NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Andrew K. Day, M.D.

Interventional Cardiology Physician in Waco, TX · enumerated 2005 · practices at Waco Cardiology Associates.

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

National Provider Identifier

1891791695

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Registry record

Entity type Individual (Type 1)
Name Dr. Andrew K. Day
Credential M.D.
Sex Male
Practice address 7125 New Sanger Ave Ste A, Waco, TX, 76712
Phone (254) 399-5400
Fax (254) 772-8669
Enumeration date Jun 27, 2005
Last updated in NPPES Nov 10, 2023

Taxonomy & licenses

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License K8617 (TX) Secondary
207RI0011X Interventional Cardiology Physician Allopathic & Osteopathic Physicians · License K8617 (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
2231249 Other TX FIRSTHEALTH
84650 Other TX SWHP
138461100 Other TX FIRSTCARE
8J3261 Other TX BLUE CROSS
166131601 Medicaid TX -
241970502 Other TX UNITED HEALTHCARE
7744605 Other TX AETNA
166131602 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

Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Andrew Day?
Andrew Day is registered in NPPES with the primary taxonomy of Interventional Cardiology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-11-10.