William Tillis
Quick Facts
NPI Validation Status: Verified
Provider Overview
WILLIAM TILLIS is a Pulmonology provider based in Lake Geneva, WI who has been registered with CMS since 2005. This NPI is currently Active under CMS NPPES registry.
Provider Details
Practice Location
Specialties & Licenses
Mailing Address
How to Use This NPI
For Insurance Billing
Use NPI 1669468377 in Box 33 of the CMS-1500 claim form. This number is required by all major insurance carriers to identify the billing provider and process electronic medical claims.
For Credentialing
Reference NPI 1669468377for provider credential verification. Hospital systems, state licensing boards, and CAQH directories query this number to verify the provider's active clinical status.
For Patients
Share NPI 1669468377 with your insurance company. If you need to verify out-of-network benefits or file a reimbursement claim, your insurance provider will require this number to process it.
About Pulmonology
Specialists in Pulmonology provide expert clinical care within their specific domain, focusing on the diagnosis, treatment, and management of conditions relevant to their field of practice.
Similar Providers in Lake Geneva
No similar providers found in Lake Geneva.
Other Healthcare Providers in Lake Geneva
Catherine Davis, LCSW
Social WorkerWisconsin Illinois Senior Housing Inc.
Specialty not listedInger Gibson, OD
OptometryCraig Luebke, LCSW
Clinical Social WorkerMark Mohapp, LCSW, CSAC
Addiction CounselorShweta Pearlstein, MD
AnesthesiologyPeople Also Ask
What is William Tillis's NPI number?
Is William Tillis's NPI currently active?
What does William Tillis specialize in?
207RP1001X.