DR. JOAN KAY CLAYTON PH.D.
NPI 1598877102
Psychologist in West Lake Hills, TX

Active since August 31, 2006PECOS EnrolledAccepts Medicare Assignment
5524 BEE CAVES RD STE H2, WEST LAKE HILLS, TX 78746(512) 710-0551(512) 717-6337 Get Directions Write a Review

NPPES record last updated: December 29, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 29, 2025, Oct 26, 2023, Jul 24, 2023 and 7 more (10 updates tracked since 2020).

About Dr. Joan Kay Clayton Ph.d. NPPES

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

DR. JOAN KAY CLAYTON PH.D. (NPI 1598877102) is an individual psychologist in West Lake Hills, Texas, licensed in Texas (33156) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1980).

NPPES Registry Identity

NPI1598877102
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. JOAN KAY CLAYTONCredential: PH.D.
Location Address5524 BEE CAVES RD STE H2West Lake Hills, TX 78746-5246
Mailing AddressPo Box 3041Marble Falls, TX 78654-3077 · (512) 710-0551 · Fax (512) 717-6337
Fax(512) 717-6337
Sole ProprietorYes
Medical School CMSOtherGraduated 1980
Enumeration DateAugust 31, 2006
Last NPPES UpdateDecember 29, 202510 updates tracked since enumeration
NPPES CertifiedDecember 29, 2025
NPI 1598877102 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in TX · 33156
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.
5524 BEE CAVES RD STE H2, West Lake Hills, TX 78746

Other Identifiers 1

Medicaid440531802TX

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Joan Kay Clayton Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3971915919
PECOS Enrollment IDI20201215002156
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 20

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

Nurse Practitioner (Psychiatric/Mental Health)
5524 BEE CAVES RD STE H2
WEST LAKE HILLS, TX 78746
Social Worker (Clinical)
5524 BEE CAVES RD STE H2
WEST LAKE HILLS, TX 78746
Social Worker (Clinical)
5524 BEE CAVES RD STE H2
WEST LAKE HILLS, TX 78746
Nurse Practitioner (Psychiatric/Mental Health)
5524 BEE CAVES RD STE H2
WEST LAKE HILLS, TX 78746
Counselor (Mental Health)
5524 BEE CAVES RD STE H2
WEST LAKE HILLS, TX 78746
Social Worker (Clinical)
5524 BEE CAVES RD STE H2
WEST LAKE HILLS, TX 78746
Social Worker (Clinical)
5524 BEE CAVES RD STE H2
WEST LAKE HILLS, TX 78746
Counselor (Mental Health)
5524 BEE CAVES RD STE H2
WEST LAKE HILLS, TX 78746

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 Joan Clayton's NPI number?

The NPI number for Joan Clayton is 1598877102. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is Joan Clayton located?

Joan Clayton practices at 5524 Bee Caves Rd Ste H2, West Lake Hills, TX 78746. The listed phone number is (512) 710-0551.

What is Joan Clayton's specialty?

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

Is Joan Clayton enrolled in Medicare?

Yes. Joan Clayton is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Joan Clayton accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 6 other insurers list Joan Clayton 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 Joan Clayton was last updated on December 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.