Quick answers
- Which hospitals does Dan Nir work at?
- Medicare's official clinician data lists Dan Nir at 3 hospitals: Emerson Hospital -, Lahey Hospital & Medical Center, Burlington and Lowell General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Dan Nir see patients?
- Medicare's clinician data lists 5 practice locations, including Westford, MA, Concord, MA and Southborough, MA. Call before your visit to confirm the address.
- What is Dan Nir's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Dan Nir accept Medicare assignment?
- Yes. Medicare's clinician data says Dan Nir 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 Dan Nir?
- (978) 589-6800, as listed in official Medicare / NPI Registry data.
- What is Dan Nir's NPI number?
- 1285617910. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Dan Nir works
Medicare's Facility Affiliation Data lists Dan Nir at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Emerson Hospital -W Concord, MA · Acute Care Hospital · CCN 220084
- Lahey Hospital & Medical Center, BurlingtonBurlington, MA · Acute Care Hospital · CCN 220171
- Lowell General HospitalLowell, MA · Acute Care Hospital · CCN 220063
Practice locations
Addresses where Dan Nir is enrolled with Medicare (CMS data updated 2026-10-02).
- 133 Littleton RdWestford, MA 01886 (978) 589‑6800
- 133 Old Rd To 9 Acre CorConcord, MA 01742 (978) 287‑3020
- 133 Old Rd To Nine Acre Corner, Radiology DepartmentConcord, MA 01742 (978) 287‑3794
- 24 Newton StSouthborough, MA 01772 (508) 486‑4472
- 5 Neponset StWorcesteer, MA 01606 (508) 595‑2300
Group practices
Medicare enrollment lists Dan Nir as a member of these groups (CMS data updated 2026-10-02).
- Reliant Medical Group Inc640 clinicians in the group
- Emerson Practice Associates, Inc240 clinicians in the group
- North Bridge Imaging Group, LLC16 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Hahnemann University College Of Medicine |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285617910 |
| 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