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

Dr. Marilyn Jean Krieger, PH.D.

Clinical Psychologist in Mill Valley, CA · enumerated 2023 · practices at Marilyn J. Krieger, Ph.D. Psychologist Inc.

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

National Provider Identifier

1841069416

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Registry record

Entity type Individual (Type 1)

Name Dr. Marilyn Jean Krieger

Credential PH.D.

Sex Female

Practice address Mill Valley, CA, 94941

Phone (415) 346-5937

Enumeration date Dec 25, 2023

Last updated in NPPES Dec 25, 2023

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

Taxonomy & licenses

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License PSY5060 (CA) Primary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD 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.

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Frequently asked questions

What specialty is Marilyn Krieger?

Marilyn Krieger is registered in NPPES with the primary taxonomy of Clinical Psychologist. 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.

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Marilyn J. Krieger, Ph.D. Psychologist Inc Clinical Psychologist · Mill Valley, CA NPI 1184493694

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-12-25.