Quick answers
- Does Astrid R. Von Walter accept Medicare assignment?
- Yes. Medicare's clinician data says Astrid R. Von Walter 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 Astrid R. Von Walter see?
- In 2024, CMS data shows 62 Original Medicare patients and 138 services for Astrid R. Von Walter. This counts Original Medicare only and measures volume, not quality.
- What is Astrid R. Von Walter's NPI number?
- 1194977470. 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 Astrid R. Von Walter, 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 | 62 |
|---|---|
| Services billed to Medicare | 138 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)49 services
- Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)33 services
- Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)21 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 cholesterol63%
- Arthritis50%
- High blood pressure48%
- Osteoporosis24%
- Anxiety19%
- Ischemic heart disease18%
Hospitals where Astrid R. Von Walter works
Medicare's Facility Affiliation Data lists Astrid R. Von Walter 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.
- Reston Hospital CenterReston, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490107
Practice locations
Addresses where Astrid R. Von Walter is enrolled with Medicare (CMS data updated October 2, 2026).
- 1800 Town Ctr Dr, Suite 220Reston, VA 20190 (703) 435‑2555
- 9711 Medical Ctr Dr, Suite 109Rockville, MD 20850 (301) 762‑5501
Group practices
Medicare enrollment lists Astrid R. Von Walter as a member of these groups (CMS data updated October 2, 2026).
- Capital Womens Care LLC281 clinicians in the group
- Loudoun Medical Group, PC271 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Reston
Clinicians with the same Medicare primary specialty in Reston, VA — not a recommendation.
Other clinicians in Capital Womens Care LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loma Linda University School Of Medicine |
| Graduation year | 2008 (18 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) | 1194977470 |
| 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