Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Frank Castillon III, M.D.

Neurological Surgery Physician in Lubbock, TX · enumerated 2006.

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

National Provider Identifier

1104866375

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Registry record

Entity type Individual (Type 1)

Name Dr. Frank Castillon III

Credential M.D.

Sex Male

Practice address 2424 50th Sreet, Ste 100, Lubbock, TX, 79412

Phone (806) 761-0722

Fax (806) 797-1265

Enumeration date Jun 7, 2006

Last updated in NPPES Apr 26, 2016

Taxonomy & licenses

207T00000X Neurological Surgery Physician Allopathic & Osteopathic Physicians · License M0682 (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
8EC855	Other	TX	BCBS
51953072	Medicaid	NM	-
216108100	Other	TX	FIRSTCARE

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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Frank Castillon practice?

The practice location on file with NPPES is in Lubbock, TX. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Frank Castillon?

The National Provider Identifier (NPI) for Frank Castillon is 1104866375, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-04-26.