IndividualActive
Ervin Hamilton, L.L.P.
NPI 1407022528 · Psychologist · Springfield, MI
Provider details
- NPI number
- 1407022528
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- L.L.P.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 6301013743 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(92/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
2775 W Dickman Rd
Springfield, MI 49037-4895
Phone: (269) 883-6560
Fax: (269) 883-6891
Street-level locationGet directions
Mailing address
49081 Ye Olde Woods
Mattawan, MI 49071-9702
Additional practice locations (1)
- 49081 Ye Olde WoodsMattawan, MI 49071-9702Phone: (269) 668-7236
Registry dates
- Enumerated
- 2008-05-08
- Last updated
- 2025-04-10
- Certified
- 2025-04-10
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.