Psychologist | 49+ years experience

Dr. Dewey J. Ertz, ED.D.

3601 Canyon Lake Dr, Rapid City, South Dakota, 57702-3900

About Dr. Dewey J. Ertz

Dr. Dewey J. Ertz is a psychologist based in Rapid City, South Dakota with 49 years of experience in Psychology. He completed his graduation in 1977. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Dewey J. Ertz is 123 for General Psychology in South Dakota. His current practice location is 3601 Canyon Lake Dr, Rapid City. Patients can contact him at 605-341-8647 or can fax him at 605-341-0489. Dr. Dewey J. Ertz, ED.D., specializes in Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1164606570.

Dr. Dewey J. Ertz 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.

Practice Information

Dr. Dewey J. Ertz'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. Dewey J. Ertz
Specialization Psychology
Credentials ED.D.
Accepts Medicare Assignment Yes
Experience 49+ years
Graduation Year 1977
Gender Male
Practice Address: 3601 Canyon Lake Dr,
Rapid City, SD - 57702-3900
Fax 605-341-0489

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.

PAC ID 6305922790
Enrollment ID I20080326000136
NPI Number1164606570
NPI Enumeration Date: 20 Dec, 2007
NPI Last Update On: 20 Dec, 2007

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. Dewey J. Ertz are as mentioned below.

License NumberSpecializationStateStatus
123General Psychology South DakotaPrimary
123Counselor South DakotaSecondary
123Clinical Psychology South DakotaSecondary
123Family Psychology South DakotaSecondary
123Forensic Psychology South DakotaSecondary
123Mental Retardation & Developmental Disabilities Psychology South DakotaSecondary
123Group Psychotherapy South DakotaSecondary
123Rehabilitation Psychology South DakotaSecondary
29664-02School Psychology South DakotaSecondary

Other Medical Identifiers

Other professional identifiers associated with Dr. Dewey J. Ertz such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
6550193MedicaidSouth Dakota
460461452-26MedicaidNebraska

Mailing Address

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

Dr. Dewey J. Ertz
3601 Canyon Lake Dr,
Rapid City, SD - 57702-3900
Phone: 605-341-8647
Fax: 605-341-0489

Book an Appointment with Dr. Dewey J. Ertz

To schedule an appointment, contact Dr. Dewey J. Ertz at 3601 Canyon Lake Dr, Rapid City, South Dakota or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Dewey J. Ertz:

Dr. Dewey J. Ertz is a psychologist specializing in General Psychology. He 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.

Dr. Dewey J. Ertz has approximately 49 years of experience in General Psychology.

Yes, Dr. Dewey J. Ertz accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Dewey J. Ertz 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. Dewey J. Ertz practices at 3601 Canyon Lake Dr, Rapid City, South Dakota, 57702-3900.

To schedule an appointment with Dr. Dewey J. Ertz, please contact the office at 605-341-8647.

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