Thomas Gretzinger, MD
Quick Facts
NPI Validation Status: Verified
Provider Overview
THOMAS GRETZINGER, MD is a Dermatology provider based in Austin, TX 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 1518934413 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 1518934413for 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 1518934413 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 Dermatology
Dermatologists specialize in the medical, surgical, and cosmetic treatment of disorders affecting the skin, hair, nails, and mucous membranes.
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People Also Ask
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207N00000X.