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

Dr. Bill J Mulliken, D.D.S.

Durable Medical Equipment & Medical Supplies in Mill Creek, WA · enumerated 2006.

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

National Provider Identifier

1053330308

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Registry record

Entity type Individual (Type 1)

Name Dr. Bill J Mulliken

Credential D.D.S.

Sex Male

Practice address Mill Creek, WA, 98012

Phone (425) 481-4974

Fax (425) 388-4930

Enumeration date Jul 18, 2006

Last updated in NPPES Jan 1, 2025

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

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 5460 (WA) Secondary

332B00000X Durable Medical Equipment & Medical Supplies Suppliers Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS 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 Bill Mulliken?

Bill Mulliken is registered in NPPES with the primary taxonomy of Durable Medical Equipment & Medical Supplies. 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.

Other providers at this practice address

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Janine Simon Physical Therapist · Mill Creek, WA NPI 1144228313 Cascade Children'S Therapy Speech-Language Pathologist · Mill Creek, WA NPI 1740225564 Leland Shenfield Pediatric Dentistry · Mill Creek, WA NPI 1558476770 Thomas Saunders Clinical Social Worker · Mill Creek, WA NPI 1588766927 Thomas Kane General Practice Dentistry · Mill Creek, WA NPI 1932293040 Janine Czerniecki Pediatric Occupational Therapist · Millcreek, WA NPI 1033273115 J. L. Donaldson Services Corporation Specialist · Mill Creek, WA NPI 1558426395 David Rasmussen Clinical Psychologist · Mill Creek, WA NPI 1699830364

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-01-01.