Dr. Douglas Lon William
PH.D. | Clinical Child & Adolescent Psychologist
30 Flower Ln, Jericho
New York, 11753-2312
516-931-0752 Maps & DirectionsDr. Douglas Lon William is a Jericho, New York based psychologist who is specialized in Clinical Child & Adolescent Psychology. Active license number of Dr. Douglas Lon William is 6159 for Clinical Child & Adolescent Psychology in New York. His current practice location is 30 Flower Ln, Jericho. Patients can reach him at 516-931-0752. Dr. Douglas Lon William is PH.D. in Clinical Child & Adolescent Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1871632489.
Dr. Douglas Lon William analyse the cognitive, social and emotional development of children. Typically, he 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:
Dr. Douglas Lon William 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. Douglas Lon William |
| Specialization: | Clinical Child & Adolescent Psychology |
| Gender: | Male |
| Credentials: | PH.D. |
| Practice Address: | 30 Flower Ln, Jericho,
New York, 11753-2312 |
| Phone: | 516-931-0752 |
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: | 1871632489 |
| NPI Enumeration Date: | 06 Feb, 2007 |
| 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 Dr. Douglas Lon William are as mentioned below.
| License Number | Specialization | State | Status | |
| 6159 | Clinical Child & Adolescent Psychology | New York | Primary | |
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. Douglas Lon William
30 Flower Ln,
Jericho, New York |
| Zip: | 11753-2312 |
| Phone Number: | 516-931-0752 |
Patients can reach Dr. Douglas Lon William at
30 Flower Ln, Jericho, New York or can
call to book an appointment on 516-931-0752.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.