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Hand Surgery

James B. Willis, MD

Sees patients in Blue Ash, OH · Ohio

Summary

James B. Willis, MD (Hand Surgery) is enrolled with Medicare at 1 practice location in Blue Ash, OH. NPI 1437185220. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about James B. Willis, 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

Hand SurgeryPrimary specialty
YesAccepts Medicare assignment
61Years since medical school (graduated 1965)
University Of Michigan Medical SchoolMedical school
MaleGender (as listed)
Mercy Health Physicians Cincinnati Specialty Care LLCGroup practice

Quick answers

Where does James B. Willis see patients?
Medicare's clinician data lists 1 practice location in Blue Ash, OH. Call before your visit to confirm the address.
What is James B. Willis's specialty?
Medicare lists Hand Surgery as the primary specialty, and also Orthopedic Surgery.
Does James B. Willis accept Medicare assignment?
Yes. Medicare's clinician data says James B. Willis 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 James B. Willis?
(513) 347-9999, as listed in official Medicare / NPI Registry data.
What is James B. Willis's NPI number?
1437185220. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where James B. Willis is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Mercy Health Physicians Cincinnati Specialty Care LLC349 clinicians in the group

Specialties

Find other Hand Surgery doctors in Ohio →

Other hand surgeons in Ohio

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

All hand surgeons in Ohio →

Clinician information

CredentialMD
Medical schoolUniversity Of Michigan Medical School
Graduation year1965
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437185220
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians