Quick answers
- Does Anne Vaillant accept Medicare assignment?
- Yes. Medicare's clinician data says Anne Vaillant 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 Vaillant see?
- In 2024, CMS data shows 92 Original Medicare patients and 920 services for Anne Vaillant. This counts Original Medicare only and measures volume, not quality.
- What is Anne Vaillant's NPI number?
- 1033114632. 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 Vaillant, 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 | 92 |
|---|---|
| Services billed to Medicare | 920 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 67 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)239 services
- Psychotherapy, 45 minutes (90834)238 services
- Psychotherapy with evaluation and management visit, 30 minutes (90833)226 services
- Psychotherapy, 1 hour (90837)51 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)45 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).
- Anxiety75%
- High cholesterol74%
- Depression64%
- Arthritis48%
- High blood pressure47%
- Asthma21%
Practice locations
Addresses where Anne Vaillant is enrolled with Medicare (CMS data updated October 2, 2026).
- 17 Research DrAmherst, MA 01002 (413) 549‑8400
- 6 Hatfield StNorthampton, MA 01060 (413) 549‑8400
Group practices
Medicare enrollment lists Anne Vaillant as a member of this group (CMS data updated October 2, 2026).
- Katherine J Atkinson MD PC9 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Amherst
Clinicians with the same Medicare primary specialty in Amherst, MA — not a recommendation.
Other clinicians in Katherine J Atkinson MD PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNM |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1033114632 |
| 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