Psychologist | Clinical Psychology | 47+ years experience

Karen P Williams, PH.D.

10737 Laurel St Ste 230, Rancho Cucamonga, California, 91730-7659

About Karen P Williams

Karen P Williams is a psychologist based in Rancho Cucamonga, California with 47 years of experience in Clinical Psychology. She completed her graduation in 1979. She accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Karen P Williams is PSY12198 for Clinical Psychology in California. Her current practice location is 10737 Laurel St Ste 230, Rancho Cucamonga. Patients can contact her at 909-989-5556 or can fax her at 909-989-5558. Karen P Williams, PH.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1619004173.

Karen P Williams 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

Karen P Williams'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 Karen P Williams
Specialization Clinical Psychology
Credentials PH.D.
Accepts Medicare Assignment Yes
Experience 47+ years
Graduation Year 1979
Gender Female
Practice Address: 10737 Laurel St Ste 230,
Rancho Cucamonga, CA - 91730-7659
Fax 909-989-5558

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 3375691827
Enrollment ID I20090511000407
NPI Number1619004173
NPI Enumeration Date: 28 Feb, 2007
NPI Last Update On: 26 Apr, 2023

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 Karen P Williams are as mentioned below.

License NumberSpecializationStateStatus
PSY12198Clinical Psychology CaliforniaPrimary
PSY12198Clinical Child & Adolescent Psychology CaliforniaSecondary

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which Karen P Williams is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
County Of San Bernardino (3870499130)58

Mailing Address

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

Karen P Williams
10737 Laurel St Ste 230,
Rancho Cucamonga, CA - 91730-7659
Phone: 909-989-5556
Fax: 909-989-5558

Book an Appointment with Karen P Williams

To schedule an appointment, contact Karen P Williams at 10737 Laurel St Ste 230, Rancho Cucamonga, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Karen P Williams:

Karen P Williams 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.

Karen P Williams has approximately 47 years of experience in Clinical Psychology.

Yes, Karen P Williams accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Karen P Williams 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.

Karen P Williams practices at 10737 Laurel St Ste 230, Rancho Cucamonga, California, 91730-7659.

To schedule an appointment with Karen P Williams, please contact the office at 909-989-5556.

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