DR. DENNIS JOHN SIMON (PH.D.) – Clinical Psychologist, NPI 1104917640

DR. DENNIS JOHN SIMON (PH.D.) is a healthcare provider. based in La grange, Illinois. specializing in Clinical Psychologist. They hold the professional credentials PH.D.. The NPI Number for DR. DENNIS JOHN SIMON (PH.D.) is 1104917640

Main info

Male
Sole Proprietor
Name
DR. DENNIS JOHN SIMON (PH.D.)
NPI
1104917640
Phone
(708) 579-3858
Address
901 S WAIOLA AVE
Enumeration Date
28 September 2006
Last Update Date
8 July 2007
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience43
Completeness75
Years active:19State licenses:0Digital endpointsOther names

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Provider Addresses for DR. DENNIS JOHN SIMON (PH.D.)

  • 901, South Waiola Avenue, West End, La Grange, Lyons Township, Cook County, Illinois, 60525, United States

    LA GRANGE, IL 605252740

    Phone: (708) 579-3858

    Mailing address matches the actual address.

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

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Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

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No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 60525)

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Frequently asked questions

Can I verify DR. DENNIS JOHN SIMON (PH.D.) with an NPI only?
You can start verification with NPI 1104917640 for DR. DENNIS JOHN SIMON (PH.D.), then check state licensing separately.
Does CMS list DR. DENNIS JOHN SIMON (PH.D.) as active?
Yes — DR. DENNIS JOHN SIMON (PH.D.) is active in the NPI listing used on this page.
What is DR. DENNIS JOHN SIMON (PH.D.) best known for clinically?
Directory data describes DR. DENNIS JOHN SIMON (PH.D.) with Clinical Psychologist. Clinical services aligned with this taxonomy classification.
Where is DR. DENNIS JOHN SIMON (PH.D.) based?
DR. DENNIS JOHN SIMON (PH.D.) is tied to La Grange, Illinois in the data we show; additional addresses may exist on the full record.
Is the information about DR. DENNIS JOHN SIMON (PH.D.) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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