Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dionisio Trejo, MD

Pediatrics Physician in Peoria, AZ · enumerated 2007.

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

National Provider Identifier

1730394792

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Registry record

Entity type Individual (Type 1)

Name Dionisio Trejo

Credential MD

Sex Male

Practice address 15525 N 83rd Ave Ste 104, Peoria, AZ, 85382

Phone (877) 809-5092

Fax (623) 505-3272

Enumeration date May 13, 2007

Last updated in NPPES Jan 16, 2019

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 268408 (NY) Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 54679 (AZ) Primary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 52974 (CT) Secondary

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

What is the NPI number for Dionisio Trejo?

The National Provider Identifier (NPI) for Dionisio Trejo is 1730394792, a Type 1 (individual) record in the CMS NPPES registry.

Where does Dionisio Trejo practice?

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

Other providers at this practice address

Browse all →

Maria Avilez Family Medicine Physician · Peoria, AZ NPI 1730126756 Manuel Castillo Clinical Social Worker · Peoria, AZ NPI 1457682171 Lavanya Varma Internal Medicine Physician · Peoria, AZ NPI 1972945269 Adelante Healthcare, Inc. Federally Qualified Health Center (FQHC) · Peoria, AZ NPI 1770991291 Megan Nicholas Psychiatric/Mental Health Nurse Practitioner · Peoria, AZ NPI 1457749731 Brent Smoots Internal Medicine Physician · Peoria, AZ NPI 1003202144 Tammy Thompson Professional Counselor · Peoria, AZ NPI 1326429424 Nassali Mugwanya Pediatrics Physician · Peoria, AZ NPI 1205299351

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-01-16.