Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Ignacio Montemayor Jr., M.D.

Pediatric Adolescent Medicine Physician in Victoria, TX · enumerated 2006.

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

National Provider Identifier

1053377036

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Dr. Ignacio Montemayor Jr.

Credential M.D.

Sex Male

Practice address Victoria, TX, 77901

Phone (361) 579-1302

Fax (361) 579-1303

Enumeration date Apr 26, 2006

Last updated in NPPES Jul 9, 2007

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

2080A0000X Pediatric Adolescent Medicine Physician Allopathic & Osteopathic Physicians · License L7488 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Ignacio Montemayor?

The National Provider Identifier (NPI) for Ignacio Montemayor is 1053377036, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ignacio Montemayor practice?

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

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-09.