Quick answers
- Does Stephen I. Eskin accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen I. Eskin 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 Stephen I. Eskin see?
- In 2024, CMS data shows 92 Original Medicare patients and 149 services for Stephen I. Eskin. This counts Original Medicare only and measures volume, not quality.
- What is Stephen I. Eskin's NPI number?
- 1871515379. 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 Stephen I. Eskin, 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 | 92 |
|---|---|
| Services billed to Medicare | 149 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)28 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)20 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)19 services
- Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)15 services
- Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk (G0121)14 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 cholesterol67%
- High blood pressure61%
- Arthritis36%
- Ischemic heart disease29%
- Atrial fibrillation28%
- Anxiety27%
Hospitals where Stephen I. Eskin works
Medicare's Facility Affiliation Data lists Stephen I. Eskin 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.
- MaineHealth Mid Coast HospitalBrunswick, ME · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 200021
Practice locations
Addresses where Stephen I. Eskin is enrolled with Medicare (CMS data updated October 2, 2026).
- 121 Medical Ctr Dr, Suite 3400Brunswick, ME 04011 (207) 406‑7300
- 22 Bramhall StPortland, ME 04102
Group practices
Medicare enrollment lists Stephen I. Eskin as a member of this group (CMS data updated October 2, 2026).
- MaineHealth2,633 clinicians in the group
Specialties
- Internal Medicineprimary
- Gastroenterologyalso
Other internal medicine doctors in Brunswick
Clinicians with the same Medicare primary specialty in Brunswick, ME — not a recommendation.
Other clinicians in MaineHealth
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1986 (40 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871515379 |
| 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