Psychologist | Clinical Psychology

Dr. Katherine Rose Twohy, PH D

11401 South Bloomfield Avenue, Norwalk, California, 90650

About Dr. Katherine Rose Twohy

Dr. Katherine Rose Twohy is a psychologist based in Norwalk, California who is specialized in Clinical Psychology. Active license number of Dr. Katherine Rose Twohy is PSY15089 for Clinical Psychology in California. Her current practice location is 11401 South Bloomfield Avenue, Norwalk. Patients can contact her at 562-863-7011 or can fax her at 562-864-4560. Dr. Katherine Rose Twohy, PH D, specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1316993439.

Dr. Katherine Rose Twohy 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.

Practice Information

Dr. Katherine Rose Twohy'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. Katherine Rose Twohy
Specialization Clinical Psychology
Credentials PH D
Gender Female
Practice Address: 11401 South Bloomfield Avenue,
Norwalk, CA - 90650
Fax 562-864-4560

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.

NPI Number1316993439
NPI Enumeration Date: 26 May, 2006
NPI Last Update On: 13 Jul, 2026

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. Katherine Rose Twohy are as mentioned below.

License NumberSpecializationStateStatus
PSY15089Clinical 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. Katherine Rose Twohy
1600 9th Street, Room 205 Mailstop 2 3
Sacramento, CA - 95814-6414
Phone: 916-654-2431
Fax: 916-654-3186

Book an Appointment with Dr. Katherine Rose Twohy

To schedule an appointment, contact Dr. Katherine Rose Twohy at 11401 South Bloomfield Avenue, Norwalk, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Katherine Rose Twohy:

Dr. Katherine Rose Twohy is a psychologist specializing in Clinical Psychology. She 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.

Yes, Dr. Katherine Rose Twohy 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. Katherine Rose Twohy practices at 11401 South Bloomfield Avenue, Norwalk, California, 90650.

To schedule an appointment with Dr. Katherine Rose Twohy, please contact the office at 562-863-7011.

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