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

Cristina Ortiz-Diaz, DMD, MSD

Oral and Maxillofacial Surgery (Dentist) in Vega Alta, PR · enumerated 2014.

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

National Provider Identifier

1306256276

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Registry record

Entity type Individual (Type 1)

Name Cristina Ortiz-Diaz

Credential DMD, MSD

Sex Female

Practice address Vega Alta, PR, 00692

Phone (787) 883-6234

Enumeration date May 1, 2014

Last updated in NPPES Sep 1, 2021

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

Taxonomy & licenses

1223S0112X Oral and Maxillofacial Surgery (Dentist) Dental Providers · License PRV-FP-108-20 (MS) Secondary

1223S0112X Oral and Maxillofacial Surgery (Dentist) Dental Providers · License 058198-1 (NY) Secondary

1223S0112X Oral and Maxillofacial Surgery (Dentist) Dental Providers · License 3295 (PR) Primary

DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD credential

Other identifiers

Identifier	Type	State	Issuer
038821200	Medicaid	PR	-

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 Cristina Ortiz-Diaz?

The National Provider Identifier (NPI) for Cristina Ortiz-Diaz is 1306256276, a Type 1 (individual) record in the CMS NPPES registry.

Where does Cristina Ortiz-Diaz practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-09-01.