William Steffan, MD
Quick Facts
NPI Validation Status: Verified
Provider Overview
WILLIAM STEFFAN, MD is a Family Medicine provider based in Laguna Niguel, CA who has been registered with CMS since 2006. 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 1790758431 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 1790758431for 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 1790758431 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 Family Medicine
Family Medicine physicians provide comprehensive primary care to patients of all ages, managing acute illnesses, tracking chronic conditions, and emphasizing preventive healthcare.
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People Also Ask
What is William Steffan's NPI number?
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What does William Steffan specialize in?
207Q00000X.