Psychologist | Health Service Psychology

Dr. William Charles Isler Iii, PHD

1100 Wilford Hall Loop Bldg 4554, Lackland Afb, Texas, 78236-5638

About Dr. William Charles Isler Iii

Dr. William Charles Isler Iii is a psychologist based in Lackland Afb, Texas who is specialized in Health Service Psychology. Active license number of Dr. William Charles Isler Iii is 2313 for Health Service Psychology in Washington. His current practice location is 1100 Wilford Hall Loop Bldg 4554, Lackland Afb. Patients can contact him at 210-292-6225. Dr. William Charles Isler Iii, PHD, specializes in Health Service Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1699838409.

Dr. William Charles Isler Iii is certified/licensed at the independent practice level in his/her state, and is duly trained and experienced in the delivery of direct, preventative, assessment, and therapeutic intervention services to individuals whose growth, adjustment, or functioning is actually impaired or is demonstrably at high risk of impairment (1974).

Practice Information

Dr. William Charles Isler Iii'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. William Charles Isler Iii
Specialization Health Service Psychology
Credentials PHD
Gender Male
Practice Address: 1100 Wilford Hall Loop Bldg 4554,
Lackland Afb, TX - 78236-5638

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 Number1699838409
NPI Enumeration Date: 19 Dec, 2006
NPI Last Update On: 11 Sep, 2019

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. William Charles Isler Iii are as mentioned below.

License NumberSpecializationStateStatus
2313Health Service 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. William Charles Isler Iii
3403 Fontenay Park,
San Antonio, TX - 78251-4745
Phone: 210-454-5012

Book an Appointment with Dr. William Charles Isler Iii

To schedule an appointment, contact Dr. William Charles Isler Iii at 1100 Wilford Hall Loop Bldg 4554, Lackland Afb, Texas or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. William Charles Isler Iii:

Dr. William Charles Isler Iii is a psychologist specializing in Health Service Psychology. He is certified/licensed at the independent practice level in his/her state, and is duly trained and experienced in the delivery of direct, preventative, assessment, and therapeutic intervention services to individuals whose growth, adjustment, or functioning is actually impaired or is demonstrably at high risk of impairment (1974).

Yes, Dr. William Charles Isler Iii 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. William Charles Isler Iii practices at 1100 Wilford Hall Loop Bldg 4554, Lackland Afb, Texas, 78236-5638.

To schedule an appointment with Dr. William Charles Isler Iii, please contact the office at 210-292-6225.

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