Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Maryann Whalen Campion, ED.D., M.S., C.G.C.

Genetic Counselor (M.S.) in Stanford, CA · enumerated 2005.

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

National Provider Identifier

1598752537

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Registry record

Entity type Individual (Type 1)

Name Mrs. Maryann Whalen Campion

Credential ED.D., M.S., C.G.C.

Sex Female

Practice address 300 Pasteur Dr # H-315, Stanford, CA, 94305

Phone (617) 947-6438

Enumeration date Oct 4, 2005

Last updated in NPPES Aug 23, 2021

Taxonomy & licenses

170300000X Genetic Counselor (M.S.) Other Service Providers Primary

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 Maryann Campion practice?

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

What is the NPI number for Maryann Campion?

The National Provider Identifier (NPI) for Maryann Campion is 1598752537, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Whitney Heinrichs Genetic Counselor (M.S.) · Stanford, CA NPI 1013050285 Lauren Mattas Genetic Counselor (M.S.) · Palo Alto, CA NPI 1356749089 Devon Bonner Genetic Counselor (M.S.) · Stanford, CA NPI 1477108231

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-08-23.