John Mashikian, MD
Anesthesiology Physician · Brockton, MA
John Mashikian, MD is an anesthesiology physician with a practice address in Brockton, Massachusetts, and NPI 1457344574, issued on Aug 24, 2005. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- John Mashikian
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- MD11923 RI
Self-reported in NPPES; status is on the state search - Practice location
- 680 Centre St, Brockton, MA 02302
- Phone
- (401) 490-2130
- Enumerated
- Aug 24, 2005
- Record last updated
- Jun 25, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (401) 435-2483
- Medicaid ID
- 3134831 MA
- Medicare enrollment
- Enrolled (PECOS I20050630001016); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Stony Brook, School Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 2,089 in Massachusetts → Look up another NPI →
Also registered at 680 Centre St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Waseem Amjad, MDInternal Medicine Physician1356737332
- Shaun Antonio, DOEmergency Medicine Physician1245811603
Verify John Mashikian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck 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
- ON Demand Anesthesia LLCHyannis, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Mashikian among 2,089 anesthesiology physician records in Massachusetts
John Mashikian, MD is one of 2,089 anesthesiology physician records with a practice address in Massachusetts. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 82% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1990 · median 2008 among the 1,472 with a school on file
- Record last updated2008 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in Massachusetts
There are 2,089 anesthesiology physician records in Massachusetts.
All 2,089 in Massachusetts → Every provider in Brockton → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Yeonil Choe, MDBrockton, MA 023021376592485
- Sheila Lefevre, M.D.Brockton, MA 023021861437170
- Aaron Muncey, M.D.Brockton, MA 023021578881348
- John O'Hara, M.D.Brockton, MA 023021326303124
- Schahid Rawoof, MDBrockton, MA 023021649270182
- Peter Andersen, M.D.Brockton, MA 023011245420967
- Susan Banez, M.D.Brockton, MA 023011952516072
- Rajiv Doshi, M.D.Brockton, MA 023011548334196
Common questions
What is John Mashikian, MD's NPI number?
John Mashikian, MD's National Provider Identifier (NPI) is 1457344574, issued on Aug 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Mashikian, MD located?
The NPPES record lists a practice address at 680 Centre St, Brockton, MA, 02302. Phone: (401) 490-2130. Providers update this record themselves, so call before visiting.
How can I verify John Mashikian, MD's license?
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.