Psychologist | General Psychology | 45+ years experience

Dr. Gerald David Oster, PH.D.

2915 Olney Sandy Spring Rd Ste B, Olney, Maryland, 20832-3502

About Dr. Gerald David Oster

Dr. Gerald David Oster is a psychologist based in Olney, Maryland with 45 years of experience in General Psychology. He completed his graduation in 1981. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Gerald David Oster is 01755 for General Psychology in Maryland. His current practice location is 2915 Olney Sandy Spring Rd Ste B, Olney. Patients can contact him at 301-774-6202. Dr. Gerald David Oster, PH.D., specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1528181906.

Dr. Gerald David Oster is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He 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

Dr. Gerald David Oster'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 Dr. Gerald David Oster
Specialization General Psychology
Credentials PH.D.
Accepts Medicare Assignment Yes
Experience 45+ years
Graduation Year 1981
Gender Male
Practice Address: 2915 Olney Sandy Spring Rd Ste B,
Olney, MD - 20832-3502

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 8820338015
Enrollment ID I20190522000003
NPI Number1528181906
NPI Enumeration Date: 09 Apr, 2007
NPI Last Update On: 27 Oct, 2020

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 Dr. Gerald David Oster are as mentioned below.

License NumberSpecializationStateStatus
01755General Psychology MarylandPrimary

Mailing Address

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

Dr. Gerald David Oster
Po Box 316,
Olney, MD - 20830-0316
Phone: 301-774-6202

Book an Appointment with Dr. Gerald David Oster

To schedule an appointment, contact Dr. Gerald David Oster at 2915 Olney Sandy Spring Rd Ste B, Olney, Maryland or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Gerald David Oster:

Dr. Gerald David Oster is a psychologist specializing in General Psychology. He is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He 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.

Dr. Gerald David Oster has approximately 45 years of experience in General Psychology.

Yes, Dr. Gerald David Oster accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Gerald David Oster 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.

Dr. Gerald David Oster practices at 2915 Olney Sandy Spring Rd Ste B, Olney, Maryland, 20832-3502.

To schedule an appointment with Dr. Gerald David Oster, please contact the office at 301-774-6202.

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