Psychologist | 19+ years experience

Ilka Louise De Gast, PSYD

3569 Round Barn Cir, Santa Rosa, California, 95403-1757

About Ilka Louise De Gast

Ilka Louise De Gast is a psychologist based in Santa Rosa, California with 19 years of experience in Psychology. She completed her graduation in 2007. She accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Ilka Louise De Gast is PSY24409 for General Psychology in California. Her current practice location is 3569 Round Barn Cir, Santa Rosa. Patients can contact her at 707-547-2222 or can fax her at 707-527-0472. Ilka Louise De Gast, PSYD, specializes in Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1649576851.

Ilka Louise De Gast is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, she performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. She can diagnose and treat 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 by psycheducational evaluation, therapy, remediation, and consultation.

Practice Information

Ilka Louise De Gast's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Ilka Louise De Gast
Specialization Psychology
Credentials PSYD
Accepts Medicare Assignment Yes
Experience 19+ years
Graduation Year 2007
Gender Female
Practice Address: 3569 Round Barn Cir,
Santa Rosa, CA - 95403-1757
Fax 707-527-0472

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

PAC ID 7618192030
Enrollment ID I20140627000211
NPI Number1649576851
NPI Enumeration Date: 04 Feb, 2011
NPI Last Update On: 13 May, 2014

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Ilka Louise De Gast are as mentioned below.

License NumberSpecializationStateStatus
PSY24409General Psychology CaliforniaPrimary
PSB33686Counselor CaliforniaSecondary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Ilka Louise De Gast
3569 Round Barn Cir,
Santa Rosa, CA - 95403-1757
Phone: 707-547-2222
Fax: 707-527-0472

Book an Appointment with Ilka Louise De Gast

To schedule an appointment, contact Ilka Louise De Gast at 3569 Round Barn Cir, Santa Rosa, California or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Ilka Louise De Gast:

Ilka Louise De Gast is a psychologist specializing in General Psychology. She is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, she performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. She can diagnose and treat 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 by psycheducational evaluation, therapy, remediation, and consultation.

Ilka Louise De Gast has approximately 19 years of experience in General Psychology.

Yes, Ilka Louise De Gast accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Ilka Louise De Gast is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Ilka Louise De Gast practices at 3569 Round Barn Cir, Santa Rosa, California, 95403-1757.

To schedule an appointment with Ilka Louise De Gast, please contact the office at 707-547-2222.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.