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

Silvia Aballe Diaz, MD

Q: What is the NPI number for Silvia Diaz?

The National Provider Identifier (NPI) for Silvia Diaz is 1861402174, a Type 1 (individual) record in the CMS NPPES registry.

Pediatrics Physician in Easton, MD · enumerated 2006.

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

National Provider Identifier

1861402174

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Registry record

Entity type Individual (Type 1)

Name Silvia Aballe Diaz

Credential MD

Sex Female

Practice address Easton, MD, 21601

Phone (410) 822-6712

Enumeration date Aug 9, 2006

Last updated in NPPES Jul 8, 2007

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

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License D0017568 (MD) 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 Silvia Diaz?

The National Provider Identifier (NPI) for Silvia Diaz is 1861402174, a Type 1 (individual) record in the CMS NPPES registry.

Where does Silvia Diaz practice?

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

Other providers at this practice address

Browse all →

Silvia A. Diaz, MD PA Pediatrics Physician · Easton, MD NPI 1295745503 University of Maryland Pediatric Associates, PA Children's Chronic Disease Hospital · Easton, MD NPI 1922821214 University of Maryland Surgical Associates, PA Pediatric Surgery Physician · Easton, MD NPI 1427912526 University of Maryland Surgical Associates, PA Plastic and Reconstructive Surgery Physician · Easton, MD NPI 1417811514 University of Maryland Surgical Associates, PA Vascular Surgery Physician · Easton, MD NPI 1598629602 University of Maryland Surgical Associates, PA Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Easton, MD NPI 1225992332 University of Maryland Surgical Associates, PA Surgical Oncology Physician · Easton, MD NPI 1013871144 University of Maryland Surgical Associates, PA Surgery Physician · Easton, MD NPI 1003770132

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.