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Gastroenterology

Jack Collazzo, MD

Works at hospitals in Bryn Mawr, PA · Philadelphia, PA · Wynnewood, PA … · Pennsylvania

Summary

Jack Collazzo, MD (Gastroenterology) is listed by Medicare at 5 hospitals in Bryn Mawr, PA, Philadelphia, PA and Wynnewood, PA and other places. NPI 1891725891. 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 Jack Collazzo, 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

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
36Years since medical school (graduated 1990)
Pennsylvania State University College Of MedicineMedical school
MaleGender (as listed)
Bryn Mawr Medical Specialists AssociationGroup practice

Quick answers

Which hospitals does Jack Collazzo work at?
Medicare's official clinician data lists Jack Collazzo at 5 hospitals: Bryn Mawr Hospital, Hospital of Univ of Pennsylvania, Main Line Hospital Lankenau, Paoli Hospital and Riddle Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jack Collazzo see patients?
Medicare's clinician data lists 1 practice location in Bryn Mawr, PA. Call before your visit to confirm the address.
What is Jack Collazzo's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does Jack Collazzo accept Medicare assignment?
Yes. Medicare's clinician data says Jack Collazzo 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 Jack Collazzo?
(610) 527-3800, as listed in official Medicare / NPI Registry data.
What is Jack Collazzo's NPI number?
1891725891. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jack Collazzo works

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

Group practices

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

  • Bryn Mawr Medical Specialists Association134 clinicians in the group

Specialties

Find other Gastroenterology doctors in Pennsylvania →

Other gastroenterologists in Bryn Mawr

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

All gastroenterologists in Bryn Mawr →

Clinician information

CredentialMD
Medical schoolPennsylvania State University College Of Medicine
Graduation year1990
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1891725891
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