Quick answers
- Does Roseanne M. Dennan accept Medicare assignment?
- Medicare's clinician data says Roseanne M. Dennan may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Roseanne M. Dennan see?
- In 2024, CMS data shows 54 Original Medicare patients and 208 services for Roseanne M. Dennan. This counts Original Medicare only and measures volume, not quality.
- What is Roseanne M. Dennan's NPI number?
- 1255404109. 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 Roseanne M. Dennan, 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 | 54 |
|---|---|
| Services billed to Medicare | 208 |
| Different services or procedures | 2 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Chiropractic manipulative treatment, 1-2 spinal regions (98940)199 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 cholesterol57%
- Arthritis39%
- High blood pressure31%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)20%
Practice locations
Addresses where Roseanne M. Dennan is enrolled with Medicare (CMS data updated October 2, 2026).
- 19 Green Mountain RdManchester Center, VT 05255 (802) 362‑3040
Specialties
- Chiropracticprimary
Other chiropractors in Vermont
Clinicians with the same Medicare primary specialty in Vermont — not a recommendation.
Clinician information
| Credential | DC |
|---|---|
| Chiropractic college | New York Chiropractic College |
| Graduation year | 1993 (33 years since chiropractic college) |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1255404109 |
| 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
- 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