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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Allen Flack, M.D.

Anatomic Pathology & Clinical Pathology Physician in Wichita Falls, TX · enumerated 2010.

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

National Provider Identifier

1053623421

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Registry record

Entity type Individual (Type 1)
Name Dr. Allen Flack
Credential M.D.
Sex Male
Practice address 1209 Brook Ave, Wichita Falls, TX, 76301
Phone (940) 322-7284
Fax (940) 322-8938
Enumeration date Jul 13, 2010
Last updated in NPPES Jul 7, 2015

Taxonomy & licenses

207ZP0102X Anatomic Pathology & Clinical Pathology Physician Allopathic & Osteopathic Physicians · License P9564 (TX) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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 NPI 1053623421 active?
Yes, as of the latest NPPES snapshot, NPI 1053623421 is active (record last updated 2015-07-07).
How do I verify Allen Flack's NPI record?
Cross-check NPI 1053623421 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-07-07.