IndividualActiveAccepts Medicare

Thomas Sak, PSYD

NPI 1073090239 · Clinical Neuropsychologist · Algonquin, IL

Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Provider details

NPI number: 1073090239
Entity type: Individual
Primary specialty: Clinical NeuropsychologistBehavioral Health & Social Service Providers
Credential: PSYD
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Clinical NeuropsychologistPrimary103G00000X
Behavioral Health & Social Service Providers
Psychologist103T00000X
Behavioral Health & Social Service Providers

Profile Score

Established profile(70/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
7 yrs in NPPES registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
8 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

1451 Merchant Dr

Algonquin, IL 60102-5917

Phone: (847) 469-7537

Fax: (847) 469-7540

Street-level locationGet directions

More IL providers

Mailing address