Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Dr. John Nicholas Graub, PSYD

Individual provider Clinical Neuropsychologist · NPI 1669021986

Dr. John Nicholas Graub, PSYD is a Clinical Psychologist in Algonquin, Illinois. Qualified in 2022, 4 years ago. Practices with Thomson Memory Center LLC, a 13-clinician group, works from 8 locations, accepts Medicare assignment and offers telehealth.

Years since qualifying
4
In the registry since
2019
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

See every abbreviation used in this directory →

Practice location Address checks out

1451 Merchant Dr
Algonquin, IL 60102-5917
Phone: (847) 469-7537
Fax: (847) 469-7540
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (7)

  • 1531 S Grove Ave Unit 105, Barrington, IL 60010-5250 — (847) 469-7537
  • 2551 N Clark St Ste 200, Chicago, IL 60614-1798 — (847) 469-7537
  • 636 Church St Ste 419, Evanston, IL 60201-4580 — (847) 469-7537
  • 2300 N Barrington Rd Ste 105, Hoffman Estates, IL 60169-2033 — (847) 469-7537
  • 3701 Commercial Ave Ste 9, Northbrook, IL 60062-1830 — (847) 469-7537
  • 17w662 Butterfield Rd Ste 302, Oakbrook Terrace, IL 60181-4006 — (847) 469-7537
  • 2604 Dempster St Ste 407b, Park Ridge, IL 60068-8428 — (847) 469-7537

Specialties & licences

Clinical Neuropsychologist (primary) Taxonomy 103G00000X

Record details

NPI number1669021986
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorNo
NPI enumeratedSeptember 9, 2019
Last updated in NPPESSeptember 21, 2026
Certification dateSeptember 21, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Thomson Memory Center Llc — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Colleagues at Thomson Memory Center LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice.

Other providers in Algonquin