Grant Wei, M.D.
Emergency Medicine Physician · Brockton, MA
Grant Wei, M.D. is an emergency medicine physician with a practice address in Brockton, Massachusetts, and NPI 1083647457, issued on Jul 9, 2006. Check the license (Massachusetts 224370, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Grant Wei
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 224370 MA
Self-reported in NPPES; status is on the state search - Practice location
- 680 Centre St, Brockton, MA 02302
- Phone
- (508) 941-7400
- Enumerated
- Jul 9, 2006
- Record last updated
- Feb 27, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicaid ID
- 0180092 NJ
- Medicare enrollment
- Enrolled (PECOS I20090126000563); accepts Medicare assignment
- Medical or professional school
- Warren Alpert Medical School Of Brown University, 2002
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 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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Verify Grant Wei in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 224370Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average emergency medicine physician in 2024
72 Medicare Part D claims for 55 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $20.00
1 payment: education; the largest payer was Csl Behring. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Rwjbh Emergency Medicine Associates, LLCNew Brunswick, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grant Wei among 1,829 emergency medicine physician records in Massachusetts
Grant Wei, M.D. is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 82% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2002 · median 2011 among the 1,200 with a school on file
- Record last updated2009 · 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 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
74 emergency medicine physician records list a practice address in Brockton
They are 74 of the 4,287 NPPES records with a practice address in Brockton, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Brockton → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jose Mario Corona, M.D.Brockton, MA 023021538109061
- Andrew Deane, M.D.Brockton, MA 023021457333080
- Gerald Gorman, M.D.Brockton, MA 023021194756403
- Henry Grazioso, M.D.Brockton, MA 023021154350825
- Laura Griffin, M.D.Brockton, MA 023021104884600
- Ioram Grinblatas, M.D.Brockton, MA 023021699705129
- Rajesh Kapur, M.D.Brockton, MA 023021538191010
- Donald Kornack, M.D.Brockton, MA 023021962427039
Common questions
What is Grant Wei, M.D.'s NPI number?
Grant Wei, M.D.'s National Provider Identifier (NPI) is 1083647457, issued on Jul 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Grant Wei, M.D. located?
The NPPES record lists a practice address at 680 Centre St, Brockton, MA, 02302. Phone: (508) 941-7400. Providers update this record themselves, so call before visiting.
How can I verify Grant Wei, M.D.'s license?
NPPES lists Massachusetts license number 224370, 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 Grant Wei, M.D. prescribe under Medicare Part D?
In 2024, Grant Wei, M.D. had 72 Medicare Part D claims for 55 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.