Bruce Retterath, PH.D.
NPI 1568477842 · Psychologist · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bruce Retterath, PH.D. is a Psychologist provider in Grand Rapids, MI (NPI 1568477842).
Provider details
- NPI number
- 1568477842
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 6301009368 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-29
- Last updated
- 2007-07-09
Frequently asked questions
- What is Bruce Retterath's NPI number?
- Bruce Retterath's National Provider Identifier (NPI) is 1568477842, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bruce Retterath's specialty?
- Bruce Retterath is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Bruce Retterath located?
- Bruce Retterath's practice location on file with NPPES is 300 68th St Se, Grand Rapids, MI 49548-6927.
- What is Bruce Retterath's phone number?
- The practice phone number listed in the NPPES registry for Bruce Retterath is (616) 455-5000.
- Does Bruce Retterath accept Medicare?
- Bruce Retterath is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bruce Retterath's NPI active?
- Yes — Bruce Retterath's NPI (1568477842) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.