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

Dr. Amy E Williams, PH.D.

Clinical Psychologist in Indianapolis, IN · enumerated 2007.

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

National Provider Identifier

1437358413

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Registry record

Entity type Individual (Type 1)

Name Dr. Amy E Williams

Credential PH.D.

Sex Female

Practice address Indianapolis, IN, 46202

Phone (317) 944-8162

Enumeration date Jul 11, 2007

Last updated in NPPES Feb 19, 2025

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 4149 (AZ) Secondary

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 071.008097 (IL) Secondary

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 20042654A (IN) Primary

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

Other identifiers

Identifier	Type	State	Issuer
201216420	Medicaid	IN	-

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

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.

What specialty is Amy Williams?

Amy Williams 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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-02-19.