TIMOTHY J CAHILL (D.O.) – Internal Medicine Physician, NPI 1578569505

TIMOTHY J CAHILL (D.O.) is a healthcare provider. based in Des plaines, Illinois. specializing in Internal Medicine Physician. They hold the professional credentials D.O.. They hold a License No. 036067067 (IL). The NPI Number for TIMOTHY J CAHILL (D.O.) is 1578569505

Main info

Male
Name
TIMOTHY J CAHILL (D.O.)
NPI
1578569505
Phone
(847) 297-2240
Address
581 E GOLF RD
Enumeration Date
23 June 2005
Last Update Date
11 August 2008
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for TIMOTHY J CAHILL (D.O.)

  • East Golf Road, Des Plaines, Cook County, Illinois, 60025, United States

    DES PLAINES, IL 600162349

    Phone: (847) 297-2240

    Fax: (847) 297-7270

    Type: Mailing

  • 150, North River Road, Des Plaines, Cook County, Illinois, 60016, United States

    STE 210

    DES PLAINES, IL 600161272

    Phone: (847) 759-4060

    Fax: (847) 759-4066

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2008-07-22

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

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20080722000094IInternal MedicineILTBD

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.

Verify on CMS Revalidation Lookup Tool

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 60016)

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Reviews

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Frequently asked questions

How do payers reference TIMOTHY J CAHILL (D.O.)?
For TIMOTHY J CAHILL (D.O.), use NPI 1578569505 as the unique 10-digit identifier.
Is TIMOTHY J CAHILL (D.O.) shown as active in public data?
Registry records indicate TIMOTHY J CAHILL (D.O.) maintains an active NPI.
What expertise is attributed to TIMOTHY J CAHILL (D.O.)?
TIMOTHY J CAHILL (D.O.)'s specialty line reads Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Is TIMOTHY J CAHILL (D.O.) located near Des Plaines?
TIMOTHY J CAHILL (D.O.) currently maps to Des Plaines, Illinois in this extract.
Can I trust this NPI listing for TIMOTHY J CAHILL (D.O.)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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