Wiliam Martin, PSY.D.
NPI 1427274273 · Clinical Psychologist · Lisle, IL
Wiliam Martin, PSY.D. is a Clinical Psychologist provider in Lisle, IL (NPI 1427274273).
Provider details
- NPI number
- 1427274273
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 614 (LA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
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
- 2007-04-18
- Last updated
- 2021-12-15
- Certified
- 2021-12-15
Frequently asked questions
- What is Wiliam Martin's NPI number?
- Wiliam Martin's National Provider Identifier (NPI) is 1427274273, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wiliam Martin's specialty?
- Wiliam Martin is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Wiliam Martin located?
- Wiliam Martin's practice location on file with NPPES is 4300 Commerce Ct, Lisle, IL 60532-3698.
- What is Wiliam Martin's phone number?
- The practice phone number listed in the NPPES registry for Wiliam Martin is (630) 393-9800.
- Is Wiliam Martin's NPI active?
- Yes — Wiliam Martin's NPI (1427274273) is active in the NPPES registry as of the last update on 2021-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.