Matthew Defazio, MD
Orthopaedic Surgery Physician · Worcester, MA
Matthew Defazio, MD is an orthopaedic surgery physician with a practice address in Worcester, Massachusetts, and NPI 1699303024, issued on Mar 31, 2020. Check the license (Massachusetts 1022482, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Matthew Defazio
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 1022482 MA
Self-reported in NPPES; status is on the state search - Practice location
- 281 Lincoln St, Worcester, MA 01605
- Phone
- (508) 334-5916
- Enumerated
- Mar 31, 2020
- Record last updated
- Oct 7, 2025
- Fax
- (508) 793-6326
- Medicare enrollment
- Enrolled (PECOS I20251020001962); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2020
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 692 in Massachusetts → Look up another NPI →
Also registered at 281 Lincoln St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Aaron, M.D.Orthopaedic Surgery Physician1518184605
- Andressa Akabane, MD MMSCStudent in an Organized Health Care Education/Training Program1942903265
- Mustafa Akyurek, M.D.Plastic and Reconstructive Surgery Physician1275523623
- Christina Alavian, M.D.Dermatology Physician1356376461
- Rasha Amiri, M.D.Internal Medicine Physician1750589669
- Shideh Amirifeli, M.D.Internal Medicine Physician1083763890
Verify Matthew Defazio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1022482Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
61 Medicare Part D claims for 24 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 22 claims were for opioids.
Most prescribed
- Oxycodone Hcl16 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
- Umass Memorial Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Defazio among 692 orthopaedic surgery physician records in Massachusetts
Matthew Defazio, MD is one of 692 orthopaedic surgery physician records with a practice address in Massachusetts. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 88% of them.
- NPI issued2020 · 88% of these records are older, 7% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2020 · median 2004 among the 441 with a school on file
- Record last updated2025 · 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 207X00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Massachusetts
There are 692 orthopaedic surgery physician records in Massachusetts.
All 692 in Massachusetts → Every provider in Worcester → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Daniel Aaron, M.D.Worcester, MA 016051518184605
- David Ayers, M.D.Worcester, MA 016051235129594
- Norman Beisaw, M.D.Worcester, MA 016051720062961
- Thomas Breen, M.D.Worcester, MA 016051205810017
- Patrick Connolly, M.D.Worcester, MA 016051730170358
- Peyton Hays, M.D.Worcester, MA 016051912059429
- Hwa Hsieh, M.D.Worcester, MA 016051518941640
- Marshall Katzen, MDWorcester, MA 016051326140682
Common questions
What is Matthew Defazio, MD's NPI number?
Matthew Defazio, MD's National Provider Identifier (NPI) is 1699303024, issued on Mar 31, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Defazio, MD located?
The NPPES record lists a practice address at 281 Lincoln St, Worcester, MA, 01605. Phone: (508) 334-5916. Providers update this record themselves, so call before visiting.
How can I verify Matthew Defazio, MD's license?
NPPES lists Massachusetts license number 1022482, 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 Matthew Defazio, MD prescribe under Medicare Part D?
In 2024, Matthew Defazio, MD had 61 Medicare Part D claims for 24 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.