Joseph William Kopp, M.D.
Emergency Medicine Physician · Jamaica Plain, MA
Joseph William Kopp, M.D. is an emergency medicine physician with a practice address in Jamaica Plain, Massachusetts, and NPI 1134480031, issued on Jun 6, 2012. Check the license (Massachusetts 267985, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Joseph William Kopp
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 267985 MA
A131026 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1153 Centre St, Jamaica Plain, MA 02130
- Phone
- (617) 983-7700
- Enumerated
- Jun 6, 2012
- Record last updated
- Oct 7, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20161028000683); may accept Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 1153 Centre St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joseph William Kopp in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 267985Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average emergency medicine physician in 2024
86 Medicare Part D claims for 70 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.
Bills Medicare through 2 group practices
- Brigham And Womens Physicians Organization IncJamaica Plain, MA
- Mass General Brigham Urgent Care LLCBrookline, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph William Kopp among 1,829 emergency medicine physician records in Massachusetts
Joseph William Kopp, 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 2012, is newer than 62% of them.
- NPI issued2012 · 62% of these records are older, 35% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2012 · median 2011 among the 1,200 with a school on file
- Record last updated2016 · 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).
Emergency Medicine Physician providers in Massachusetts
There are 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Jamaica Plain → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Melani Cheers, MDJamaica Plain, MA 021301114227865
- Kimberly Dittler, M.D.Boston, MA 021301033136650
- Alexander Dogon, M.D.Boston, MA 021301790718278
- Jeff Hersh, M.D.Jamaica Plain, MA 021301700992658
- Richard Larson, MDJamaica Plain, MA 021301881748564
- David Lewandowski, M.D.Jamaica Plain, MA 021301568859585
- Robert Petrella, M.D.Boston, MA 021301689619835
- Daniel Rosenberg, MDJamaica Plain, MA 021301962502542
Common questions
What is Joseph William Kopp, M.D.'s NPI number?
Joseph William Kopp, M.D.'s National Provider Identifier (NPI) is 1134480031, issued on Jun 6, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Joseph William Kopp, M.D. located?
The NPPES record lists a practice address at 1153 Centre St, Jamaica Plain, MA, 02130. Phone: (617) 983-7700. Providers update this record themselves, so call before visiting.
How can I verify Joseph William Kopp, M.D.'s license?
NPPES lists Massachusetts license number 267985, 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 Joseph William Kopp, M.D. prescribe under Medicare Part D?
In 2024, Joseph William Kopp, M.D. had 86 Medicare Part D claims for 70 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.