DR. J. GREGORY TURNBULL PSYD
NPI 1629034582
Psychologist in Kailua, HI

Active since April 20, 2006Opted out of Medicare · through Apr 1, 2027
603 PAOPUA LOOP, KAILUA, HI 96734(808) 398-8666(888) 527-8662 Get Directions Write a Review

NPPES record last updated: March 15, 2014. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. J. Gregory Turnbull Psyd NPPES

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

DR. J. GREGORY TURNBULL PSYD (NPI 1629034582) is an individual psychologist in Kailua, Hawaii, licensed in Hawaii (PSY 929) and active in the NPI registry since April 2006. He has opted out of Medicare through April 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1629034582
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. J. GREGORY TURNBULLCredential: PSYD
Location Address603 PAOPUA LOOPKailua, HI 96734-3535
Mailing Address603 Paopua LoopKailua, HI 96734-3535 · (808) 398-8666 · Fax (888) 527-8662
Fax(888) 527-8662
Sole ProprietorYes
Enumeration DateApril 20, 2006
Last NPPES UpdateMarch 15, 2014
NPI 1629034582 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 HI · PSY 929
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.
603 PAOPUA LOOP, Kailua, HI 96734

Other Names 1

Professional Name (2)Dr. James Gregory Turnbull Psyd

Other Identifiers 2

Other0000258160HI · Bcbs Hawaii Hawaii Medical Services Association (hmsa)
Medicaid58194301HI

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

Dr. J. Gregory Turnbull Psyd 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, 2013 through April 1, 2027.

Opt-Out Effective DateApril 1, 2013
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.

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 J. Turnbull's NPI number?

The NPI number for J. Turnbull is 1629034582. It was assigned to this individual provider in the NPPES registry on April 20, 2006. The provider is also known as Dr. James Gregory Turnbull Psyd.

Where is J. Turnbull located?

J. Turnbull practices at 603 Paopua Loop, Kailua, HI 96734. The listed phone number is (808) 398-8666.

What is J. Turnbull's specialty?

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

Is J. Turnbull enrolled in Medicare?

No. J. Turnbull 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.

What insurance does J. Turnbull accept?

Health plans from HMSA list J. Turnbull 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 J. Turnbull was last updated on March 15, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years 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.