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Avis M Day, MD

Pediatrics Physician in Austin, TX · enumerated 2006 · practices at Austin Regional Clinic, PA.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1609881762

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Registry record

Entity type Individual (Type 1)
Name Avis M Day
Credential MD
Sex Female
Practice address 3816 S 1st St, Austin, TX, 78704
Phone (512) 443-1311
Fax (512) 448-8250
Enumeration date Jul 29, 2006
Last updated in NPPES Feb 27, 2012

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License H3999 (TX) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
105570905 Medicaid TX -
105570904 Medicaid TX -
105570903 Medicaid TX -
105570901 Medicaid TX -

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Avis Day?
The National Provider Identifier (NPI) for Avis Day is 1609881762, a Type 1 (individual) record in the CMS NPPES registry.
Where does Avis Day practice?
The practice location on file with NPPES is in Austin, TX. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-02-27.