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

Pathology

Joseph E. Willis Jr., MD

Works at hospitals in Parma, OH · Cleveland, OH · Chardon, OH … · Ohio

Summary

Joseph E. Willis Jr., MD (Pathology) is listed by Medicare at 5 hospitals in Parma, OH, Cleveland, OH and Chardon, OH and other places. NPI 1265458509. 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 Joseph E. Willis Jr., 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

PathologyPrimary specialty
YesAccepts Medicare assignment
44Years since medical school (graduated 1982)
MaleGender (as listed)
University Hospitals Medical Group IncGroup practice

Quick answers

Which hospitals does Joseph E. Willis Jr. work at?
Medicare's official clinician data lists Joseph E. Willis Jr. at 5 hospitals: Parma Community General Hospital, UH Cleveland Medical Center, UH Regional Hospitals, UH St John Medical Center and University Hospitals Ahuja Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Joseph E. Willis Jr. see patients?
Medicare's clinician data lists 1 practice location in Cleveland, OH. Call before your visit to confirm the address.
What is Joseph E. Willis Jr.'s specialty?
Medicare lists Pathology as the primary specialty.
Does Joseph E. Willis Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Joseph E. Willis Jr. 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 Joseph E. Willis Jr.?
(216) 844-1000, as listed in official Medicare / NPI Registry data.
What is Joseph E. Willis Jr.'s NPI number?
1265458509. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Joseph E. Willis Jr. works

Medicare's Facility Affiliation Data lists Joseph E. Willis Jr. 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 Joseph E. Willis Jr. is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Joseph E. Willis Jr. as a member of this group (CMS data updated 2026-10-02).

  • University Hospitals Medical Group Inc2,294 clinicians in the group

Specialties

Find other Pathology doctors in Ohio →

Other pathologists in Cleveland

Clinicians with the same Medicare primary specialty in Cleveland, OH — not a recommendation.

All pathologists in Cleveland →

Clinician information

CredentialMD
Graduation year1982
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1265458509
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