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Hospitalist

Colleen E. O Connor, MD

Works at hospitals in Wynnewood, PA · Pennsylvania

Summary

Colleen E. O Connor, MD (Hospitalist) is listed by Medicare at 1 hospital in Wynnewood, PA. NPI 1922087154. 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 Colleen E. O Connor, 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

HospitalistPrimary specialty
YesAccepts Medicare assignment
24Years since medical school (graduated 2002)
Tufts University School Of MedicineMedical school
FemaleGender (as listed)
Main Line HealthcareGroup practice

Quick answers

Which hospitals does Colleen E. O Connor work at?
Medicare's official clinician data lists Colleen E. O Connor at 1 hospital: Main Line Hospital Lankenau. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Colleen E. O Connor see patients?
Medicare's clinician data lists 2 practice locations, including Wynewood, PA and Bryn Mawr, PA. Call before your visit to confirm the address.
What is Colleen E. O Connor's specialty?
Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
Does Colleen E. O Connor accept Medicare assignment?
Yes. Medicare's clinician data says Colleen E. O Connor 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 Colleen E. O Connor's NPI number?
1922087154. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Colleen E. O Connor works

Medicare's Facility Affiliation Data lists Colleen E. O Connor 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 Colleen E. O Connor is enrolled with Medicare (CMS data updated 2026-10-02).

  • 100 E Lancaster AveWynewood, PA 19096
  • 830 Old Lancaster RdBryn Mawr, PA 19010

Group practices

Medicare enrollment lists Colleen E. O Connor as a member of this group (CMS data updated 2026-10-02).

  • Main Line Healthcare1,184 clinicians in the group

Specialties

Find other Hospitalist doctors in Pennsylvania →

Other hospitalists in Wynewood

Clinicians with the same Medicare primary specialty in Wynewood, PA — not a recommendation.

All hospitalists in Wynewood →

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year2002
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1922087154
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