Quick answers
- Does Karen A. Nichols accept Medicare assignment?
- Yes. Medicare's clinician data says Karen A. Nichols 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 Karen A. Nichols see?
- In 2024, CMS data shows 110 Original Medicare patients and 114 services for Karen A. Nichols. This counts Original Medicare only and measures volume, not quality.
- What is Karen A. Nichols's NPI number?
- 1669413431. 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 Karen A. Nichols, 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 | 110 |
|---|---|
| Services billed to Medicare | 114 |
| Different services or procedures | 36 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Anesthesia for lens surgery (00142)16 services
- Anesthesia for other procedure on lower leg, ankle, and foot bones (01480)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 pressure66%
- High cholesterol63%
- Arthritis39%
- Anxiety34%
- Depression29%
- Diabetes27%
Hospitals where Karen A. Nichols works
Medicare's Facility Affiliation Data lists Karen A. Nichols 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.
- University of Vermont - Fletcher Allen Health CareBurlington, VT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 470003
Practice locations
Addresses where Karen A. Nichols is enrolled with Medicare (CMS data updated October 2, 2026).
- 111 Colchester AveBurlington, VT 05401 (802) 847‑0000
Group practices
Medicare enrollment lists Karen A. Nichols as a member of this group (CMS data updated October 2, 2026).
- University of Vermont Medical Center Inc1,208 clinicians in the group
Specialties
- Anesthesiology Assistantprimary
Other anesthesiologist assistants in Burlington
Clinicians with the same Medicare primary specialty in Burlington, VT — not a recommendation.
Other clinicians in University of Vermont Medical Center Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | AA |
|---|---|
| Graduation year | 1994 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669413431 |
| 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