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Nurse Practitioner

Courtney Donarum

Sees patients in Avon, CT · Wethersfield, CT · Connecticut

Summary

Courtney Donarum is a nurse practitioner at 100 Simsbury Rd, Avon, CT 06001. Phone: (860) 258-3480. Accepts Medicare assignment. In 2024, Courtney Donarum had 124 Original Medicare patients and 878 services. NPI 1780045575. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse practitioner
  • Address: 100 Simsbury Rd, Avon, CT 06001 · Directions (1 more location)
  • Phone: (860) 258‑3480
  • Medicare: Accepts Medicare assignment
  • Group practice: Starling Physicians, PLLC
  • School: graduated 2015
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Courtney Donarum, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Courtney Donarum accept Medicare assignment?
Yes. Medicare's clinician data says Courtney Donarum 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 Courtney Donarum see?
In 2024, CMS data shows 124 Original Medicare patients and 878 services for Courtney Donarum. This counts Original Medicare only and measures volume, not quality.
What is Courtney Donarum's NPI number?
1780045575. 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 Courtney Donarum, 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 patients124
Services billed to Medicare878
Different services or procedures23
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Destruction of precancer skin growth, 2-14 growths (17003)285 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)151 services
  3. Destruction of precancer skin growth, 1 growth (17000)80 services
  4. Biopsy of related skin growth, first growth (11102)54 services
  5. Destruction of skin growth, 1-14 growths (17110)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).

  • High cholesterol64%
  • High blood pressure61%
  • Arthritis45%
  • Anxiety23%
  • Diabetes22%
  • Atrial fibrillation22%

Practice locations

Addresses where Courtney Donarum is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Courtney Donarum as a member of this group (CMS data updated October 2, 2026).

  • Starling Physicians, PLLC283 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Connecticut →

Other nurse practitioners in Avon

Clinicians with the same Medicare primary specialty in Avon, CT — not a recommendation.

All nurse practitioners in Avon →

Other clinicians in Starling Physicians, PLLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Graduation year2015
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1780045575
CorrectionsReport 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

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians