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

DR. MARJAN TIFFANY KHANJANI-OLIVER PH.D.
NPI 1265371595
Psychologist in San Antonio, TX

Active since March 25, 2026
9939 STATE HIGHWAY 151, SAN ANTONIO, TX 78251(210) 792-5893 Get Directions Write a Review

NPPES record last updated: September 24, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 24, 2026, Mar 25, 2026 (2 updates tracked since 2026).

About Dr. Marjan Tiffany Khanjani-oliver Ph.d. NPPES

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

DR. MARJAN TIFFANY KHANJANI-OLIVER PH.D. (NPI 1265371595) is an individual psychologist in San Antonio, Texas, licensed in New York (028471) and active in the NPI registry since March 2026.

NPPES Registry Identity

NPI1265371595
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. MARJAN TIFFANY KHANJANI-OLIVERCredential: PH.D.
Location Address9939 STATE HIGHWAY 151San Antonio, TX 78251-1900
Mailing Address9939 State Highway 151San Antonio, TX 78251-1900
Sole ProprietorNo
Enumeration DateMarch 25, 2026
Last NPPES UpdateSeptember 24, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 24, 2026
✔ NPI 1265371595 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 · 028471
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.
9939 STATE HIGHWAY 151, San Antonio, TX 78251

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.

Registered Nurse
9939 STATE HIGHWAY 151
SAN ANTONIO, TX 78251
Psychologist (Clinical)
9939 STATE HIGHWAY 151
SAN ANTONIO, TX 78251
Registered Nurse (Diabetes Educator)
9939 STATE HIGHWAY 151
SAN ANTONIO, TX 78251
Registered Nurse
9939 STATE HIGHWAY 151
SAN ANTONIO, TX 78251
Licensed Practical Nurse
9939 STATE HIGHWAY 151
SAN ANTONIO, TX 78251
Counselor (Professional)
9939 STATE HIGHWAY 151
SAN ANTONIO, TX 78251
Registered Nurse
9939 STATE HIGHWAY 151
SAN ANTONIO, TX 78251
Clinical Neuropsychologist
9939 STATE HIGHWAY 151
SAN ANTONIO, TX 78251

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 Marjan Khanjani-oliver's NPI number?

The NPI number for Marjan Khanjani-oliver is 1265371595. It was assigned to this individual provider in the NPPES registry on March 25, 2026.

Where is Marjan Khanjani-oliver located?

Marjan Khanjani-oliver practices at 9939 State Highway 151, San Antonio, TX 78251. The listed phone number is (210) 792-5893.

What is Marjan Khanjani-oliver's specialty?

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

When was this NPI record last updated?

The NPPES record for Marjan Khanjani-oliver was last updated on September 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.