DR. ANDREW GILES MARKMAN GUZICK PH.D.
NPI 1861069882
Psychologist in Fort Washington, PA

Active since June 08, 2021Opted out of Medicare · through Apr 1, 2027
500 OFFICE SUITE DRIVE, SUITE 400, FORT WASHINGTON, PA 19034(215) 259-8234 Get Directions Write a Review

NPPES record last updated: January 31, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Sep 2, 2022, Jun 8, 2021 (2 updates tracked since 2021).

About Dr. Andrew Giles Markman Guzick Ph.d. NPPES

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

DR. ANDREW GILES MARKMAN GUZICK PH.D. (NPI 1861069882) is an individual psychologist in Fort Washington, Pennsylvania, licensed in Pennsylvania (PS019601) and active in the NPI registry since June 2021. He has opted out of Medicare through April 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1861069882
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. ANDREW GILES MARKMAN GUZICKCredential: PH.D.
Location Address500 OFFICE SUITE DRIVE, SUITE 400Fort Washington, PA 19034-3234
Mailing Address1977 Butler Blvd Ste 400Houston, TX 77030-4101 · (713) 798-4857
Sole ProprietorNo
Enumeration DateJune 8, 2021
Last NPPES UpdateJanuary 31, 20252 updates tracked since enumeration
NPPES CertifiedJanuary 31, 2025
NPI 1861069882 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 PA · PS019601
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.
500 OFFICE SUITE DRIVE, Fort Washington, PA 19034

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. Andrew Giles Markman Guzick 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 April 1, 2025 through April 1, 2027.

Opt-Out Effective DateApril 1, 2025
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 Andrew Markman Guzick's NPI number?

The NPI number for Andrew Markman Guzick is 1861069882. It was assigned to this individual provider in the NPPES registry on June 8, 2021.

Where is Andrew Markman Guzick located?

Andrew Markman Guzick practices at 500 Office Suite Drive Suite 400, Fort Washington, PA 19034. The listed phone number is (215) 259-8234.

What is Andrew Markman Guzick's specialty?

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

Is Andrew Markman Guzick enrolled in Medicare?

No. Andrew Markman Guzick 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 Andrew Markman Guzick was last updated on January 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.