Matthew Richard Leibowitz, M.D.
Infectious Disease Physician · Newton, MA
Matthew Richard Leibowitz, M.D. is an infectious disease physician with a practice address in Newton, Massachusetts, and NPI 1124047063, issued on Jul 19, 2006. Check the license (Massachusetts 80315, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Matthew Richard Leibowitz
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- 80315 MA
G82313 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2014 Washington St, Newton, MA 02462
- Phone
- (617) 243-6597
- Enumerated
- Jul 19, 2006
- Record last updated
- Apr 22, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (617) 243-6575
- Medicaid ID
- 00G823130 CA
- Medicare enrollment
- Enrolled (PECOS I20160321001214); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 487 in Massachusetts → Look up another NPI →
Also registered at 2014 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Todd Abbott, M.D.Anatomic Pathology & Clinical Pathology Physician1013057454
- Tatiana Abrantes, MDStudent in an Organized Health Care Education/Training Program1962107250
- Maura Adrian, LICSWSocial Worker1083106918
- Davies Agyekum, M.D., PHDAnesthesiology Physician1134651425
- Tarik Alkasab, M.D., PH.D.Diagnostic Radiology Physician1154305803
Verify Matthew Richard Leibowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 80315Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average infectious disease physician in 2024
363 Medicare Part D claims for 74 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Methenamine Hippurate50 claims
- Sulfamethoxazole-Trimethoprim42 claims
- Cefadroxil35 claims
- Biktarvy34 claims
- Doxycycline Monohydrate34 claims
- Vancomycin Hcl26 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
- Mass General Brigham Medical Group Suburban Massachusetts IncNewton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Richard Leibowitz among 487 infectious disease physician records in Massachusetts
Matthew Richard Leibowitz, M.D. is one of 487 infectious disease physician records with a practice address in Massachusetts. 69% 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, 47% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1992 · median 2003 among the 296 with a school on file
- Record last updated2016 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Massachusetts
There are 487 infectious disease physician records in Massachusetts.
All 487 in Massachusetts → Every provider in Newton → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Mark Drapkin, M.D.Newton, MA 024621508891599
- Michael Lew, M.D.Newton, MA 024621811962079
- Brita Lundberg, M.D.Newton Centre, MA 024591033253729
- Robert Roth, M.D.Auburndale, MA 024661821289489
- James Breeling, MDChestnut Hill, MA 024671730281320
- Steven McCallister, MDWatertown, MA 024721114189651
- Mary Sabolsi, MD, MPHWaltham, MA 024511386679439
- James Maguire, M.D., M.P.H.Brookline, MA 024451770544363
Common questions
What is Matthew Richard Leibowitz, M.D.'s NPI number?
Matthew Richard Leibowitz, M.D.'s National Provider Identifier (NPI) is 1124047063, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Richard Leibowitz, M.D. located?
The NPPES record lists a practice address at 2014 Washington St, Newton, MA, 02462. Phone: (617) 243-6597. Providers update this record themselves, so call before visiting.
How can I verify Matthew Richard Leibowitz, M.D.'s license?
NPPES lists Massachusetts license number 80315, 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 Richard Leibowitz, M.D. prescribe under Medicare Part D?
In 2024, Matthew Richard Leibowitz, M.D. had 363 Medicare Part D claims for 74 beneficiaries; the average among infectious disease physician prescribers was 689. 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.