Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Milagros Rivera, MD

Pediatrics Physician in Rio Piedras, PR · enumerated 2006.

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

National Provider Identifier

1790862894

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Registry record

Entity type Individual (Type 1)

Name Mrs. Milagros Rivera

Credential MD

Sex Female

Practice address #1 Pineiro St Esq Vallejo, Cms Dr Javier Javier Anton, Rio Piedras, PR, 00925

Phone (787) 763-4242

Fax (787) 763-3175

Enumeration date Nov 1, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 4331 (PR) 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 Milagros Rivera?

The National Provider Identifier (NPI) for Milagros Rivera is 1790862894, a Type 1 (individual) record in the CMS NPPES registry.

Where does Milagros Rivera practice?

The practice location on file with NPPES is in Rio Piedras, 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 2007-07-08.