MS. ANDREA THORNTON PHD
NPI 1033295613
Psychologist in Duarte, CA

Active since October 27, 2006Opted out of Medicare · through Apr 1, 2027
1500 E DUARTE RD, DUARTE, CA 91010(626) 359-8111 Get Directions Write a Review

NPPES record last updated: August 1, 2011. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Ms. Andrea Thornton Phd NPPES

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

MS. ANDREA THORNTON PHD (NPI 1033295613) is an individual psychologist in Duarte, California, licensed in California (PSY19135) and active in the NPI registry since October 2006. She has opted out of Medicare through April 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1033295613
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameMS. ANDREA THORNTONCredential: PHD
Location Address1500 E DUARTE RDDuarte, CA 91010
Mailing AddressPo Box 5059Monrovia, CA 91017 · (626) 775-3200 · Fax (626) 775-3271
Sole ProprietorNo
Enumeration DateOctober 27, 2006
Last NPPES UpdateAugust 1, 2011
NPI 1033295613 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 CA · PSY19135
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.

1500 E DUARTE RD, Duarte, CA 91010

Other Identifiers 2

MedicaidPSY191350CA
Medicare PIND0428ZCA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

Ms. Andrea Thornton Phd has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 1, 2017 through April 1, 2027.

Opt-Out Effective DateApril 1, 2017
Opt-Out In Effect ThroughApril 1, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

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.

Anesthesiology
1500 E DUARTE RD
DUARTE, CA 91010
Radiology (Diagnostic Radiology)
1500 E DUARTE RD
DUARTE, CA 91010
Pathology (Molecular Genetic Pathology)
1500 E DUARTE RD
DUARTE, CA 91010
Psychologist
1500 E DUARTE RD
DUARTE, CA 91010
Surgery (Surgical Oncology)
1500 E DUARTE RD
DUARTE, CA 91010
Internal Medicine (Medical Oncology)
1500 E DUARTE RD
DUARTE, CA 91010
Pathology (Anatomic Pathology & Clinical Pathology)
1500 E DUARTE RD
DUARTE, CA 91010
Radiology (Radiation Oncology)
1500 E DUARTE RD
DUARTE, CA 91010

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 Andrea Thornton's NPI number?

The NPI number for Andrea Thornton is 1033295613. It was assigned to this individual provider in the NPPES registry on October 27, 2006.

Where is Andrea Thornton located?

Andrea Thornton practices at 1500 E Duarte Rd, Duarte, CA 91010. The listed phone number is (626) 359-8111.

What is Andrea Thornton's specialty?

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

Is Andrea Thornton enrolled in Medicare?

No. Andrea Thornton has opted out of Medicare through April 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Andrea Thornton was last updated on August 1, 2011. NPI Profile syncs with the weekly NPPES data releases published by CMS.