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Surgical Oncology

Ashling Oconnor, MD

Works at hospitals in Burlington, MA · Beverly, MA · Massachusetts

Summary

Ashling Oconnor, MD (Surgical Oncology) is listed by Medicare at 2 hospitals in Burlington, MA and Beverly, MA. NPI 1881851798. 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 Ashling Oconnor, 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

Surgical OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
24Years since medical school (graduated 2002)
FemaleGender (as listed)
Lahey Clinic IncGroup practice

Quick answers

Which hospitals does Ashling Oconnor work at?
Medicare's official clinician data lists Ashling Oconnor at 2 hospitals: Lahey Hospital & Medical Center, Burlington and Northeast Hospital Corporation. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ashling Oconnor see patients?
Medicare's clinician data lists 3 practice locations, including Peabody, MA and Burlington, MA. Call before your visit to confirm the address.
What is Ashling Oconnor's specialty?
Medicare lists Surgical Oncology as the primary specialty, and also General Surgery.
Does Ashling Oconnor accept Medicare assignment?
Yes. Medicare's clinician data says Ashling Oconnor 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 Ashling Oconnor offer telehealth?
Medicare's clinician data says Ashling Oconnor offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Ashling Oconnor?
(978) 538-4000, as listed in official Medicare / NPI Registry data.
What is Ashling Oconnor's NPI number?
1881851798. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ashling Oconnor works

Medicare's Facility Affiliation Data lists Ashling Oconnor 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 Ashling Oconnor is enrolled with Medicare (CMS data updated 2026-10-02).

  • 1 Essex Ctr DrPeabody, MA 01960 (978) 538‑4000
  • 29 Mall RdBurlington, MA 01805
  • 41 Mall RdBurlington, MA 01805

Group practices

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

  • Lahey Clinic Inc1,381 clinicians in the group

Specialties

Find other Surgical Oncology doctors in Massachusetts →

Other surgical oncologists in Massachusetts

Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.

All surgical oncologists in Massachusetts →

Clinician information

CredentialMD
Graduation year2002
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1881851798
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