Quick answers
- Does Jeremy Castro accept Medicare assignment?
- Yes. Medicare's clinician data says Jeremy Castro accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Jeremy Castro's NPI number?
- 1285383646. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jeremy Castro works
Medicare's Facility Affiliation Data lists Jeremy Castro at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- North Shore Medical Center -Salem, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220035
Practice locations
Addresses where Jeremy Castro is enrolled with Medicare (CMS data updated October 2, 2026).
- 2014 Washington StNewton, MA 02462 (617) 243‑6000
- 680 Centre StBrockton, MA 02302 (508) 941‑7000
- 81 Highland AveSalem, MA 01970 (978) 354‑2551
Group practices
Medicare enrollment lists Jeremy Castro as a member of these groups (CMS data updated October 2, 2026).
- Mass General Brigham Medical Group Northern Massachusetts Inc827 clinicians in the group
- Mass General Brigham Medical Group Suburban Massachusetts Inc602 clinicians in the group
- Signature Healthcare Medical Group Inc247 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Newton
Clinicians with the same Medicare primary specialty in Newton, MA — not a recommendation.
Other clinicians in Mass General Brigham Medical Group Northern Massachusetts Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Philadelphia College Of Osteopathic Medicine |
| Graduation year | 2022 (4 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285383646 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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