Psychologist | 57+ years experience

William Fredrick Heineke, ED. D.

100 Warren Ave, Gillette, Wyoming, 82716-3728

About William Fredrick Heineke

William Fredrick Heineke is a psychologist based in Gillette, Wyoming with 57 years of experience in Psychology. He completed his graduation in 1969. He is also affiliated with hospitals like He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of William Fredrick Heineke is LP423 for Clinical Psychology in Wyoming. His current practice location is 100 Warren Ave, Gillette. Patients can contact him at 307-689-3522 or can fax him at 307-682-2968. William Fredrick Heineke, ED. D., specializes in Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1083751416.

William Fredrick Heineke 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

William Fredrick Heineke'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 William Fredrick Heineke
Specialization Psychology
Credentials ED. D.
Accepts Medicare Assignment Yes
Experience 57+ years
Graduation Year 1969
Gender Male
Practice Address: 100 Warren Ave,
Gillette, WY - 82716-3728
Fax 307-682-2968

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 9133395619
Enrollment ID I20120104000867
NPI Number1083751416
NPI Enumeration Date: 01 Feb, 2007
NPI Last Update On: 25 Aug, 2025

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 William Fredrick Heineke are as mentioned below.

License NumberSpecializationStateStatus
LP423Clinical Psychology WyomingPrimary
PSYCHOLOGIST 423Counselor WyomingSecondary
LMFT 53Counselor WyomingSecondary
LPC 346Counselor WyomingSecondary
LPC346Clinical Psychology WyomingSecondary
LMFT53Clinical Psychology WyomingSecondary

Hospital Affiliation

Doctors are affiliated to many hospitals whom they worked with in the past or are presently working with. One doctor can be affiliated to four to five hospitals at a time.
Hospital Name (CCN) StateHospital Type
(530002)Gillette, WYAcute Care Hospital

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which William Fredrick Heineke is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Campbell County Hospital District (2860392529)84

Other Medical Identifiers

Other professional identifiers associated with William Fredrick Heineke such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
131573100MedicaidWyoming
220179800MedicaidWyoming

Mailing Address

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

William Fredrick Heineke
Po Box 3246,
Gillette, WY - 82717-3246
Phone: 307-689-3522

Book an Appointment with William Fredrick Heineke

To schedule an appointment, contact William Fredrick Heineke at 100 Warren Ave, Gillette, Wyoming or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about William Fredrick Heineke:

William Fredrick Heineke 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.

William Fredrick Heineke has approximately 57 years of experience in Clinical Psychology.

Yes, William Fredrick Heineke accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, William Fredrick Heineke 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.

William Fredrick Heineke practices at 100 Warren Ave, Gillette, Wyoming, 82716-3728.

To schedule an appointment with William Fredrick Heineke, please contact the office at 307-689-3522.

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