Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1689771412 Individual Practitioner Male Practitioner

Dr. Brandon L Davis , PhD

Psychologist • Grinnell, IA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Brandon Davis, PhD is a certified Psychologist practicing in Grinnell, IA. With approximately 22 years of clinical experience since completing medical education in 2004, Dr. Davis delivers high-quality medical care to the local community at 217 4TH AVE W.

Dr. Davis is affiliated with Davis Psychological Services, Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include administration of psychological or neuropsychological test, psychiatric diagnostic evaluation, administration of psychological or neuropsychological test, first. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

217 4th Ave W

Grinnell, IA 501121895

Telephone 6412360632
Fax 8888902713
Associated Practice Facility / Clinic
🏢 Grinnell Family Care Pc Facility NPI 1972617611

Medicare Profile & Education

Medical School

Other

Graduation Year

2004

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist in Grinnell, IA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
22 Yrs +3.0 yrs vs City Avg
City Avg: 19.0 Yrs
State Avg: 24.4 Yrs
Regional Practice Density
3 Specialists

Practicing in Grinnell, IA (272 Statewide)

Telehealth Adoption Rate
33.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
57.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Davis (22 Years) 22 Yrs
Grinnell Specialty Average (19.0 Years) 19.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
96137 Administration of psychological or neuropsychological test, each additional 30 minutes
261 230 $200.00 $32.35
90791 Psychiatric diagnostic evaluation
258 258 $250.00 $151.76
96136 Administration of psychological or neuropsychological test, first 30 minutes
258 258 $200.00 $35.87
96130 Evaluation of psychological test, first hour
258 258 $250.00 $106.47
90837 Psychotherapy, 60 minutes
121 25 $175.00 $134.15

Medical Specialties & State Licenses

CMS Verified: 2026-03-18
Psychologist Primary Specialty

NUCC Taxonomy Code: 103T00000X

State License IA 00997

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.

Hospital & Practice Group Affiliations

Davis Psychological Services, Pc

217 4th Ave W, Grinnell, IA 501121895

Phone: 6412360632

Davis Psychological Services, Pc

821 5th Ave, Grinnell, IA 501121653

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

7 Associated Practitioners
Revay Stewart , LMHC

Counselor - Mental Health

NPI 1003744038

Licensed Mental Health Counselor

Savannah Wheeler , MS

Counselor - Mental Health

NPI 1174246144

Master of Science

Katie Casper , MS

Counselor - Mental Health

NPI 1174246151

Master of Science

Chelsea Sittig , TLMHC

Counselor - Mental Health

NPI 1306569371
Austin Yoakum , TLMHC

Counselor - Mental Health

NPI 1427868520
NPI 1881561900

Doctor of Psychology (Psy.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
📍
Updated Practice Location March 18, 2026

Registered at 217 4TH AVE W, GRINNELL, IA 501121895 (Tel: 6412360632)

📍
Updated Business Mailing Address March 18, 2026

Registered at 217 4TH AVE W, GRINNELL, IA 501121895 (Tel: 6412360632)

NPI Profile Active October 26, 2010

NPI status registered as active in NPPES database

📍
Updated Practice Location October 26, 2010

Registered at 200 4TH AVE WEST, GRINNELL, IA 50112 (Tel: 6412366137)

📍
Updated Business Mailing Address October 26, 2010

Registered at 200 4TH AVE WEST, GRINNELL, IA 50112 (Tel: 6412366137)

👤
Provider Name / Credentials Updated October 26, 2010

Recorded as BRANDON DAVIS, PHD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 26, 2010

Psychologist (License #00997 in IA)

🟢
Initial NPI Registration & Enumeration September 20, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1689771412
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 20, 2006
Last Update: March 18, 2026
Sole Proprietor: No

Mailing Address

217 4th Ave W

Grinnell, IA 501121895

Phone: 6412360632

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

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.