Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Arielle Nicole Valdez-Sinon

Obstetrics & Gynecology Physician in Baltimore, MD · enumerated 2021.

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

National Provider Identifier

1275205882

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Registry record

Entity type Individual (Type 1)

Name Arielle Nicole Valdez-Sinon

Sex Female

Practice address 600 N Wolfe St, Baltimore, MD, 21287

Phone (410) 955-6710

Enumeration date Oct 1, 2021

Last updated in NPPES Jul 7, 2026

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License D0105607 (MD) 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 Arielle Valdez-Sinon?

The National Provider Identifier (NPI) for Arielle Valdez-Sinon is 1275205882, a Type 1 (individual) record in the CMS NPPES registry.

Where does Arielle Valdez-Sinon practice?

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

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