William Mcallister, M.D
Quick Facts
NPI Validation Status: Verified
Provider Overview
WILLIAM MCALLISTER, M.D is a Internal Medicine provider based in Corte Madera, CA 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 1821072646 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 1821072646for 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 1821072646 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 Internal Medicine
Internal Medicine physicians (internists) specialize in the prevention, diagnosis, and nonsurgical treatment of adult illnesses, managing complex chronic conditions and multi-system diseases.
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General SurgeryPeople Also Ask
What is William Mcallister's NPI number?
Is William Mcallister's NPI currently active?
What does William Mcallister specialize in?
207R00000X.