Quick answers
- Which hospitals does Joseph W. Kopp work at?
- Medicare's official clinician data lists Joseph W. Kopp at 3 hospitals: Brigham and Women Faulkner Hospital, Brigham and Women's Hospital and Sage Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Joseph W. Kopp see patients?
- Medicare's clinician data lists 5 practice locations, including Northampton, MA, Jamaica Plain, MA and Brookline, MA. Call before your visit to confirm the address.
- What is Joseph W. Kopp's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Joseph W. Kopp accept Medicare assignment?
- Medicare's clinician data says Joseph W. Kopp may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Joseph W. Kopp?
- (413) 586-9866, as listed in official Medicare / NPI Registry data.
- What is Joseph W. Kopp's NPI number?
- 1134480031. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Joseph W. Kopp works
Medicare's Facility Affiliation Data lists Joseph W. Kopp at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Brigham and Women Faulkner HospitalJamaica Plain, MA · Acute Care Hospital · CCN 220119
- Brigham and Women's HospitalBoston, MA · Acute Care Hospital · CCN 220110
- Sage Memorial HospitalGanado, AZ · Critical Access Hospital · CCN 031309
Practice locations
Addresses where Joseph W. Kopp is enrolled with Medicare (CMS data updated 2026-10-02).
- 10 Denniston Pl, Womens HealthNorthampton, MA 01060 (413) 586‑9866
- 1153 Centre StJamaica Plain, MA 02130 (617) 983‑7000
- 1285 Beacon StBrookline, MA 02446 (888) 980‑0505
- 137 Stuart St, Suite A 7Boston, MA 02116 (888) 980‑0505
- 30 Locust StNorthampton, MA 01060
Group practices
Medicare enrollment lists Joseph W. Kopp as a member of these groups (CMS data updated 2026-10-02).
- Brigham and Womens Physicians Organization Inc2,994 clinicians in the group
- Mass General Brigham Medical Group Western Massachusetts Inc291 clinicians in the group
- Mass General Brigham Urgent Care LLC102 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Northampton
Clinicians with the same Medicare primary specialty in Northampton, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1134480031 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians