Quick answers
- Does Margaret L. Mbinyi accept Medicare assignment?
- Medicare's clinician data says Margaret L. Mbinyi may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Margaret L. Mbinyi see?
- In 2024, CMS data shows 82 Original Medicare patients and 1,636 services for Margaret L. Mbinyi. This counts Original Medicare only and measures volume, not quality.
- What is Margaret L. Mbinyi's NPI number?
- 1104380716. 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 Margaret L. Mbinyi, 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 | 82 |
|---|---|
| Services billed to Medicare | 1,636 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)991 services
- Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)541 services
- Prolonged nursing facility evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualifi (G0317)99 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%
- Heart failure57%
- Diabetes55%
- Atrial fibrillation51%
- COPD50%
Practice locations
Addresses where Margaret L. Mbinyi is enrolled with Medicare (CMS data updated October 2, 2026).
- 3445 Gallows RdFalls Church, VA 22042 (571) 685‑2015
Group practices
Medicare enrollment lists Margaret L. Mbinyi as a member of this group (CMS data updated October 2, 2026).
- Harmony Medical Transitions LLC12 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Falls Church
Clinicians with the same Medicare primary specialty in Falls Church, VA — not a recommendation.
Other clinicians in Harmony Medical Transitions LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2004 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1104380716 |
| 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