Quick answers
- Does Catherine E. Diakiwsky accept Medicare assignment?
- Yes. Medicare's clinician data says Catherine E. Diakiwsky 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 Catherine E. Diakiwsky see?
- In 2024, CMS data shows 237 Original Medicare patients and 1,782 services for Catherine E. Diakiwsky. This counts Original Medicare only and measures volume, not quality.
- What is Catherine E. Diakiwsky's NPI number?
- 1467869834. 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 Catherine E. Diakiwsky, 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 | 237 |
|---|---|
| Services billed to Medicare | 1,782 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 85 |
Most frequent services
- Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)1,098 services
- Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)573 services
- Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes (99344)51 services
- Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes (99350)36 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%
- Alzheimer's disease or dementia60%
- Arthritis53%
- Depression45%
- Anxiety41%
Practice locations
Addresses where Catherine E. Diakiwsky is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 11; the Medicare profile lists all.
- 1401 Virginia AveHarrisonburg, VA 22802 (540) 564‑3550
- 1475 Virginia AveHarrisonburg, VA 22802 (540) 564‑3400
- 3709 Shannons Green WayAlexandria, VA 22309 (703) 780‑7100
- 3821 Wilson BlvdArlington, VA 22203 (571) 540‑7231
- 41816 Fenway CirAshburn, VA 20148 (347) 761‑7200
Group practices
Medicare enrollment lists Catherine E. Diakiwsky as a member of these groups (CMS data updated October 2, 2026).
- Legacy Healthcare Services Inc3,223 clinicians in the group
- Pai Participant 1 LLC191 clinicians in the group
- Virginia Internal Medicine Inc105 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Harrisonburg
Clinicians with the same Medicare primary specialty in Harrisonburg, 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 | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1467869834 |
| 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