Quick answers
- Which hospitals does Jeffrey A. Held work at?
- Medicare's official clinician data lists Jeffrey A. Held at 1 hospital: Mount Auburn Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jeffrey A. Held see patients?
- Medicare's clinician data lists 1 practice location in Cambridge, MA. Call before your visit to confirm the address.
- What is Jeffrey A. Held's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Jeffrey A. Held accept Medicare assignment?
- Yes. Medicare's clinician data says Jeffrey A. Held accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Jeffrey A. Held?
- (617) 258-6896, as listed in official Medicare / NPI Registry data.
- What is Jeffrey A. Held's NPI number?
- 1841243557. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jeffrey A. Held works
Medicare's Facility Affiliation Data lists Jeffrey A. Held at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mount Auburn HospitalCambridge, MA · Acute Care Hospital · CCN 220002
Practice locations
Addresses where Jeffrey A. Held is enrolled with Medicare (CMS data updated 2026-10-02).
- 25 Carleton StCambridge, MA 02142 (617) 258‑6896
Group practices
Medicare enrollment lists Jeffrey A. Held as a member of this group (CMS data updated 2026-10-02).
- Massachusetts Institute of Technology54 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Cambridge
Clinicians with the same Medicare primary specialty in Cambridge, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Florida College Of Medicine |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841243557 |
| 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