Dr. William F. Blackerby , PhD
Psychologist • Clarksville, TN
Professional Overview & Biography Verified Profile Summary
Dr. William Blackerby, PhD is a registered healthcare professional specializing in Psychologist in Clarksville, TN. Practice services are available at 141 CHESAPEAKE LN under active NPI credentials.
Frequently performed procedures and clinical services include psychotherapy, psychiatric diagnostic evaluation. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
141 Chesapeake Ln
Clarksville, TN 370405241
Specialty Benchmarks & Practice Insights
Comparative analytics for Psychologist in Clarksville, TN
Practicing in Clarksville, TN (554 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
90832
Psychotherapy, 30 minutes
|
617 | 93 | $176.34 | $63.23 |
|
90832
Psychotherapy, 30 minutes
|
554 | 85 | $175.71 | $60.93 |
|
90791
Psychiatric diagnostic evaluation
|
55 | 54 | $421.38 | $121.90 |
|
90834
Psychotherapy, 45 minutes
|
51 | 35 | $226.00 | $84.32 |
|
90834
Psychotherapy, 45 minutes
|
48 | 32 | $226.23 | $80.88 |
|
90791
Psychiatric diagnostic evaluation
|
29 | 29 | $421.00 | $129.94 |
Medical Specialties & State Licenses
CMS Verified: 2025-10-23NUCC 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.
Additional State Medicaid & Healthcare Payer Identifiers
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Nurse Practitioner
Master of Science in Nursing, Advanced Registered Nurse Practitioner, Family Nurse Practitioner (Certified)
Nurse Practitioner - Family
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 141 CHESAPEAKE LN, CLARKSVILLE, TN 370405241 (Tel: 6154459088)
Registered at 3393 LAKE BROOK BLVD, KNOXVILLE, TN 379093708 (Tel: 6154459088)
Registered at 816 E OLDHAM AVE, KNOXVILLE, TN 379175567 (Tel: 8655239163)
Psychologist (License #0000001231 in TN)
Registered at 71 MEDICAL GROUP, 527 GOTT ROAD VANCE AFB, ENID, OK 737055105 (Tel: 5802137419)
Registered at 71 MEDICAL GROUP, 527 GOTT ROAD VANCE AFB, ENID, OK 737055105 (Tel: 5802137419)
NPI status registered as active in NPPES database
Registered at 119 BOONE RIDGE DR, SUITE 201, JOHNSON CITY, TN 376154998 (Tel: 4232821480)
Registered at 119 BOONE RIDGE DR, SUITE 201, JOHNSON CITY, TN 376154998 (Tel: 4232821480)
Recorded as WILLIAM BLACKERBY, PH.D.
Clinical Neuropsychologist (License #P1231 in TN)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
Sign in to leave a review for Dr. William Blackerby
Only verified registered users can submit ratings, post feedback, and upload facility photos.
NPI Administrative Meta
Mailing Address
3393 Lake Brook Blvd
Knoxville, TN 379093708
Phone: 6154459088
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.