Dr. Derek M Parker , PsyD
Psychologist • Winfield, KS
Professional Overview & Biography Verified Profile Summary
Dr. Derek Parker, PsyD is a certified Psychologist practicing in Winfield, KS. With approximately 11 years of clinical experience since completing medical education in 2015, Dr. Parker delivers high-quality medical care to the local community at 33354 D STREET.
Dr. Parker is affiliated with Ralph Bharati, Md, Pa and accepts Medicare assignment.
Frequently performed procedures and clinical services include psychotherapy. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
33354 D Street
Winfield, KS 67301
Medicare Profile & Education
Other
2015
✓ Accepts Assignment
In-Person Only
Specialty Benchmarks & Practice Insights
Comparative analytics for Psychologist in Winfield, KS
Practicing in Winfield, KS (630 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
90837
Psychotherapy, 60 minutes
|
121 | 26 | $200.00 | $123.14 |
|
90837
Psychotherapy, 60 minutes
|
97 | 15 | $200.00 | $123.62 |
Medical Specialties & State Licenses
CMS Verified: 2026-07-10NUCC Taxonomy Code: 103T00000X
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of 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; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
NUCC Taxonomy Code: 103TP2701X
A psychologist who specializes in group psychology and group psychotherapy that is an evidenced-based specialty that prepares group leaders to identify and capitalize on developmental and healing possibilities embedded in the interpersonal/intrapersonal functioning of individual group members as well as collectively for the group. Emphasis is placed on the use of group dynamics to assist and treat individual group members. The specialty is applicable to all age groups, children, adolescents, adults and older adults, for a wide variety of conditions and concerns, and in numerous and diverse settings.
NUCC Taxonomy Code: 103TF0200X
A psychologist whose specialty is characterized by activities primarily intended to provide professional psychological expertise within the judicial and legal systems.
NUCC Taxonomy Code: 103TB0200X
A psychologist who reflects an experimental-clinical approach distinguished by use of principles of human learning and development and theories of cognitive processing to promote meaningful change in maladaptive human behavior and thinking.
NUCC Taxonomy Code: 103TA0400X
A psychologist with a proficiency that involves the application of psychological treatment of addiction stemming from the use of alcohol and other psychoactive substances (e.g., nicotine, marijuana, cocaine, heroin) or behavioral addictions (e.g., gambling) with the aim of cessation or reduction of use and/or the amelioration of emotional, behavioral, interpersonal and other problems arising from the addictive behavior.
NUCC Taxonomy Code: 103TH0004X
A psychologist who specializes in clinical health psychology that investigates and implements clinical services across diverse populations and settings to promote health and well-being and to prevent, treat, and manage illness and disability. Clinical health psychology sees health as the confluence of psychological, social, cultural, and biological factors and applies this understanding to professional activities including:<br/>* Research<br/>* Clinical service<br/>* Consulting with, educating, and supervising other health care providers and psychologists<br/>* Advising organizations, institutions, the public, and policymakers
NUCC Taxonomy Code: 103T00000X
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of 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; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
NUCC Taxonomy Code: 103TA0700X
A psychologist who specializes in geropsychology, which applies the knowledge and methods of psychology to understanding and helping older persons and their families to maintain well-being, overcome problems and achieve maximum potential during later life. Professional geropsychology appreciates the wide diversity among older adults, the complex ethical issues that can arise in geriatric practice and the importance of interdisciplinary models of care.
NUCC Taxonomy Code: 103TP0814X
A psychologist whose specialty is distinguished from other specialties by its body of knowledge and its intensive treatment approaches. It aims at structural changes and modifications of a person's personality. Psychoanalysis promotes awareness of unconscious, maladaptive and habitually recurrent patterns of emotion and behavior, allowing previously unconscious aspects of the self to become integrated and promoting optimal functioning, healing and creative expression.
NUCC Taxonomy Code: 103TF0000X
A psychologist whose specialty is founded on principles of systems theory with the interpersonal system of the family the focus of assessment, intervention and research.
Hospital & Practice Group Affiliations
Ralph Bharati, Md, Pa
8911 E Orme St, Wichita, KS 672072424
Phone: 3166867884
Secondary Practice Locations
1901 E 1st St
Newton, KS 671145010
Phone: 3162846400
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Counselor - Professional
Physician Assistant - Medical
Physician Assistant
Counselor - Addiction (Substance Use Disorder)
Licensed Practical Nurse
Registered Nurse - Home Health
Psychologist
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 33354 D STREET, WINFIELD, KS 67301 (Tel: 6203311748)
Registered at 3354 D STREET, WINFIELD, KS 67301 (Tel: 6203311748)
Psychologist (License #2441 in KS)
Registered at PO BOX 467, NEWTON, KS 671140467 (Tel: 3162846400)
Psychologist (License #2441 in KS)
NPI status registered as active in NPPES database
Registered at 1901 E 1ST ST, NEWTON, KS 671145010 (Tel: 6204170308)
Registered at 131 N. HILLSIDE, ELDORADO, KS 67042 (Tel: (620) 417-0308)
Recorded as DEREK PARKER, PSY.D.
Counselor (License #KSA65-4016,65-6601 in KS)
NPI status registered as active in NPPES database
Registered at 4504 ZACHARY WAY, SACRAMENTO, CA 958423535 (Tel: 9169936377)
Registered at 4504 ZACHARY WAY, SACRAMENTO, CA 958423535 (Tel: 9169936377)
Recorded as DEREK PARKER
Counselor (License #KSA65-4016,65-6601 in KS)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
3354 D Street
Winfield, KS 67301
Phone: 6203311748
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