William Irving, PHD
NPI 1477669778 · Psychologist · Saint Clair Shores, MI
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Irving, PHD is a Psychologist provider in Saint Clair Shores, MI (NPI 1477669778).
Provider details
- NPI number
- 1477669778
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- WI002945 (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
- 2006-08-21
- Last updated
- 2012-01-26
Frequently asked questions
- What is William Irving's NPI number?
- William Irving's National Provider Identifier (NPI) is 1477669778, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Irving's specialty?
- William Irving is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is William Irving located?
- William Irving's practice location on file with NPPES is 22811 Greater Mack Ave, Saint Clair Shores, MI 48080-2021.
- What is William Irving's phone number?
- The practice phone number listed in the NPPES registry for William Irving is (586) 443-4402.
- Does William Irving accept Medicare?
- William Irving is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Irving's NPI active?
- Yes — William Irving's NPI (1477669778) is active in the NPPES registry as of the last update on 2012-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.