Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Cornelia Dekker, M.D.

Pediatric Infectious Diseases Physician in Stanford, CA · enumerated 2007.

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

National Provider Identifier

1255525374

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Registry record

Entity type Individual (Type 1)

Name Dr. Cornelia Dekker

Credential M.D.

Sex Female

Practice address 300 Pasteur Dr, Room G312, Stanford, CA, 94305

Phone (650) 724-4437

Enumeration date Aug 31, 2007

Last updated in NPPES Aug 31, 2007

Taxonomy & licenses

2080P0208X Pediatric Infectious Diseases Physician Allopathic & Osteopathic Physicians · License C50127 (CA) 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 specialty is Cornelia Dekker?

Cornelia Dekker is registered in NPPES with the primary taxonomy of Pediatric Infectious Diseases Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-08-31.