Quick answers
- Does Anne V. Nienstedt accept Medicare assignment?
- Yes. Medicare's clinician data says Anne V. Nienstedt 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 Anne V. Nienstedt see?
- In 2024, CMS data shows 128 Original Medicare patients and 3,123 services for Anne V. Nienstedt. This counts Original Medicare only and measures volume, not quality.
- What is Anne V. Nienstedt's NPI number?
- 1225365950. 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 Anne V. Nienstedt, 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 | 128 |
|---|---|
| Services billed to Medicare | 3,123 |
| Different services or procedures | 17 |
| 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)1,954 services
- Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)594 services
- Advance care planning, first 30 minutes (99497)229 services
- Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes (99347)218 services
- Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes (99344)62 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%
- Arthritis75%
- Alzheimer's disease or dementia73%
- Depression70%
- Ischemic heart disease59%
Practice locations
Addresses where Anne V. Nienstedt is enrolled with Medicare (CMS data updated October 2, 2026).
- 67 Karen CtWading River, NY 11792 (631) 953‑7719
Specialties
- Family Practiceprimary
Other family doctors in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2006 (20 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) | 1225365950 |
| 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