Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Marylyn Ann Clark, PH D

Marriage & Family Therapist in Prescott, AZ · enumerated 2007.

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

National Provider Identifier

1528114451

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Registry record

Entity type Individual (Type 1)

Name Dr. Marylyn Ann Clark

Credential PH D

Sex Female

Practice address 222 West Gurley St. Suite 105, Prescott, AZ, 86301

Phone (928) 778-1806

Fax (928) 541-9308

Enumeration date Jan 25, 2007

Last updated in NPPES Jul 2, 2013

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License LISAC11094 (AZ) Secondary

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License LMFT0053 (AZ) 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
EIN203600957	Other	-	IRS

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

Is NPI 1528114451 active?

Yes, as of the latest NPPES snapshot, NPI 1528114451 is active (record last updated 2013-07-02).

How do I verify Marylyn Clark's NPI record?

Cross-check NPI 1528114451 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-07-02.