Quick answers
- Does Eleanor R. Holdnack accept Medicare assignment?
- Medicare's clinician data says Eleanor R. Holdnack may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- What is Eleanor R. Holdnack's NPI number?
- 1609207109. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Eleanor R. Holdnack is enrolled with Medicare (CMS data updated October 2, 2026).
- 15001 Shady Grove Rd, Suite 140Rockville, MD 20850 (703) 904‑9666
Group practices
Medicare enrollment lists Eleanor R. Holdnack as a member of this group (CMS data updated October 2, 2026).
- Rxwellness Spine and Health - Rockville LLC5 clinicians in the group
Specialties
- Chiropracticprimary
Other chiropractors in Rockville
Clinicians with the same Medicare primary specialty in Rockville, MD — not a recommendation.
Other clinicians in Rxwellness Spine and Health - Rockville LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Chiropractic College |
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1609207109 |
| 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
- 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