Doctor profile · Federal record

Dr. Ronald Ridder, PHD

Clinical Psychologist · Clinical Psychologist · Cedar Rapids, IA

  • NPI 1861463440
  • 20 yrs on file
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
701 10Th St Se
Cedar Rapids, IA 524031251
(319) 369-4777
fax (319) 369-4694

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
December 15, 2015
Specialty taxonomy
103TC0700X — NUCC code
State licenses (2)
Iowa #080046 · Nebraska #PHD338
Medicaid (2)
NE #10025567800 · NE #10025845100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861463440. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
454
Distinct HCPCS
6
Medicare allowed
$26,534
HCPCS Description Services Patients Avg allowed
96137 Administration of psychological or neuropsychological test, each additional 30 minutes 249 41 $37
96116 Exam of neurobehavioral status, first hour 48 48 $89
96121 Exam of neurobehavioral status, each additional hour 42 42 $74
96132 Evaluation of neuropsychological test, first hour 41 41 $125
96136 Administration of psychological or neuropsychological test, first 30 minutes 41 41 $40
96133 Evaluation of neuropsychological test, each additional hour 33 33 $96

In context: peer comparison

Among 2 peers in Cedar Rapids Clinical Psychologist, average services per provider: 74. This provider delivers 6.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Ronald Ridder's medical specialty?
Dr. Ronald Ridder practices Clinical Psychologist in Cedar Rapids, IA.
Where does Dr. Ronald Ridder practice?
Dr. Ronald Ridder practices at 701 10Th St Se, Cedar Rapids, IA 524031251. Office phone: 3193694777.
What is Dr. Ronald Ridder's NPI?
Dr. Ronald Ridder's National Provider Identifier (NPI) is 1861463440, issued by NPPES.
What procedures does Dr. Ronald Ridder commonly perform?
Top Medicare-reported procedures in 2023: Administration of psychological or neuropsychological test (HCPCS 96137); Exam of neurobehavioral status, first hour (HCPCS 96116); Exam of neurobehavioral status, each additional hour (HCPCS 96121). Source: CMS Medicare Physician & Other Practitioners file.