Cho, M.D.Charleston, MA 021291801061809
- Melissa ColbertCharlestown, MA 021291720372931
- Scott Homer, M.D.Charlestown, MA 021291326332230
- Donna Huang, M.D.Boston, MA 021291851711170
- Sasha Knowlton, M.D.Charlestown, MA 021291588927917
- Sabrina Paganoni, MD, PHDCharlestown, MA 021291831350065
Common questions
What is Michael C. Chiang, MD, PHD's NPI number?
Michael C. Chiang, MD, PHD's National Provider Identifier (NPI) is 1316524846, issued on Mar 29, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Michael C. Chiang, MD, PHD located?
The NPPES record lists a practice address at 300 1St Ave, Charlestown, MA, 02129. Phone: (310) 619-1934. Providers update this record themselves, so call before visiting.
How can I verify Michael C. Chiang, MD, PHD's license?
NPPES lists Massachusetts license number 1021475, 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 Michael C. Chiang, MD, PHD prescribe under Medicare Part D?
In 2024, Michael C. Chiang, MD, PHD had 95 Medicare Part D claims for 13 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. 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.