Quick answers
- Which hospitals does Steven A. Greenberg work at?
- Medicare's official clinician data lists Steven A. Greenberg at 1 hospital: MaineHealth Stephens Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Steven A. Greenberg see patients?
- Medicare's clinician data lists 2 practice locations, including Norway, ME and Portland, ME. Call before your visit to confirm the address.
- What is Steven A. Greenberg's specialty?
- Medicare lists Sports Medicine as the primary specialty.
- Does Steven A. Greenberg accept Medicare assignment?
- Yes. Medicare's clinician data says Steven A. Greenberg 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 Steven A. Greenberg's NPI number?
- 1306307285. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Steven A. Greenberg works
Medicare's Facility Affiliation Data lists Steven A. Greenberg at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MaineHealth Stephens HospitalNorway, ME · Critical Access Hospital · CCN 201315
Practice locations
Addresses where Steven A. Greenberg is enrolled with Medicare (CMS data updated 2026-10-02).
- 193 Main StNorway, ME 04268
- 22 Bramhall StPortland, ME 04102
Group practices
Medicare enrollment lists Steven A. Greenberg as a member of this group (CMS data updated 2026-10-02).
- MaineHealth2,633 clinicians in the group
Specialties
- Sports Medicineprimary
Other sports medicine doctors in Maine
Clinicians with the same Medicare primary specialty in Maine — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wake Forest University School Of Medicine |
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306307285 |
| 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