DR. JOHN STUART TURTZ PH.D.
NPI 1790225316
Psychologist in Larchmont, NY

Active since March 01, 2017Opted out of Medicare · through Oct 1, 2027
28 MOUNTAIN AVE, LARCHMONT, NY 10538(914) 834-5426 Get Directions Write a Review

NPPES record last updated: March 1, 2017. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. John Stuart Turtz Ph.d. NPPES

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

DR. JOHN STUART TURTZ PH.D. (NPI 1790225316) is an individual psychologist in Larchmont, New York, licensed in New York (009473 - 1) and active in the NPI registry since March 2017. He has opted out of Medicare through October 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1790225316
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. JOHN STUART TURTZCredential: PH.D.
Location Address28 MOUNTAIN AVELarchmont, NY 10538-1937
Mailing Address28 Mountain AveLarchmont, NY 10538-1937 · (914) 834-5426
Sole ProprietorYes
Enumeration DateMarch 1, 2017
NPI 1790225316 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 NY · 009473 - 1
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.
28 MOUNTAIN AVE, Larchmont, NY 10538

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. John Stuart Turtz Ph.d. 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 October 1, 2017 through October 1, 2027.

Opt-Out Effective DateOctober 1, 2017
Opt-Out In Effect ThroughOctober 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 John Turtz's NPI number?

The NPI number for John Turtz is 1790225316. It was assigned to this individual provider in the NPPES registry on March 1, 2017.

Where is John Turtz located?

John Turtz practices at 28 Mountain Ave, Larchmont, NY 10538. The listed phone number is (914) 834-5426.

What is John Turtz's specialty?

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

Is John Turtz enrolled in Medicare?

No. John Turtz has opted out of Medicare through October 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 John Turtz was last updated on March 1, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.