Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alexis Dora Ritvo, MD MPH

Q: What is the NPI number for Alexis Ritvo?

The National Provider Identifier (NPI) for Alexis Ritvo is 1891051090, a Type 1 (individual) record in the CMS NPPES registry.

Addiction Psychiatry Physician in Aurora, CO · enumerated 2012.

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

National Provider Identifier

1891051090

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Registry record

Entity type Individual (Type 1)

Name Alexis Dora Ritvo

Credential MD MPH

Sex Female

Practice address 1890 N Revere Ct Ste 4020, Aurora, CO, 80045

Phone (303) 724-9416

Enumeration date Apr 2, 2012

Last updated in NPPES Jul 30, 2025

Taxonomy & licenses

2084P0802X Addiction Psychiatry Physician Allopathic & Osteopathic Physicians · License DR0054928 (CO) Primary

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 Alexis Ritvo?

The National Provider Identifier (NPI) for Alexis Ritvo is 1891051090, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alexis Ritvo practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-07-30.