Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. STACEY HALVERSON PH D
NPI 1699283911
Psychologist in Gilbert, AZ

Active since January 22, 2018PECOS Enrolled
3477 S MERCY RD STE 201, GILBERT, AZ 85297(480) 728-6580(480) 728-6581 Get Directions Write a Review

NPPES record last updated: September 22, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 22, 2026, Apr 24, 2018 (2 updates tracked since 2018).

About Dr. Stacey Halverson Ph D NPPES

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

DR. STACEY HALVERSON PH D (NPI 1699283911) is an individual psychologist in Gilbert, Arizona, licensed in Arizona (4950) and active in the NPI registry since January 2018. She is enrolled in Medicare PECOS and maintains a secondary practice location in Maricopa.

NPPES Registry Identity

NPI1699283911
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. STACEY HALVERSONCredential: PH D
Location Address3477 S MERCY RD STE 201Gilbert, AZ 85297-0448
Mailing AddressPo Box 33269Phoenix, AZ 85067-3269 · (602) 406-4786 · Fax (916) 636-4358
Fax(480) 728-6581
Sole ProprietorNo
Enumeration DateJanuary 22, 2018
Last NPPES UpdateSeptember 22, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2026
✔ NPI 1699283911 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 AZ · 4950
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.
3477 S MERCY RD STE 201, Gilbert, AZ 85297

Secondary Practice Location 1

Location 121300 N John Wayne Pkwy Ste 115Maricopa, AZ 85139-8978 · Phone (520) 426-3424 · Fax (520) 568-9560

Other Identifiers 1

Other37678TX · License

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Stacey Halverson Ph D is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 13

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

Family Medicine
3477 S MERCY RD STE 201
GILBERT, AZ 85297
Family Medicine
3477 S MERCY RD STE 201
GILBERT, AZ 85297
Family Medicine
3477 S MERCY RD STE 201
GILBERT, AZ 85297
Family Medicine
3477 S MERCY RD STE 201
GILBERT, AZ 85297
Family Medicine
3477 S MERCY RD STE 201
GILBERT, AZ 85297
Family Medicine
3477 S MERCY RD STE 201
GILBERT, AZ 85297
Family Medicine
3477 S MERCY RD STE 201
GILBERT, AZ 85297
Family Medicine
3477 S MERCY RD STE 201
GILBERT, AZ 85297

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 Stacey Halverson's NPI number?

The NPI number for Stacey Halverson is 1699283911. It was assigned to this individual provider in the NPPES registry on January 22, 2018.

Where is Stacey Halverson located?

Stacey Halverson practices at 3477 S Mercy Rd Ste 201, Gilbert, AZ 85297. The listed phone number is (480) 728-6580.

What is Stacey Halverson's specialty?

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

Is Stacey Halverson enrolled in Medicare?

Yes. Stacey Halverson is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Stacey Halverson was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.