DR. JAMES B. WILLIS M.D.
NPI 1437185220
Orthopaedic Surgery - Hand Surgery in Cincinnati, OH
About Dr. James B. Willis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES B. WILLIS M.D. (NPI 1437185220) is an individual hand surgery provider in Cincinnati, Ohio, licensed in Ohio (35-029649) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Cincinnati, and is a graduate of University Of Michigan Medical School (1965).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. James B. Willis M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show James Willis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Blue Ash, OH 45242
- Reassigned Medicare billing, Ohio enrollment
- 204 clinicians in this Medicare group
Blue Ash, OH 45242
- Reassigned Medicare billing, Ohio enrollment
- 481 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 45236 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is James Willis's NPI number?
The NPI number for James Willis is 1437185220. It was assigned to this individual provider in the NPPES registry on June 23, 2006.
Where is James Willis located?
James Willis practices at 4700 E Galbraith Rd # 300A, Cincinnati, OH 45236. The listed phone number is (513) 347-9999.
What is James Willis's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Hand Surgery, with taxonomy code 207XS0106X.
Is James Willis enrolled in Medicare?
Yes. James Willis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for James Willis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Willis reassigns Medicare benefits to 2 organizations: Mercy Health Physicians Cincinnati, LLC (Blue Ash, OH) and Mercy Health Physicians Cincinnati Specialty Care LLC (Blue Ash, OH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Willis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Willis accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and Antidote Health Plan of Ohio, Inc. and 5 other insurers list James Willis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for James Willis was last updated on March 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.