Mary Ann Hession
PHD | Clinical Child & Adolescent Psychologist
4650 W Sunset Blvd, Ms# 53, Los Angeles
California, 90027-6062
323-669-2350 323-671-1502
Maps & DirectionsMary Ann Hession is a Los Angeles, California based psychologist who is specialized in Clinical Child & Adolescent Psychology. Active license number of Mary Ann Hession is PSY12940 for Clinical Child & Adolescent Psychology in California. Her current practice location is 4650 W Sunset Blvd, Ms# 53, Los Angeles. Patients can reach her at 323-669-2350 or can fax her at 323-671-1502. Mary Ann Hession is PHD in Clinical Child & Adolescent Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1598859779.
Mary Ann Hession analyse the cognitive, social and emotional development of children. Typically, she look at development from the prenatal period through adolescence. Some of the traditional areas of interest include genetics, language development, learning disabilities, personality, gender roles, cognitive development, sexual development and social growth.
Clinical Child Psychologist responsibilities includes task like assessing and treating learning or developmental disabilities or delays; Working with children and their caregivers to manage behavioral issues; Administering psychological tests; Conducting scientific research on childhood development; Working with a health care team to create a unique treatment plan for a client.
Complete Profile:
Mary Ann Hession speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Mary Ann Hession |
| Specialization: | Clinical Child & Adolescent Psychology |
| Gender: | Female |
| Credentials: | PHD |
| Practice Address: | 4650 W Sunset Blvd, Ms# 53, Los Angeles,
California, 90027-6062 |
| Phone: | 323-669-2350 |
| Fax: | 323-671-1502 |
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: | 1598859779 |
| NPI Enumeration Date: | 03 Oct, 2006 |
| NPI Last Update On: | 08 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 Mary Ann Hession are as mentioned below.
| License Number | Specialization | State | Status | |
| PSY12940 | Clinical Child & Adolescent Psychology | California | Primary | |
Other Medical Identifiers:
Other legacy medical identifiers associated with Mary Ann Hession such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| PSY129400 | 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: | Mary Ann Hession
6430 W Sunset Blvd, Suite 600
Los Angeles, California |
| Zip: | 90028-7901 |
| Phone Number: | 323-669-2337 |
| Fax Number: | 323-644-8488 |
Patients can reach Mary Ann Hession at
4650 W Sunset Blvd, Ms# 53, Los Angeles, California or can
call to book an appointment on 323-669-2350.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.