Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marissa B Anderson-Chernishof, M.D., M.S.

Internal Medicine Physician in Silverdale, WA · enumerated 2014.

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

National Provider Identifier

1235549957

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Registry record

Entity type Individual (Type 1)

Name Marissa B Anderson-Chernishof

Credential M.D., M.S.

Sex Female

Practice address 1800 Nw Myhre Rd, Silverdale, WA, 98383

Phone (360) 744-8800

Enumeration date May 2, 2014

Last updated in NPPES May 12, 2024

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MD61188611 (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
2182680	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

Where does Marissa Anderson-Chernishof practice?

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

What is the NPI number for Marissa Anderson-Chernishof?

The National Provider Identifier (NPI) for Marissa Anderson-Chernishof is 1235549957, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-05-12.