Psychologist | General Psychology | 40+ years experience

Dr. Margaret E O'neill, PHD

1299 Briarwood Dr, Apt 112, San Luis Obispo, California, 93401-5966

About Dr. Margaret E O'neill

Dr. Margaret E O'neill is a psychologist based in San Luis Obispo, California with 40 years of experience in General Psychology. She completed her graduation in 1986. She accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Margaret E O'neill is PSY11824 for General Psychology in California. Her current practice location is 1299 Briarwood Dr, Apt 112, San Luis Obispo. Patients can contact her at 805-439-0156. Dr. Margaret E O'neill, PHD, specializes in General Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1073696910.

Dr. Margaret E O'neill 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

Dr. Margaret E O'neill'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. Margaret E O'neill
Specialization General Psychology
Credentials PHD
Accepts Medicare Assignment Yes
Experience 40+ years
Graduation Year 1986
Gender Female
Practice Address: 1299 Briarwood Dr, Apt 112
San Luis Obispo, CA - 93401-5966

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 0143289082
Enrollment ID I20041006001400
NPI Number1073696910
NPI Enumeration Date: 23 Oct, 2006
NPI Last Update On: 11 Mar, 2022

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. Margaret E O'neill are as mentioned below.

License NumberSpecializationStateStatus
PSY11824General Psychology CaliforniaPrimary

Mailing Address

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

Dr. Margaret E O'neill
1299 Briarwood Dr, Apt 112
San Luis Obispo, CA - 93401-5966
Phone: 805-439-0156

Book an Appointment with Dr. Margaret E O'neill

To schedule an appointment, contact Dr. Margaret E O'neill at 1299 Briarwood Dr, Apt 112, San Luis Obispo, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Margaret E O'neill:

Dr. Margaret E O'neill 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.

Dr. Margaret E O'neill has approximately 40 years of experience in General Psychology.

Yes, Dr. Margaret E O'neill accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Margaret E O'neill 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. Margaret E O'neill practices at 1299 Briarwood Dr, Apt 112, San Luis Obispo, California, 93401-5966.

To schedule an appointment with Dr. Margaret E O'neill, please contact the office at 805-439-0156.

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