Psychologist | Clinical Psychology

Nancy Marie Mullin, PSY.D.

3021 Citrus Cir Ste 240, Walnut Creek, California, 94598-2691

About Nancy Marie Mullin

Nancy Marie Mullin is a psychologist based in Walnut Creek, California who is specialized in Clinical Psychology. Active license number of Nancy Marie Mullin is PSY33440 for Clinical Psychology in California. Her current practice location is 3021 Citrus Cir Ste 240, Walnut Creek. Patients can reach her at 925-338-9135. Nancy Marie Mullin is PSY.D. in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1467835876.

Nancy Marie Mullin 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

Nancy Marie Mullin speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Nancy Marie Mullin
Specialization Clinical Psychology
Credentials PSY.D.
Gender Female
Practice Address: 3021 Citrus Cir Ste 240,
Walnut Creek, CA - 94598-2691

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 Number1467835876
NPI Enumeration Date: 02 Jul, 2015
NPI Last Update On: 26 Aug, 2023

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Nancy Marie Mullin are as mentioned below.

License NumberSpecializationStateStatus
PSY33440Clinical 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.

Nancy Marie Mullin
1978 Via Appia,
Walnut Creek, CA - 94598-2242

Book an Appointment with Nancy Marie Mullin

To schedule an appointment, contact Nancy Marie Mullin at 3021 Citrus Cir Ste 240, Walnut Creek, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Nancy Marie Mullin:

Nancy Marie Mullin 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, Nancy Marie Mullin is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Nancy Marie Mullin practices at 3021 Citrus Cir Ste 240, Walnut Creek, California, 94598-2691.

To schedule an appointment with Nancy Marie Mullin, please contact the office at 925-338-9135.

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