IndividualActive
William Stewart, PHD
NPI 1568406023 · Psychologist · Madison, WI
William Stewart, PHD is a Psychologist provider in Madison, WI (NPI 1568406023).
Provider details
- NPI number
- 1568406023
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 1718-057 (WI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(95/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
1313 Fish Hatchery Rd
Madison, WI 53715-1911
Phone: (608) 252-8000
Fax: (608) 283-7193
Street-level locationGet directions
Mailing address
1313 Fish Hatchery Rd
Madison, WI 53715-1911
Additional practice locations (1)
- 1313 Fish Hatchery RdDean Medical CenterMadison, WI 53715-1911Phone: (608) 252-8000Fax: (608) 252-8245
Registry dates
- Enumerated
- 2006-06-15
- Last updated
- 2020-12-12
- Certified
- 2020-12-12
Frequently asked questions
- What is William Stewart's NPI number?
- William Stewart's National Provider Identifier (NPI) is 1568406023, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Stewart's specialty?
- William Stewart is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is William Stewart located?
- William Stewart's practice location on file with NPPES is 1313 Fish Hatchery Rd, Madison, WI 53715-1911.
- What is William Stewart's phone number?
- The practice phone number listed in the NPPES registry for William Stewart is (608) 252-8000.
- Is William Stewart's NPI active?
- Yes — William Stewart's NPI (1568406023) is active in the NPPES registry as of the last update on 2020-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.