Quick answers
- Does Marvin G. Somi accept Medicare assignment?
- Yes. Medicare's clinician data says Marvin G. Somi 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 Marvin G. Somi see?
- In 2024, CMS data shows 265 Original Medicare patients and 2,131 services for Marvin G. Somi. This counts Original Medicare only and measures volume, not quality.
- What is Marvin G. Somi's NPI number?
- 1356304646. 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 Marvin G. Somi, 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 | 265 |
|---|---|
| Services billed to Medicare | 2,131 |
| Different services or procedures | 49 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)414 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)263 services
- Insertion of needle into vein for collection of blood sample (36415)223 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)174 services
- Annual depression screening, 5 to 15 minutes (G0444)172 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 blood pressure75%
- High cholesterol72%
- Arthritis42%
- Diabetes35%
- Ischemic heart disease24%
- Chronic kidney disease23%
Hospitals where Marvin G. Somi works
Medicare's Facility Affiliation Data lists Marvin G. Somi at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Lahey Hospital & Medical Center, BurlingtonBurlington, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220171
- Massachusetts General HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220071
- North Shore Medical Center -Salem, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220035
Practice locations
Addresses where Marvin G. Somi is enrolled with Medicare (CMS data updated October 2, 2026).
- 85 Constitution Ln, Suite 1gDanvers, MA 01923 (978) 777‑9090
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Danvers
Clinicians with the same Medicare primary specialty in Danvers, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1992 (34 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1356304646 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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