Quick answers
- Does Kimberly A. Kosiavelon accept Medicare assignment?
- Yes. Medicare's clinician data says Kimberly A. Kosiavelon 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 Kimberly A. Kosiavelon see?
- In 2024, CMS data shows 180 Original Medicare patients and 303 services for Kimberly A. Kosiavelon. This counts Original Medicare only and measures volume, not quality.
- What is Kimberly A. Kosiavelon's NPI number?
- 1851926919. 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 Kimberly A. Kosiavelon, 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 | 180 |
|---|---|
| Services billed to Medicare | 303 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)214 services
- Dialysis services, 2-3 physician visits per month (20 years or older) (90961)26 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)22 services
- Dialysis services, 1 physician visit per month (20 years or older) (90962)15 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)12 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%
- Chronic kidney disease75%
- Diabetes57%
- Arthritis40%
- Ischemic heart disease40%
Hospitals where Kimberly A. Kosiavelon works
Medicare's Facility Affiliation Data lists Kimberly A. Kosiavelon 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.
- Central Maine Medical CenterLewiston, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200024
- MaineHealth Franklin HospitalFarmington, ME · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 201316
- MaineHealth Stephens HospitalNorway, ME · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 201315
- Rumford HospitalRumford, ME · Critical Access Hospital · Emergency services: listed by Medicare · CCN 201306
- St Mary's Regional Medical CenterLewiston, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200034
Practice locations
Addresses where Kimberly A. Kosiavelon is enrolled with Medicare (CMS data updated October 2, 2026).
- 710 Main StLewiston, ME 04240 (207) 783‑1449
Group practices
Medicare enrollment lists Kimberly A. Kosiavelon as a member of this group (CMS data updated October 2, 2026).
- Nephrology Associates of Central Maine6 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Maine
Clinicians with the same Medicare primary specialty in Maine — not a recommendation.
Other clinicians in Nephrology Associates of Central Maine
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851926919 |
| 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