Quick answers
- Does Marina M. Alfisher accept Medicare assignment?
- Yes. Medicare's clinician data says Marina M. Alfisher 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.
- How many Medicare patients does Marina M. Alfisher see?
- In 2024, CMS data shows 3,798 Original Medicare patients and 58,944 services for Marina M. Alfisher. This counts Original Medicare only and measures volume, not quality.
- What is Marina M. Alfisher's NPI number?
- 1417925207. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Marina M. Alfisher, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 3,798 |
|---|---|
| Services billed to Medicare | 58,944 |
| Different services or procedures | 135 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, gadoterate meglumine, 0.1 ml (A9575)30,701 services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)23,506 services
- X-ray of chest, 2 views (71046)720 services
- X-ray of knee, 3 views (73562)358 services
- X-ray of foot, minimum of 3 views (73630)243 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol73%
- High blood pressure66%
- Arthritis48%
- Anxiety28%
- Depression25%
- Diabetes24%
Practice locations
Addresses where Marina M. Alfisher is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 11; the Medicare profile lists all.
- 1 Lyons StDedham, MA 02026 (781) 329‑1400
- 1250 Hancock StQuincy, MA 02169 (617) 740‑0600
- 133 Brookline AveBoston, MA 02215 (617) 421‑1000
- 142 Berkeley StBoston, MA 02116 (617) 859‑5000
- 20 Wall StBurlington, MA 01803 (781) 221‑2500
Group practices
Medicare enrollment lists Marina M. Alfisher as a member of this group (CMS data updated October 2, 2026).
- Atrius Health Inc1,222 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Dedham
Clinicians with the same Medicare primary specialty in Dedham, MA — not a recommendation.
Other clinicians in Atrius Health Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Boston University School Of Medicine |
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1417925207 |
| 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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