DR. MARION PHOUMMARATH ZAHN PH.D.
NPI 1669771804
Psychologist in Katy, TX

Active since March 25, 2011
24044 CINCO VILLAGE CENTER BLVD, SUITE 100, KATY, TX 77494(713) 975-1222(888) 975-1526 Get Directions Write a Review

NPPES record last updated: January 27, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 27, 2026, Mar 26, 2025 (2 updates tracked since 2025).

About Dr. Marion Phoummarath Zahn Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARION PHOUMMARATH ZAHN PH.D. (NPI 1669771804) is an individual psychologist in Katy, Texas, licensed in Texas (34861) and active in the NPI registry since March 2011. She maintains a secondary practice location in Tucson.

NPPES Registry Identity

NPI1669771804
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. MARION PHOUMMARATH ZAHNCredential: PH.D.
Location Address24044 CINCO VILLAGE CENTER BLVD, SUITE 100Katy, TX 77494-8432
Mailing Address24044 Cinco Village Center Blvd, Suite 100Katy, TX 77494-8432 · (713) 975-1222 · Fax (888) 975-1526
Fax(888) 975-1526
Sole ProprietorYes
Enumeration DateMarch 25, 2011
Last NPPES UpdateJanuary 27, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 27, 2026
NPI 1669771804 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
Licenses Licensed in TX · 34861 Licensed · 7661
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
24044 CINCO VILLAGE CENTER BLVD, Katy, TX 77494

Secondary Practice Location 1

Location 19302 E 22nd StTucson, AZ 85710-7342 · Phone (520) 278-5758 · Fax (317) 520-8200

Other Identifiers 1

Other7661Psypact Apit

Accepted Insurance

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Speech-Language Pathologist
24044 CINCO VILLAGE CENTER BLVD, STE 100
KATY, TX 77494
Speech-Language Pathologist
24044 CINCO VILLAGE CENTER BLVD
KATY, TX 77494
Community/Behavioral Health
24044 CINCO VILLAGE CENTER BLVD, SUITE 100
KATY, TX 77494
Social Worker (Clinical)
24044 CINCO VILLAGE CENTER BLVD, STE 100 PMB 29
KATY, TX 77494
Counselor
24044 CINCO VILLAGE CENTER BLVD
KATY, TX 77494
Counselor (Mental Health)
24044 CINCO VILLAGE CENTER BLVD
KATY, TX 77494
Psychologist (Counseling)
24044 CINCO VILLAGE CENTER BLVD, SUITE 100
KATY, TX 77494
Nurse Practitioner (Psychiatric/Mental Health)
24044 CINCO VILLAGE CENTER BLVD
KATY, TX 77494

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marion Zahn's NPI number?

The NPI number for Marion Zahn is 1669771804. It was assigned to this individual provider in the NPPES registry on March 25, 2011.

Where is Marion Zahn located?

Marion Zahn practices at 24044 Cinco Village Center Blvd Suite 100, Katy, TX 77494. The listed phone number is (713) 975-1222.

What is Marion Zahn's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

What insurance does Marion Zahn accept?

Health plans from Blue Cross and Blue Shield of Texas, CareSource, Community Health Choice, Medica and Molina Healthcare and 7 other insurers list Marion Zahn as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Marion Zahn was last updated on January 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.