Quick answers
- Does Elizabeth Dennis accept Medicare assignment?
- Yes. Medicare's clinician data says Elizabeth Dennis 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 Elizabeth Dennis see?
- In 2024, CMS data shows 342 Original Medicare patients and 18,317 services for Elizabeth Dennis. This counts Original Medicare only and measures volume, not quality.
- What is Elizabeth Dennis's NPI number?
- 1073714721. 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 Elizabeth Dennis, 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 | 342 |
|---|---|
| Services billed to Medicare | 18,317 |
| Different services or procedures | 89 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)11,750 services
- Ct scan of chest with contrast (71260)111 services
- Ct scan of abdomen and pelvis with contrast (74177)88 services
- Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (99211)56 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)49 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).
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)74%
- High cholesterol70%
- High blood pressure64%
- Arthritis41%
- Anxiety35%
- Depression27%
Hospitals where Elizabeth Dennis works
Medicare's Facility Affiliation Data lists Elizabeth Dennis 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.
- LincolnhealthDamariscotta, ME · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 201302
- MaineHealth Maine Medical CenterPortland, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200009
- MaineHealth Mid Coast HospitalBrunswick, ME · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 200021
- MaineHealth Pen Bay HospitalRockport, ME · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 200063
- Portsmouth Regional HospitalPortsmouth, NH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 300029
Practice locations
Addresses where Elizabeth Dennis is enrolled with Medicare (CMS data updated October 2, 2026).
- 105 Topsham Fair Mall Rd, Unit 1Topsham, ME 04086 (207) 303‑3300
- 11 Rock Row, Suite 320Westbrook, ME 04092 (207) 303‑3300
- 155 Borthwick Ave, Suite CPortsmouth, NH 03801 (603) 828‑0100
Group practices
Medicare enrollment lists Elizabeth Dennis as a member of this group (CMS data updated October 2, 2026).
- Maine Center for Cancer Medicine and Blood Disorders PA70 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Topsham
Clinicians with the same Medicare primary specialty in Topsham, ME — not a recommendation.
Other clinicians in Maine Center for Cancer Medicine and Blood Disorders PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Midwestern University, Chicago College Of Osteopathic Med |
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1073714721 |
| 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