William C Irving PHD PLLC
NPI 1265603716 · Clinical Child & Adolescent Psychologist · Saint Clair Shores, MI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William C Irving PHD PLLC is a Clinical Child & Adolescent Psychologist organization in Saint Clair Shores, MI (NPI 1265603716).
Provider details
- NPI number
- 1265603716
- Entity type
- Organization
- Primary specialty
- Clinical Child & Adolescent PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Judy I., Office Manager(586) 443-4402
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Adult Development & Aging Psychologist103TA0700X
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
18 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
- 2008-03-12
- Last updated
- 2012-01-26
Frequently asked questions
- What is William C Irving PHD PLLC's NPI number?
- William C Irving PHD PLLC's National Provider Identifier (NPI) is 1265603716, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William C Irving PHD PLLC?
- William C Irving PHD PLLC is classified in the NPPES registry as Clinical Child & Adolescent Psychologist (Behavioral Health & Social Service Providers).
- Where is William C Irving PHD PLLC located?
- William C Irving PHD PLLC's practice location on file with NPPES is 22811 Greater Mack Ave, Saint Clair Shores, MI 48080-2021.
- What is William C Irving PHD PLLC's phone number?
- The practice phone number listed in the NPPES registry for William C Irving PHD PLLC is (586) 443-4402.
- Does William C Irving PHD PLLC accept Medicare?
- William C Irving PHD PLLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for William C Irving PHD PLLC?
- The authorized official listed on William C Irving PHD PLLC's NPPES record is Judy I., Office Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William C Irving PHD PLLC's NPI active?
- Yes — William C Irving PHD PLLC's NPI (1265603716) 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.