Mazen Toushan, M.D.
Anatomic Pathology & Clinical Pathology Physician · Brighton, MA
Mazen Toushan, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Brighton, Massachusetts, and NPI 1407262918, issued on Jul 3, 2014. Check the license (Massachusetts 290712, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mazen Toushan
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- 290712 MA
Self-reported in NPPES; status is on the state search - Practice location
- 736 Cambridge St., Brighton, MA 02135
- Phone
- (617) 789-7575
- Enumerated
- Jul 3, 2014
- Record last updated
- Jun 29, 2026
- Medicaid ID
- 110179980A MA
- Medicare enrollment
- Enrolled (PECOS I20211203001101); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 542 in Massachusetts → Look up another NPI →
Also registered at 736 Cambridge St.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nancy Louca, M.D.Emergency Medicine Physician1861657272
Verify Mazen Toushan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 290712Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Bmc Affiliated Physicians, Inc.Brockton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mazen Toushan among 542 anatomic pathology & clinical pathology physician records in Massachusetts
Mazen Toushan, M.D. is one of 542 anatomic pathology & clinical pathology physician records with a practice address in Massachusetts. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 69% of them.
- NPI issued2014 · 69% of these records are older, 27% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2009 · median 2004 among the 305 with a school on file
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Massachusetts
There are 542 anatomic pathology & clinical pathology physician records in Massachusetts.
All 542 in Massachusetts → Every provider in Brighton → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Lori Adcock, M.D.Brighton, MA 021351013954023
- Leo Aish, M.D.Brighton, MA 021351194799122
- Mazen Duwaji, MDBrighton, MA 021351629067152
- Aishatu Ladu, MD, MPHBrighton, MA 021351629424700
- Anita Malek, M.DBrighton, MA 021351851656276
- Thomas O'Keefe, M.D.Brighton, MA 021351124096714
- Aleksandr Perepletchikov, MD, PHDBrighton, MA 021351417077678
- Douglas SchneiderBrighton, MA 021351760564470
Common questions
What is Mazen Toushan, M.D.'s NPI number?
Mazen Toushan, M.D.'s National Provider Identifier (NPI) is 1407262918, issued on Jul 3, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Mazen Toushan, M.D. located?
The NPPES record lists a practice address at 736 Cambridge St., Brighton, MA, 02135. Phone: (617) 789-7575. Providers update this record themselves, so call before visiting.
How can I verify Mazen Toushan, M.D.'s license?
NPPES lists Massachusetts license number 290712, 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.
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.