Dr. Leonard J Donk
PHD | Psychologist
20111 Stevens Creek Blvd, Suite 250, Cupertino
California, 95014-2399
408-366-9910 408-366-9915
Maps & DirectionsDr. Leonard J Donk is a Cupertino, California based psychologist who is specialized in General Psychology. Active license number of Dr. Leonard J Donk is 9064 for Clinical Child & Adolescent Psychology in California. His current practice location is 20111 Stevens Creek Blvd, Suite 250, Cupertino. Patients can reach him at 408-366-9910 or can fax him at 408-366-9915. Dr. Leonard J Donk is PHD in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1942420591.
Dr. Leonard J Donk is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.
Complete Profile:
Dr. Leonard J Donk 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. Leonard J Donk |
| Specialization: | General Psychology |
| Gender: | Male |
| Credentials: | PHD |
| Practice Address: | 20111 Stevens Creek Blvd, Suite 250, Cupertino,
California, 95014-2399 |
| Phone: | 408-366-9910 |
| Fax: | 408-366-9915 |
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: | 1942420591 |
| NPI Enumeration Date: | 26 Apr, 2007 |
| NPI Last Update On: | 11 Sep, 2025 |
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. Leonard J Donk are as mentioned below.
| License Number | Specialization | State | Status | |
| 9064 | Clinical Child & Adolescent Psychology | California | Primary | |
| 9064 | General Psychology | California | Secondary | |
| 9064 | Cognitive & Behavioral Psychology | California | Secondary | |
| 9064 | Clinical Psychology | California | Secondary | |
| 9064 | Counseling Psychology | California | Secondary | |
| 9064 | Forensic Psychology | California | Secondary | |
| 9064 | Health Psychology | California | Secondary | |
| 9064 | Psychoanalysis | California | Secondary | |
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. Leonard J Donk
20111 Stevens Creek Blvd, Suite 250
Cupertino, California |
| Zip: | 95014-2399 |
| Phone Number: | 408-366-9910 |
| Fax Number: | 408-366-9915 |
Patients can reach Dr. Leonard J Donk at
20111 Stevens Creek Blvd, Suite 250, Cupertino, California or can
call to book an appointment on 408-366-9910.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.