Dr. Nancy Williams Olesen
PH.D. | Clinical Psychologist
711 D St, Suite 117, San Rafael
California, 94901-3707
415-457-1236 415-457-1236
Maps & DirectionsDr. Nancy Williams Olesen is a San Rafael, California based psychologist who is specialized in Clinical Psychology. Active license number of Dr. Nancy Williams Olesen is PSY5832 for Clinical Psychology in California. Her current practice location is 711 D St, Suite 117, San Rafael. Patients can reach her at 415-457-1236 or can fax her at 415-457-1236. Dr. Nancy Williams Olesen is PH.D. in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1598844425.
Dr. Nancy Williams Olesen 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. Nancy Williams Olesen 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. Nancy Williams Olesen |
| Specialization: | Clinical Psychology |
| Gender: | Female |
| Credentials: | PH.D. |
| Practice Address: | 711 D St, Suite 117, San Rafael,
California, 94901-3707 |
| Phone: | 415-457-1236 |
| Fax: | 415-457-1236 |
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: | 1598844425 |
| NPI Enumeration Date: | 02 Nov, 2006 |
| NPI Last Update On: | 09 Jul, 2007 |
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. Nancy Williams Olesen are as mentioned below.
| License Number | Specialization | State | Status | |
| PSY5832 | Clinical Psychology | California | Primary | |
Other Medical Identifiers:
Other legacy medical identifiers associated with Dr. Nancy Williams Olesen such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| 6893662 | Other | California | VALUE OPTIONS PROVIDER |
| 00PL58320 | Other | California | BLUE SHIELD PROVIDER |
| 238180 | Other | California | MHN PROVIDER |
| 00PL58321 | Medicaid | California | |
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. Nancy Williams Olesen
711 D St, Suite 117
San Rafael, California |
| Zip: | 94901-3707 |
| Phone Number: | 415-457-1236 |
| Fax Number: | 415-457-1236 |
Patients can reach Dr. Nancy Williams Olesen at
711 D St, Suite 117, San Rafael, California or can
call to book an appointment on 415-457-1236.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.