Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marlene L Dicristina, M.D.

Family Medicine Physician in Longview, WA · enumerated 2005.

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

National Provider Identifier

1558368597

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Registry record

Entity type Individual (Type 1)

Name Marlene L Dicristina

Credential M.D.

Sex Female

Practice address 1230 7th Ave, Longview, WA, 98632

Phone (360) 636-2400

Enumeration date Jul 6, 2005

Last updated in NPPES Jan 31, 2022

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License MD00047921 (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
0440388	Medicaid	IA	-

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 Marlene Dicristina practice?

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

What is the NPI number for Marlene Dicristina?

The National Provider Identifier (NPI) for Marlene Dicristina is 1558368597, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-01-31.