Quick answers
- Which hospitals does Adam A. Alter work at?
- Medicare's official clinician data lists Adam A. Alter at 3 hospitals: Central Maine Medical Center, MaineHealth Maine Medical Center and St Mary's Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Adam A. Alter see patients?
- Medicare's clinician data lists 4 practice locations, including Auburn, ME and Lewiston, ME. Call before your visit to confirm the address.
- What is Adam A. Alter's specialty?
- Medicare lists Pulmonary Disease as the primary specialty.
- Does Adam A. Alter accept Medicare assignment?
- Yes. Medicare's clinician data says Adam A. Alter 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 Adam A. Alter?
- (207) 330-3950, as listed in official Medicare / NPI Registry data.
- What is Adam A. Alter's NPI number?
- 1437478138. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Adam A. Alter works
Medicare's Facility Affiliation Data lists Adam A. Alter at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Central Maine Medical CenterLewiston, ME · Acute Care Hospital · CCN 200024
- MaineHealth Maine Medical CenterPortland, ME · Acute Care Hospital · CCN 200009
- St Mary's Regional Medical CenterLewiston, ME · Acute Care Hospital · CCN 200034
Practice locations
Addresses where Adam A. Alter is enrolled with Medicare (CMS data updated 2026-10-02).
- 2 Great Falls Plz, Suite 21Auburn, ME 04210 (207) 330‑3950
- 330 Sabattus StLewiston, ME 04240 (207) 777‑4300
- 730 Ctr StAuburn, ME 04210 (207) 783‑3450
- 730 Ctr St, Suite 9Auburn, ME 04210 (207) 783‑3450
Group practices
Medicare enrollment lists Adam A. Alter as a member of these groups (CMS data updated 2026-10-02).
- Select Physical Therapy Holdings Inc2,024 clinicians in the group
- St Marys Regional Medical Center198 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
Other pulmonologists in Maine
Clinicians with the same Medicare primary specialty in Maine — not a recommendation.
Clinician information
| Medical school | University Of Missouri, Columbia School Of Medicine |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437478138 |
| 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