Quick answers
- Does Maria Fe I. Hauptmann accept Medicare assignment?
- Yes. Medicare's clinician data says Maria Fe I. Hauptmann 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 Maria Fe I. Hauptmann see?
- In 2024, CMS data shows 140 Original Medicare patients and 759 services for Maria Fe I. Hauptmann. This counts Original Medicare only and measures volume, not quality.
- What is Maria Fe I. Hauptmann's NPI number?
- 1205014479. 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 Maria Fe I. Hauptmann, 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 | 140 |
|---|---|
| Services billed to Medicare | 759 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 85 |
Most frequent services
- Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)553 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)36 services
- Administration of influenza virus vaccine (G0008)30 services
- Influenza vaccine split virus, preservative free (90662)29 services
- Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)29 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 cholesterol72%
- Arthritis55%
- Alzheimer's disease or dementia54%
- Depression43%
- Anxiety39%
Practice locations
Addresses where Maria Fe I. Hauptmann is enrolled with Medicare (CMS data updated October 2, 2026).
- 2700 Prosperity Ave, Suite 270Fairfax, VA 22031 (703) 698‑2431
- 3300 Gallows RdFalls Church, VA 22042
- 9642 Burke Lake RdBurke, VA 22015 (703) 543‑7920
Group practices
Medicare enrollment lists Maria Fe I. Hauptmann as a member of these groups (CMS data updated October 2, 2026).
- Legacy Healthcare Services Inc3,223 clinicians in the group
- Inova Health Care Services1,817 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Fairfax
Clinicians with the same Medicare primary specialty in Fairfax, VA — not a recommendation.
Other clinicians in Legacy Healthcare Services Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2006 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1205014479 |
| 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