Quick answers
- Which hospitals does Matthew Mullen work at?
- Medicare's official clinician data lists Matthew Mullen at 2 hospitals: MaineHealth Maine Medical Center and Northern Light Mercy Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew Mullen see patients?
- Medicare's clinician data lists 1 practice location in South Portland, ME. Call before your visit to confirm the address.
- What is Matthew Mullen's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Matthew Mullen accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew Mullen 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 Matthew Mullen?
- (207) 535-1880, as listed in official Medicare / NPI Registry data.
- What is Matthew Mullen's NPI number?
- 1780358929. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew Mullen works
Medicare's Facility Affiliation Data lists Matthew Mullen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MaineHealth Maine Medical CenterPortland, ME · Acute Care Hospital · CCN 200009
- Northern Light Mercy HospitalPortland, ME · Acute Care Hospital · CCN 200008
Practice locations
Addresses where Matthew Mullen is enrolled with Medicare (CMS data updated 2026-10-02).
- 225 Gorham Rd, Suite 303South Portland, ME 04106 (207) 535‑1880
Group practices
Medicare enrollment lists Matthew Mullen as a member of this group (CMS data updated 2026-10-02).
- Mercy Hospital301 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in South Portland
Clinicians with the same Medicare primary specialty in South Portland, ME — not a recommendation.
Clinician information
| Graduation year | 2021 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780358929 |
| 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