NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Katherine D. Bumstead, MD

Family Medicine Physician in Mukilteo, WA · enumerated 2006.

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

National Provider Identifier

1639270762

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Katherine D. Bumstead
Credential MD
Sex Female
Practice address 4112 Harbour Pointe Blvd Sw, Suite 100, Mukilteo, WA, 98275
Phone (425) 347-6330
Enumeration date Sep 25, 2006
Last updated in NPPES Feb 6, 2015

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License MD00037555 (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
8245367 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

What is the NPI number for Katherine Bumstead?
The National Provider Identifier (NPI) for Katherine Bumstead is 1639270762, a Type 1 (individual) record in the CMS NPPES registry.
Where does Katherine Bumstead practice?
The practice location on file with NPPES is in Mukilteo, WA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-02-06.