DR. GEORGE KOUMARAS PHD
NPI 1154377901
Psychologist in San Marcos, CA

Active since May 25, 2006PECOS Enrolled
277 RANCHEROS DR STE 301, SAN MARCOS, CA 92069(760) 471-4073(619) 528-4625 Get Directions Write a Review

NPPES record last updated: May 6, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 6, 2021, Feb 21, 2020, Apr 16, 2019 and 1 more (4 updates tracked since 2018).

About Dr. George Koumaras Phd NPPES

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

DR. GEORGE KOUMARAS PHD (NPI 1154377901) is an individual psychologist in San Marcos, California and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1154377901
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. GEORGE KOUMARASCredential: PHD
Location Address277 RANCHEROS DR STE 301San Marcos, CA 92069-2993
Mailing AddressPo Box 609001San Diego, CA 92160-9001 · (619) 528-4600 · Fax (619) 528-4625
Fax(619) 528-4625
Sole ProprietorNo
Enumeration DateMay 25, 2006
Last NPPES UpdateMay 6, 20214 updates tracked since enumeration
NPPES CertifiedMay 6, 2021
NPI 1154377901 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
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.
277 RANCHEROS DR STE 301, San Marcos, CA 92069

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. George Koumaras Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 17

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

Marriage & Family Therapist
277 RANCHEROS DR STE 301
SAN MARCOS, CA 92069
Nurse Practitioner (Psychiatric/Mental Health)
277 RANCHEROS DR STE 301
SAN MARCOS, CA 92069
Nurse Practitioner (Psychiatric/Mental Health)
277 RANCHEROS DR STE 301
SAN MARCOS, CA 92069
Marriage & Family Therapist
277 RANCHEROS DR STE 301
SAN MARCOS, CA 92069
Psychiatry & Neurology (Psychiatry)
277 RANCHEROS DR STE 301
SAN MARCOS, CA 92069
Nurse Practitioner (Psychiatric/Mental Health)
277 RANCHEROS DR STE 301
SAN MARCOS, CA 92069
Psychiatry & Neurology (Psychiatry)
277 RANCHEROS DR STE 301
SAN MARCOS, CA 92069
Social Worker (Clinical)
277 RANCHEROS DR STE 301
SAN MARCOS, CA 92069

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 George Koumaras's NPI number?

The NPI number for George Koumaras is 1154377901. It was assigned to this individual provider in the NPPES registry on May 25, 2006.

Where is George Koumaras located?

George Koumaras practices at 277 Rancheros Dr Ste 301, San Marcos, CA 92069. The listed phone number is (760) 471-4073.

What is George Koumaras's specialty?

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

Is George Koumaras enrolled in Medicare?

Yes. George Koumaras is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for George Koumaras was last updated on May 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.