Dr. Kaitlin Marie O'brien is a Costa Mesa, California based psychologist who is specialized in Clinical Psychology. Active license number of Dr. Kaitlin Marie O'brien is PSY35098 for Clinical Psychology in California. Her current practice location is 940 S Coast Dr Ste 225, Costa Mesa. Patients can reach her at 949-743-1457. Dr. Kaitlin Marie O'brien is PH.D. in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1194468439.
Dr. Kaitlin Marie O'brien is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.
Complete Profile:
Dr. Kaitlin Marie O'brien speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Dr. Kaitlin Marie O'brien |
| Specialization: | Clinical Psychology |
| Gender: | Female |
| Credentials: | PH.D. |
| Practice Address: | 940 S Coast Dr Ste 225, Costa Mesa,
California, 92626-7757 |
| Phone: | 949-743-1457 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1194468439 |
| NPI Enumeration Date: | 14 Apr, 2022 |
| NPI Last Update On: | 13 Aug, 2024 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Kaitlin Marie O'brien are as mentioned below.
| License Number | Specialization | State | Status | |
| PSY35098 | Clinical Psychology | California | Primary | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Dr. Kaitlin Marie O'brien
125 Olympic,
Granite Bay, California |
| Zip: | 95746-6766 |
| Phone Number: | 562-293-5938 |
Patients can reach Dr. Kaitlin Marie O'brien at
940 S Coast Dr Ste 225, Costa Mesa, California or can
call to book an appointment on 949-743-1457.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.