Quick answers
- Does Charlotte Hartwell accept Medicare assignment?
- Yes. Medicare's clinician data says Charlotte Hartwell 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 Charlotte Hartwell's NPI number?
- 1255995981. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Charlotte Hartwell works
Medicare's Facility Affiliation Data lists Charlotte Hartwell 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.
- Newton-Wellesley HospitalNewton, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220101
- North Shore Medical Center -Salem, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220035
- The Cooley Dickinson Hospital IncNorthampton, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220015
- Wentworth-Douglass HospitalDover, NH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 300018
Practice locations
Addresses where Charlotte Hartwell is enrolled with Medicare (CMS data updated October 2, 2026).
- 170 Governors AveMedford, MA 02155 (781) 395‑4909
- 200 Route 108Somersworth, NH 03878 (603) 740‑2250
- 30 Tuscan BlvdSalem, NH 03079 (857) 282‑8100
- 67 Corporate DrPortsmouth, NH 03801 (603) 740‑2250
- 789 Central AveDover, NH 03820 (603) 740‑2250
Group practices
Medicare enrollment lists Charlotte Hartwell as a member of this group (CMS data updated October 2, 2026).
- Mass General Brigham Community Physicians Inc428 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Medford
Clinicians with the same Medicare primary specialty in Medford, MA — not a recommendation.
Other clinicians in Mass General Brigham Community Physicians Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 2019 (7 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255995981 |
| 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