William Dalton Piacitelli

APCC | Professional Counselor


  405 W 5th St, Santa Ana
     California, 92701-4599
  714-834-8991    Maps & Directions
William Dalton Piacitelli is a Santa Ana, California based counselor who is specialized as Professional Counselor. Active license number of William Dalton Piacitelli is 19611 for Professional Counselor in California. His current practice location is 405 W 5th St, Santa Ana. Patients can book an appointment with him at 714-834-8991.
William Dalton Piacitelli is a licensed mental health practitioner trained to help individuals, couples, and groups address emotional, psychological, and behavioral challenges. He uses talk therapy and evidence-based counseling methods to support clients in managing mental health conditions, improving relationships, and developing coping strategies for life’s difficulties.
Complete Profile:
William Dalton Piacitelli speciality, credentials, practice address, contact phone number and fax are as below. Patients can directly walk in or can call on the below given phone number for appointment.
Name: William Dalton Piacitelli
Specialization: Professional Counselor
Gender:Male
Credentials: APCC
Accepts Medicare Assignment:No
Practice Address:405 W 5th St, Santa Ana,
California, 92701-4599
Phone:714-834-8991
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: 1477438539
NPI Enumeration Date: 07 Aug, 2025
NPI Last Update On: 29 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 William Dalton Piacitelli are as mentioned below.
License NumberSpecializationStateStatus
19611Professional Counselor CaliforniaPrimary
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: 405 W 5th St,
Santa Ana, California
Zip: 92701-4599
Patients can reach William Dalton Piacitelli at 405 W 5th St, Santa Ana, California or can call to book an appointment on 714-834-8991.
*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 13 October, 2025.

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