Quick answers
- Which hospitals does Lorreen Mattson work at?
- Medicare's official clinician data lists Lorreen Mattson at 3 hospitals: Lowell General Hospital, Mount Auburn Hospital and Tufts Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lorreen Mattson see patients?
- Medicare's clinician data lists 3 practice locations, including New Bedford, MA, Worcester, MA and Boston, MA. Call before your visit to confirm the address.
- What is Lorreen Mattson's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Lorreen Mattson accept Medicare assignment?
- Yes. Medicare's clinician data says Lorreen Mattson 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 Lorreen Mattson?
- (508) 334-1000, as listed in official Medicare / NPI Registry data.
- What is Lorreen Mattson's NPI number?
- 1588088918. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lorreen Mattson works
Medicare's Facility Affiliation Data lists Lorreen Mattson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lowell General HospitalLowell, MA · Acute Care Hospital · CCN 220063
- Mount Auburn HospitalCambridge, MA · Acute Care Hospital · CCN 220002
- Tufts Medical CenterBoston, MA · Acute Care Hospital · CCN 220116
Practice locations
Addresses where Lorreen Mattson is enrolled with Medicare (CMS data updated 2026-10-02).
- 101 Page StNew Bedford, MA 02740
- 55 Lake Ave NWorcester, MA 01655 (508) 334‑1000
- 800 Washington StBoston, MA 02111 (617) 636‑6044
Group practices
Medicare enrollment lists Lorreen Mattson as a member of these groups (CMS data updated 2026-10-02).
- UMass Memorial Medical Group Inc2,516 clinicians in the group
- Associated Physicians of Harvard Medical Faculty Physicians at Beth Is565 clinicians in the group
- Pratt Anesthesiology Associates Inc155 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Massachusetts →
Other nurse anesthetists in New Bedford
Clinicians with the same Medicare primary specialty in New Bedford, MA — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588088918 |
| 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