Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Katherine A O'Donnell, M.D.

Pediatrics Physician in Boston, MA · enumerated 2006.

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

National Provider Identifier

1407804594

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Registry record

Entity type Individual (Type 1)

Name Katherine A O'Donnell

Credential M.D.

Sex Female

Practice address 300 Longwood Avenue, Childrens Hospital, Boston, MA, 02115

Phone (617) 355-6363

Enumeration date May 4, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 227313 (MA) 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 Katherine O'Donnell?

The National Provider Identifier (NPI) for Katherine O'Donnell is 1407804594, a Type 1 (individual) record in the CMS NPPES registry.

Where does Katherine O'Donnell practice?

The practice location on file with NPPES is in Boston, MA. 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 2007-07-08.