Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mark E Hill, MD

Q: What is the NPI number for Mark Hill?

The National Provider Identifier (NPI) for Mark Hill is 1427168483, a Type 1 (individual) record in the CMS NPPES registry.

Public Health & General Preventive Medicine Physician in Seattle, WA · enumerated 2006.

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

National Provider Identifier

1427168483

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Registry record

Entity type Individual (Type 1)

Name Mark E Hill

Credential MD

Sex Male

Practice address 5133 S Lucile St, Seattle, WA, 98118

Phone (206) 617-9210

Enumeration date Aug 30, 2006

Last updated in NPPES Feb 14, 2023

Taxonomy & licenses

208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License MD00028963 (WA) Secondary

208G00000X Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Allopathic & Osteopathic Physicians · License MD00028963 (WA) Secondary

2083P0901X Public Health & General Preventive Medicine Physician Allopathic & Osteopathic Physicians · License 00028963 (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
HI7841	Other	WA	BLUE SHIELD
8890877	Other	WA	MEDICARE PTAN - KITSAP CO
US0864641	Other	WA	AETNA/USHC SPECIALIST
805370700	Other	WA	IDAHO MEDICAID
8205189	Medicaid	WA	-
MD8963	Other	WA	ALASKA MEDICAID
0039625	Other	WA	LABOR & INDUSTRY
060042767	Other	-	RAILROAD MEDICARE

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

Where does Mark Hill practice?

The practice location on file with NPPES is in Seattle, WA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Mark Hill?

The National Provider Identifier (NPI) for Mark Hill is 1427168483, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-02-14.