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Nurse Practitioner

Olivia Slezik

Works at hospitals in W Concord, MA · Massachusetts

Summary

Olivia Slezik (Nurse Practitioner) is listed by Medicare at 1 hospital in W Concord, MA. NPI 1891378733. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Olivia Slezik, 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
YesOffers telehealth
5Years since medical school (graduated 2021)
University Of Massachusetts Medical SchoolMedical school
FemaleGender (as listed)
Atrius Health IncGroup practice

Quick answers

Which hospitals does Olivia Slezik work at?
Medicare's official clinician data lists Olivia Slezik at 1 hospital: Emerson Hospital -. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Olivia Slezik see patients?
Medicare's clinician data lists 1 practice location in Concord, MA. Call before your visit to confirm the address.
What is Olivia Slezik's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Olivia Slezik accept Medicare assignment?
Yes. Medicare's clinician data says Olivia Slezik 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.
Does Olivia Slezik offer telehealth?
Medicare's clinician data says Olivia Slezik offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Olivia Slezik?
(978) 287-9300, as listed in official Medicare / NPI Registry data.
What is Olivia Slezik's NPI number?
1891378733. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Olivia Slezik works

Medicare's Facility Affiliation Data lists Olivia Slezik at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Olivia Slezik is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Olivia Slezik as a member of this group (CMS data updated 2026-10-02).

  • Atrius Health Inc1,222 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Massachusetts →

Other nurse practitioners in Concord

Clinicians with the same Medicare primary specialty in Concord, MA — not a recommendation.

All nurse practitioners in Concord →

Clinician information

Medical schoolUniversity Of Massachusetts Medical School
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1891378733
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  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