Psychologist | Clinical Psychology

Dr. David Leon Celio, PHD

520 E Whidbey Ave, Office # 206, Oak Harbor, Washington, 98277-5922

About Dr. David Leon Celio

Dr. David Leon Celio is a psychologist based in Oak Harbor, Washington who is specialized in Clinical Psychology. Active license number of Dr. David Leon Celio is 623 for Clinical Psychology in Washington. His current practice location is 520 E Whidbey Ave, Office # 206, Oak Harbor. Patients can contact him at 360-675-4027 or can fax him at 206-329-0866. Dr. David Leon Celio, PHD, specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1518916253.

Dr. David Leon Celio 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.

Practice Information

Dr. David Leon Celio's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. David Leon Celio
Specialization Clinical Psychology
Credentials PHD
Gender Male
Practice Address: 520 E Whidbey Ave, Office # 206
Oak Harbor, WA - 98277-5922
Fax 206-329-0866

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1518916253
NPI Enumeration Date: 09 May, 2006
NPI Last Update On: 13 Jul, 2026

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. David Leon Celio are as mentioned below.

License NumberSpecializationStateStatus
623Clinical Psychology WashingtonPrimary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. David Leon Celio
Po Box 95263,
Seattle, WA - 98145-2263
Phone: 360-675-4027
Fax: 206-329-0866

Book an Appointment with Dr. David Leon Celio

To schedule an appointment, contact Dr. David Leon Celio at 520 E Whidbey Ave, Office # 206, Oak Harbor, Washington or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. David Leon Celio:

Dr. David Leon Celio is a psychologist specializing in Clinical Psychology. He 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.

Yes, Dr. David Leon Celio is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. David Leon Celio practices at 520 E Whidbey Ave, Office # 206, Oak Harbor, Washington, 98277-5922.

To schedule an appointment with Dr. David Leon Celio, please contact the office at 360-675-4027.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.