Ronald Ridder, PHD
NPI 1861463440 · Clinical Psychologist · Cedar Rapids, IA
Ronald Ridder, PHD is a Clinical Psychologist provider in Cedar Rapids, IA (NPI 1861463440).
Provider details
- NPI number
- 1861463440
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- PHD338 (NE)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
162 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Administration of Psychological Or Neuropsychological Test, Each Additional 30 Minutes96137 | 56 | $35 |
| Administration of Psychological Or Neuropsychological Test, Each Additional 30 Minutes96137 | 37 | $17 |
| Evaluation of Neuropsychological Test, First Hour96132 | 18 | $99 |
| Administration of Psychological Or Neuropsychological Test, First 30 Minutes96136 | 17 | $22 |
| Exam of Neurobehavioral Status, First Hour96116 | 12 | $86 |
| Exam of Neurobehavioral Status, Each Additional Hour96121 | 11 | $71 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-31
- Last updated
- 2015-12-15
Frequently asked questions
- What is Ronald Ridder's NPI number?
- Ronald Ridder's National Provider Identifier (NPI) is 1861463440, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Ridder's specialty?
- Ronald Ridder is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Ronald Ridder located?
- Ronald Ridder's practice location on file with NPPES is 701 10th St Se, Cedar Rapids, IA 52403-1251.
- What is Ronald Ridder's phone number?
- The practice phone number listed in the NPPES registry for Ronald Ridder is (319) 369-4777.
- Is Ronald Ridder's NPI active?
- Yes — Ronald Ridder's NPI (1861463440) is active in the NPPES registry as of the last update on 2015-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.