Dr. David K Markley
PH.D. | Clinical Psychologist
509 Olive Way Ste 204, Seattle
Washington, 98101-1726
206-329-5255 206-726-1878
Maps & DirectionsDr. David K Markley is a Seattle, Washington based psychologist who is specialized in Clinical Psychology. Active license number of Dr. David K Markley is PY00002563 for Clinical Psychology in Washington. His current practice location is 509 Olive Way Ste 204, Seattle. Patients can reach him at 206-329-5255 or can fax him at 206-726-1878. Dr. David K Markley is PH.D. in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1750452876.
Dr. David K Markley 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). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.
Complete Profile:
Dr. David K Markley 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. David K Markley |
| Specialization: | Clinical Psychology |
| Gender: | Male |
| Credentials: | PH.D. |
| Practice Address: | 509 Olive Way Ste 204, Seattle,
Washington, 98101-1726 |
| Phone: | 206-329-5255 |
| Fax: | 206-726-1878 |
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: | 1750452876 |
| NPI Enumeration Date: | 11 Nov, 2006 |
| NPI Last Update On: | 21 Jul, 2022 |
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. David K Markley are as mentioned below.
| License Number | Specialization | State | Status | |
| PY00002563 | Clinical Psychology | Washington | 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. David K Markley
509 Olive Way Ste 204,
Seattle, Washington |
| Zip: | 98101-1726 |
| Phone Number: | 206-329-5255 |
| Fax Number: | 206-726-1878 |
Patients can reach Dr. David K Markley at
509 Olive Way Ste 204, Seattle, Washington or can
call to book an appointment on 206-329-5255.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.