DR. HESSAM MOTAMEDIAN PSY.D.
NPI 1609236033
Psychologist in Irvine, CA

Active since February 26, 2016PECOS EnrolledAccepts Medicare Assignment
17762 COWAN STE 100, IRVINE, CA 92614(949) 342-5053 Get Directions Write a Review

NPPES record last updated: August 14, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 14, 2025, Nov 23, 2016, Feb 26, 2016 (3 updates tracked since 2016).

About Dr. Hessam Motamedian Psy.d. NPPES

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

DR. HESSAM MOTAMEDIAN PSY.D. (NPI 1609236033) is an individual psychologist in Irvine, California, licensed in California (28100) and active in the NPI registry since February 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1609236033
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. HESSAM MOTAMEDIANCredential: PSY.D.
Location Address17762 COWAN STE 100Irvine, CA 92614-6899
Mailing Address17762 Cowan Ste 100Irvine, CA 92614-6899 · (310) 800-0535
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateFebruary 26, 2016
Last NPPES UpdateAugust 14, 20253 updates tracked since enumeration
NPPES CertifiedAugust 14, 2025
NPI 1609236033 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 CA · 28100
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.

17762 COWAN STE 100, Irvine, CA 92614

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Hessam Motamedian Psy.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID244520229
PECOS Enrollment IDI20160602002555
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 6

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

Psychologist
17762 COWAN STE 100
IRVINE, CA 92614
Psychologist (Clinical)
17762 COWAN STE 100
IRVINE, CA 92614
Marriage & Family Therapist
17762 COWAN STE 100
IRVINE, CA 92614
Marriage & Family Therapist
17762 COWAN STE 100
IRVINE, CA 92614
Psychologist (Clinical)
17762 COWAN STE 100
IRVINE, CA 92614
Psychologist (Clinical)
17762 COWAN STE 100
IRVINE, CA 92614

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 Hessam Motamedian's NPI number?

The NPI number for Hessam Motamedian is 1609236033. It was assigned to this individual provider in the NPPES registry on February 26, 2016.

Where is Hessam Motamedian located?

Hessam Motamedian practices at 17762 Cowan Ste 100, Irvine, CA 92614. The listed phone number is (949) 342-5053.

What is Hessam Motamedian's specialty?

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

Is Hessam Motamedian enrolled in Medicare?

Yes. Hessam Motamedian is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Hessam Motamedian was last updated on August 14, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.