Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Cayla B. O'Sullivan, NP

Sees patients in Rochester, NY · New York

Summary

Cayla B. O'Sullivan, NP (Nurse Practitioner) is enrolled with Medicare at 1 practice location in Rochester, NY. NPI 1609597137. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Cayla B. O'Sullivan, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
5Years since medical school (graduated 2021)
FemaleGender (as listed)
County of MonroeGroup practice

Quick answers

Where does Cayla B. O'Sullivan see patients?
Medicare's clinician data lists 1 practice location in Rochester, NY. Call before your visit to confirm the address.
What is Cayla B. O'Sullivan's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Cayla B. O'Sullivan accept Medicare assignment?
Yes. Medicare's clinician data says Cayla B. O'Sullivan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Cayla B. O'Sullivan?
(585) 760-6616, as listed in official Medicare / NPI Registry data.
What is Cayla B. O'Sullivan's NPI number?
1609597137. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Cayla B. O'Sullivan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Cayla B. O'Sullivan as a member of this group (CMS data updated 2026-10-02).

  • County of Monroe21 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, New York →

Other nurse practitioners in Rochester

Clinicians with the same Medicare primary specialty in Rochester, NY — not a recommendation.

All nurse practitioners in Rochester →

Clinician information

CredentialNP
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1609597137
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 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians