JOHN NICHOLAS GRAUB (PSY.D.) – Clinical Neuropsychologist, NPI 1669021986
Clinical Neuropsychologist
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Profile Insights
NPPES metrics only — not quality of care.
1,600 CLINICAL PSYCHOLOGIST in IL
Provider Addresses for JOHN NICHOLAS GRAUB (PSY.D.)
2300 N Barrington Rd Ste 105
Hoffman Estates, IL 601692033
Phone: (847) 469-7537
Fax: (847) 469-7540
Type: Location
1531 S Grove Ave Unit 105
Barrington, IL 600105250
Phone: (847) 469-7537
Fax: (847) 469-7540
Type: Location
420 Lake Cook Rd Ste 112
Deerfield, IL 600154914
Phone: (847) 469-7537
Fax: (847) 469-7540
Type: Location
2551 N Clark St Ste 200
Chicago, IL 606141798
Phone: (847) 469-7537
Fax: (847) 469-7540
Type: Location
2604 Dempster St Ste 407B
Park Ridge, IL 600688428
Phone: (847) 469-7537
Fax: (847) 469-7540
Type: Location
17W662 Butterfield Rd Ste 302
Oakbrook Terrace, IL 601814006
Phone: (847) 469-7537
Fax: (847) 469-7540
Type: Location
1603 Orrington Ave Ste 600
Evanston, IL 602013860
Phone: (847) 469-7537
Fax: (847) 469-7540
Type: Location
West Carson Street, Harbor Gateway, Torrance, Los Angeles County, California, 90501, United States
TORRANCE, CA 905022004
Phone:
Type: Mailing
1451 MERCHANT DR
ALGONQUIN, IL 601025917
Phone: (847) 469-7537
Fax: (847) 469-7540
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
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Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2025-03-27
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20250327003054 | I | Clinical Psychologist | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 60169)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Psychologist | IL | |
| Clinical Psychologist | IL | |
| Clinical Psychologist | IL | |
| Clinical Psychologist | IL | |
| Clinical Psychologist | IL | |
| Clinical Psychologist | IL | |
| Clinical Psychologist | IL | |
| Clinical Social Worker | IL | |
| Clinical Psychologist | IN | |
| Clinical Psychologist | IL |
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