Quick answers
- Does David B. Pianalto accept Medicare assignment?
- Yes. Medicare's clinician data says David B. Pianalto 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 David B. Pianalto see?
- In 2024, CMS data shows 287 Original Medicare patients and 373 services for David B. Pianalto. This counts Original Medicare only and measures volume, not quality.
- What is David B. Pianalto's NPI number?
- 1881784387. 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 David B. Pianalto, 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 | 287 |
|---|---|
| Services billed to Medicare | 373 |
| Different services or procedures | 21 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)220 services
- Critical care, first 30-74 minutes (99291)56 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)49 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 cholesterol75%
- Arthritis59%
- Ischemic heart disease44%
- Chronic kidney disease44%
- Diabetes43%
Hospitals where David B. Pianalto works
Medicare's Facility Affiliation Data lists David B. Pianalto 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.
- Winchester Medical CenterWinchester, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490005
Practice locations
Addresses where David B. Pianalto is enrolled with Medicare (CMS data updated October 2, 2026).
- 1840 Amherst StWinchester, VA 22601 (540) 536‑8700
- 1880 Amherst StWinchester, VA 22601 (540) 536‑6721
Group practices
Medicare enrollment lists David B. Pianalto as a member of this group (CMS data updated October 2, 2026).
- Winchester Medical Center317 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Winchester
Clinicians with the same Medicare primary specialty in Winchester, VA — not a recommendation.
Other clinicians in Winchester Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881784387 |
| 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