Quick answers
- Does Kathleen M. Morrissey accept Medicare assignment?
- Yes. Medicare's clinician data says Kathleen M. Morrissey 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 Kathleen M. Morrissey see?
- In 2024, CMS data shows 24 Original Medicare patients and 346 services for Kathleen M. Morrissey. This counts Original Medicare only and measures volume, not quality.
- What is Kathleen M. Morrissey's NPI number?
- 1164726121. 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 Kathleen M. Morrissey, 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 | 24 |
|---|---|
| Services billed to Medicare | 346 |
| Different services or procedures | 4 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Psychotherapy, 45 minutes (90834)259 services
- Psychiatric diagnostic evaluation (90791)11 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).
- Depression75%
- Anxiety63%
- High cholesterol46%
Practice locations
Addresses where Kathleen M. Morrissey is enrolled with Medicare (CMS data updated October 2, 2026).
- 1111 Elm St, Suite 17aWest Springfield, MA 01089 (413) 455‑1532
Specialties
- Clinical Social Workerprimary
Find other clinicians: Clinical Social Worker, Massachusetts →
Other clinical social workers in West Springfield
Clinicians with the same Medicare primary specialty in West Springfield, MA — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164726121 |
| 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