Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Rebecca Maureen Cronin, MD

Pediatrics Physician in Seattle, WA · enumerated 2008.

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

National Provider Identifier

1740454917

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Registry record

Entity type Individual (Type 1)

Name Rebecca Maureen Cronin

Credential MD

Sex Female

Practice address 4744 41st Ave Sw Ste 101, Seattle, WA, 98116

Phone (206) 320-5780

Fax (206) 320-5794

Enumeration date Apr 17, 2008

Last updated in NPPES Feb 25, 2022

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License MD60615503 (WA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
2050735	Medicaid	WA	-

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

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.

What specialty is Rebecca Cronin?

Rebecca Cronin is registered in NPPES with the primary taxonomy of Pediatrics Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-02-25.