Quick answers
- Does James Demetroulakos accept Medicare assignment?
- Yes. Medicare's clinician data says James Demetroulakos 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 James Demetroulakos see?
- In 2024, CMS data shows 758 Original Medicare patients and 1,247 services for James Demetroulakos. This counts Original Medicare only and measures volume, not quality.
- What is James Demetroulakos's NPI number?
- 1326011180. 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 James Demetroulakos, 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 | 758 |
|---|---|
| Services billed to Medicare | 1,247 |
| Different services or procedures | 49 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)197 services
- Removal of impacted ear wax (69210)175 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)175 services
- Diagnostic exam of voice box using a flexible endoscope (31575)174 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)158 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 pressure67%
- Arthritis52%
- Anxiety32%
- Ischemic heart disease25%
- Chronic kidney disease23%
Hospitals where James Demetroulakos works
Medicare's Facility Affiliation Data lists James Demetroulakos 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.
- 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
- Northeast Hospital CorporationBeverly, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220033
Practice locations
Addresses where James Demetroulakos is enrolled with Medicare (CMS data updated October 2, 2026).
- 104 Endicott St, Suite 100Danvers, MA 01923 (978) 745‑6601
- 133 Brookline AveBoston, MA 02215 (617) 421‑1000
- 77 Herrick St, Suite 101Beverly, MA 01915 (978) 927‑4110
Group practices
Medicare enrollment lists James Demetroulakos as a member of these groups (CMS data updated October 2, 2026).
- Atrius Health Inc1,222 clinicians in the group
- North Shore Ear, Nose and Throat Associates, PC18 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Danvers
Clinicians with the same Medicare primary specialty in Danvers, 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 | Warren Alpert Medical School Of Brown University |
| Graduation year | 1985 (41 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326011180 |
| 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