Quick answers
- Does Erik H. Christensen accept Medicare assignment?
- Yes. Medicare's clinician data says Erik H. Christensen 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 Erik H. Christensen see?
- In 2024, CMS data shows 385 Original Medicare patients and 596 services for Erik H. Christensen. This counts Original Medicare only and measures volume, not quality.
- What is Erik H. Christensen's NPI number?
- 1558851873. 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 Erik H. Christensen, 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 | 385 |
|---|---|
| Services billed to Medicare | 596 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)203 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)130 services
- Emergency department visit with moderate level of medical decision making (99284)116 services
- Critical care, first 30-74 minutes (99291)67 services
- Emergency department visit with low level of medical decision making (99283)16 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 cholesterol71%
- Arthritis51%
- Anxiety41%
- Depression40%
- Ischemic heart disease39%
Hospitals where Erik H. Christensen works
Medicare's Facility Affiliation Data lists Erik H. Christensen 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.
- Boston Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220031
- 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 Erik H. Christensen is enrolled with Medicare (CMS data updated October 2, 2026).
- 10 Gove StEast Boston, MA 02128 (617) 569‑5800
- 123 Medical Ctr DrBrunswick, ME 04011 (207) 373‑6000
- 15 Hospital DrYork, ME 03909 (207) 373‑6000
Group practices
Medicare enrollment lists Erik H. Christensen as a member of these groups (CMS data updated October 2, 2026).
- Internal Medical Associates-Ebnhc240 clinicians in the group
- Bluewater Emergency Partners of Brunswick, LLC154 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in East Boston
Clinicians with the same Medicare primary specialty in East Boston, MA — not a recommendation.
Other clinicians in Internal Medical Associates-Ebnhc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558851873 |
| 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