IndividualActive
William Stephan, RBT
NPI 1578439964 · Behavior Technician · Grand Haven, MI
William Stephan, RBT is a Behavior Technician provider in Grand Haven, MI (NPI 1578439964).
Provider details
- NPI number
- 1578439964
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Credential
- RBT
- Sex
- Male
- Sole proprietor
- No
- License
- RBT25-473434 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
16925 Ability Way
Grand Haven, MI 49417-9325
Phone: (616) 935-7606
Fax: (616) 935-7607
Approximate (ZIP-level) locationGet directions
Mailing address
16925 Ability Way
Grand Haven, MI 49417-9325
Registry dates
- Enumerated
- 2025-10-14
- Last updated
- 2025-11-13
- Certified
- 2025-11-13
Frequently asked questions
- What is William Stephan's NPI number?
- William Stephan's National Provider Identifier (NPI) is 1578439964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Stephan's specialty?
- William Stephan is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is William Stephan located?
- William Stephan's practice location on file with NPPES is 16925 Ability Way, Grand Haven, MI 49417-9325.
- What is William Stephan's phone number?
- The practice phone number listed in the NPPES registry for William Stephan is (616) 935-7606.
- Is William Stephan's NPI active?
- Yes — William Stephan's NPI (1578439964) is active in the NPPES registry as of the last update on 2025-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.