Quick answers
- Does Kathleen A. Llewellyn accept Medicare assignment?
- Yes. Medicare's clinician data says Kathleen A. Llewellyn 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 A. Llewellyn see?
- In 2024, CMS data shows 1,883 Original Medicare patients and 3,915 services for Kathleen A. Llewellyn. This counts Original Medicare only and measures volume, not quality.
- What is Kathleen A. Llewellyn's NPI number?
- 1588839070. 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 A. Llewellyn, 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 | 1,883 |
|---|---|
| Services billed to Medicare | 3,915 |
| Different services or procedures | 94 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Screening mammography (77067)1,214 services
- Screening 3d breast mammography (77063)1,210 services
- Complete ultrasound scan of 1 breast (76641)445 services
- Limited ultrasound scan of 1 breast (76642)138 services
- X-ray of chest, 1 view (71045)118 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 cholesterol75%
- High blood pressure67%
- Arthritis43%
- Ischemic heart disease28%
- Diabetes26%
- Anxiety26%
Hospitals where Kathleen A. Llewellyn works
Medicare's Facility Affiliation Data lists Kathleen A. Llewellyn 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.
- Northern Dutchess HospitalRhinebeck, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330049
- Putnam Hospital CenterCarmel, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330273
- Sharon HospitalSharon, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070004
- Vassar Brothers Medical CenterPoughkeepsie, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330023
Practice locations
Addresses where Kathleen A. Llewellyn is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.
- 10 Healthy WayEllenville, NY 12428 (845) 790‑5700
- 2678 S Rd, Suite 202Poughkeepsie, NY 12601 (845) 790‑5700
- 334 Plaza RdKingston, NY 12401
- 45 Reade PlPoughkeepsie, NY 12601
- 50 Hospital Hill RdSharon, CT 06069 (860) 364‑4225
Group practices
Medicare enrollment lists Kathleen A. Llewellyn as a member of these groups (CMS data updated October 2, 2026).
- Nuvance Health Medical Practice PC595 clinicians in the group
- Hudson Valley Radiologists PC24 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Ellenville
Clinicians with the same Medicare primary specialty in Ellenville, NY — not a recommendation.
Other clinicians in Nuvance Health Medical Practice PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 2006 (20 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588839070 |
| 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