Timothy Stewart, PH.D,
NPI 1639398795 · Addiction (Substance Use Disorder) Psychologist · Plainwell, MI
Timothy Stewart, PH.D, is a Addiction (Substance Use Disorder) Psychologist provider in Plainwell, MI (NPI 1639398795).
Provider details
- NPI number
- 1639398795
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D,
- Sex
- Male
- Sole proprietor
- Yes
- License
- 6401003604 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
- Cognitive & Behavioral Psychologist103TB0200X
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
- 2007-04-25
- Last updated
- 2025-09-11
Frequently asked questions
- What is Timothy Stewart's NPI number?
- Timothy Stewart's National Provider Identifier (NPI) is 1639398795, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Stewart's specialty?
- Timothy Stewart is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Psychologist (Behavioral Health & Social Service Providers).
- Where is Timothy Stewart located?
- Timothy Stewart's practice location on file with NPPES is 112 E Chart St, Plainwell, MI 49080.
- What is Timothy Stewart's phone number?
- The practice phone number listed in the NPPES registry for Timothy Stewart is (269) 685-6363.
- Is Timothy Stewart's NPI active?
- Yes — Timothy Stewart's NPI (1639398795) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.