Quick answers
- Does Alexandra M. Idenburg accept Medicare assignment?
- Yes. Medicare's clinician data says Alexandra M. Idenburg 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 Alexandra M. Idenburg see?
- In 2024, CMS data shows 205 Original Medicare patients and 798 services for Alexandra M. Idenburg. This counts Original Medicare only and measures volume, not quality.
- What is Alexandra M. Idenburg's NPI number?
- 1992133102. 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 Alexandra M. Idenburg, 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 | 205 |
|---|---|
| Services billed to Medicare | 798 |
| Different services or procedures | 4 |
| Participating Medicare provider | Yes |
| Average age of these patients | 80 |
Most frequent services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)334 services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)248 services
- Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)108 services
- Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)108 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 cholesterol74%
- Alzheimer's disease or dementia60%
- Arthritis53%
- Depression51%
- Anxiety49%
Hospitals where Alexandra M. Idenburg works
Medicare's Facility Affiliation Data lists Alexandra M. Idenburg 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.
- Millinocket Regional HospitalMillinocket, ME · Critical Access Hospital · Emergency services: listed by Medicare · CCN 201307
- Northern Light Eastern Maine Medical CenterBangor, ME · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 200033
- St Joseph HospitalBangor, ME · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 200001
Practice locations
Addresses where Alexandra M. Idenburg is enrolled with Medicare (CMS data updated October 2, 2026).
- 1012 Union StBangor, ME 04401
- 242 Brunswick StOld Town, ME 04468 (207) 827‑6128
- 992 Union StBangor, ME 04401
Group practices
Medicare enrollment lists Alexandra M. Idenburg as a member of this group (CMS data updated October 2, 2026).
- Penobscot Community Health Center135 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Bangor
Clinicians with the same Medicare primary specialty in Bangor, ME — not a recommendation.
Other clinicians in Penobscot Community Health Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| 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) | 1992133102 |
| 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