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TIMOTHY S WOLLNER D.O.
NPI 1427088061
Family Medicine in Evergreen Park, IL

Active since July 03, 2006PECOS Enrolled
2850 W 95TH ST, SUITE 101, EVERGREEN PARK, IL 60805(708) 425-9550(708) 229-6084 Get Directions Write a Review

NPPES record last updated: January 21, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Timothy S Wollner D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TIMOTHY S WOLLNER D.O. (NPI 1427088061) is an individual family medicine provider in Evergreen Park, Illinois, licensed in Illinois (036073267) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427088061
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameTIMOTHY S WOLLNERCredential: D.O.
Location Address2850 W 95TH ST, SUITE 101Evergreen Park, IL 60805-2735
Mailing Address2850 W 95th St, Suite 101Evergreen Park, IL 60805-2735 · (708) 425-9550 · Fax (708) 229-6084
Phone(708) 425-9550
Fax(708) 229-6084
Sole ProprietorNo
Enumeration DateJuly 3, 2006
Last NPPES UpdateJanuary 21, 2016
✔ NPI 1427088061 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in IL · 036073267
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
2850 W 95TH ST, Evergreen Park, IL 60805
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Other Identifiers 4

Other080055203IL · Railroad Medicare
Medicare UPINC37720
Medicare PIN729903018IL
Medicaid036073267IL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Timothy S Wollner D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Timothy Wollner reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Little Company Of Mary Affiliated Services Inc
0.1 mi
Internal Medicine
2800 W 95TH ST
Evergreen Park, IL 60805
  • Reassigned Medicare billing, Illinois enrollment
  • 67 clinicians in this Medicare group
NPI 1588617260 (708) 229-5171
Rush University Medical Center
10 mi
Internal Medicine
1411 S MICHIGAN AVE
Chicago, IL 60605
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Rush University Medical Group
  • 2,169 clinicians in this Medicare group
NPI 1689165540 (312) 563-0654

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60805 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. DIANE L O'CONNOR RNFA
Registered Nurse (Registered Nurse First Assistant)
2850 W 95TH ST
EVERGREEN PARK, IL 60805
Cook County (708) 952-1030
STANLEY A POLIT MD, SC
Internal Medicine (Gastroenterology)
2850 W 95TH ST, SUITE 11
EVERGREEN PARK, IL 60805
Cook County (708) 424-9044
MAHAFZAH MEDICAL CENTER
Internal Medicine (Hematology & Oncology)
2850 W 95TH ST, 203
EVERGREEN PARK, IL 60805
Cook County (708) 422-1222
DOLORES DIXON-GREVIOUS MD
Internal Medicine
2850 W 95TH ST, SUITE 301
EVERGREEN PARK, IL 60805
Cook County (708) 389-2200
DR. BASEL I AL-ASWAD MD
Orthopaedic Surgery
2850 W 95TH ST, SUITE 406
EVERGREEN PARK, IL 60805
Cook County (708) 499-4844
RAJNEESH SALWAN MD SC
Internal Medicine
2850 W 95TH ST, 304
EVERGREEN PARK, IL 60805
Cook County (708) 636-2770
AHK SURGICAL S.C.
Surgery
2850 W 95TH ST
EVERGREEN PARK, IL 60805
Cook County (708) 636-4116
CYNTHIA D MORRIS APRN, CNP
Nurse Practitioner (Family)
2850 W 95TH ST
EVERGREEN PARK, IL 60805
Cook County (708) 229-5065

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Timothy Wollner's NPI number?

The NPI number for Timothy Wollner is 1427088061. It was assigned to this individual provider in the NPPES registry on July 3, 2006.

Where is Timothy Wollner located?

Timothy Wollner practices at 2850 W 95th St Suite 101, Evergreen Park, IL 60805. The listed phone number is (708) 425-9550.

What is Timothy Wollner's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Timothy Wollner enrolled in Medicare?

Yes. Timothy Wollner is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Timothy Wollner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Wollner reassigns Medicare benefits to 2 organizations: Little Company Of Mary Affiliated Services Inc (Evergreen Park, IL) and Rush University Medical Center (Chicago, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Timothy Wollner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Timothy Wollner was last updated on January 21, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.