Search icon

OAK BROOK ALLERGISTS, S.C.

Company Details

Entity Name: OAK BROOK ALLERGISTS, S.C.
Jurisdiction: Illinois
Entity Type: Corporation - Domestic BCA
Status: Goodstanding
Date Formed: 03 Mar 1969
Company Number: CORP_49462697
File Number: 49462697
Type of Business: Incorporated under the Medical Corporation Act
Place of Formation: ILLINOIS

form 5500

Plan Name Plan Year EIN/PN Received Sponsor Total number of participants
OAK BROOK ALLERGISTS, S.C. EMPLOYEES' RETIREMENT PLAN & TRUST 2023 362667448 2024-06-24 OAK BROOK ALLERGISTS, S.C. 24
File View Page
Three-digit plan number (PN) 001
Effective date of plan 1969-12-31
Business code 621111
Sponsor’s telephone number 6305740460
Plan sponsor’s address 360 W. BUTTERFIELD ROAD, SUITE 140, ELMHURST, IL, 60126

Signature of

Role Plan administrator
Date 2024-06-24
Name of individual signing CORRINA ROEHRIG
Valid signature Filed with authorized/valid electronic signature
OAK BROOK ALLERGISTS, S.C. EMPLOYEES' RETIREMENT PLAN & TRUST 2022 362667448 2023-07-18 OAK BROOK ALLERGISTS, S.C. 25
File View Page
Three-digit plan number (PN) 001
Effective date of plan 1969-12-31
Business code 621111
Sponsor’s telephone number 6305740460
Plan sponsor’s address 360 W. BUTTERFIELD ROAD, SUITE 140, ELMHURST, IL, 60126

Signature of

Role Plan administrator
Date 2023-07-18
Name of individual signing CORRINA ROEHRIG
Valid signature Filed with authorized/valid electronic signature
OAK BROOK ALLERGISTS, S.C. EMPLOYEES' RETIREMENT PLAN & TRUST 2021 362667448 2022-07-18 OAK BROOK ALLERGISTS, S.C. 22
File View Page
Three-digit plan number (PN) 001
Effective date of plan 1969-12-31
Business code 621111
Sponsor’s telephone number 6305740460
Plan sponsor’s address 360 W. BUTTERFIELD ROAD, SUITE 140, ELMHURST, IL, 60126

Signature of

Role Plan administrator
Date 2022-07-18
Name of individual signing CORRINA ROEHRIG
Valid signature Filed with authorized/valid electronic signature
OAK BROOK ALLERGISTS, S.C. EMPLOYEES' RETIREMENT PLAN & TRUST 2020 362667448 2021-07-27 OAK BROOK ALLERGISTS, S.C. 22
File View Page
Three-digit plan number (PN) 001
Effective date of plan 1969-12-31
Business code 621111
Sponsor’s telephone number 6305740460
Plan sponsor’s address 360 W. BUTTERFIELD ROAD, SUITE 140, ELMHURST, IL, 60126

Signature of

Role Plan administrator
Date 2021-07-27
Name of individual signing CORRINA ROEHRIG
Valid signature Filed with authorized/valid electronic signature
OAK BROOK ALLERGISTS, S.C. EMPLOYEES' RETIREMENT PLAN & TRUST 2019 362667448 2020-07-15 OAK BROOK ALLERGISTS, S.C. 24
File View Page
Three-digit plan number (PN) 001
Effective date of plan 1969-12-31
Business code 621111
Sponsor’s telephone number 6305740460
Plan sponsor’s address 360 W. BUTTERFIELD ROAD, SUITE 140, ELMHURST, IL, 60126

Signature of

Role Plan administrator
Date 2020-07-15
Name of individual signing CORRINA ROEHRIG
Valid signature Filed with authorized/valid electronic signature
OAK BROOK ALLERGISTS, S.C. EMPLOYEES' RETIREMENT PLAN & TRUST 2018 362667448 2019-07-17 OAK BROOK ALLERGISTS, S.C. 22
File View Page
Three-digit plan number (PN) 001
Effective date of plan 1969-12-31
Business code 621111
Sponsor’s telephone number 6305740460
Plan sponsor’s address 360 W. BUTTERFIELD ROAD, SUITE 140, ELMHURST, IL, 60126

Signature of

Role Plan administrator
Date 2019-07-17
Name of individual signing CORRINA ROEHRIG
Valid signature Filed with authorized/valid electronic signature
OAK BROOK ALLERGISTS, S.C. EMPLOYEES' RETIREMENT PLAN & TRUST 2017 362667448 2018-07-13 OAK BROOK ALLERGISTS, S.C. 28
File View Page
Three-digit plan number (PN) 001
Effective date of plan 1969-12-31
Business code 621111
Sponsor’s telephone number 6305740460
Plan sponsor’s address 360 W. BUTTERFIELD ROAD, SUITE 140, ELMHURST, IL, 60126

Signature of

Role Plan administrator
Date 2018-07-13
Name of individual signing CORRINA ROEHRIG
Valid signature Filed with authorized/valid electronic signature
OAK BROOK ALLERGISTS, S.C. EMPLOYEES' RETIREMENT PLAN & TRUST 2016 362667448 2017-07-26 OAK BROOK ALLERGISTS, S.C. 30
File View Page
Three-digit plan number (PN) 001
Effective date of plan 1969-12-31
Business code 621111
Sponsor’s telephone number 6305740460
Plan sponsor’s address 120 OAK BROOK CENTER MALL, SUITE 424, OAK BROOK, IL, 605234728

Signature of

Role Plan administrator
Date 2017-07-26
Name of individual signing CORRINA ROEHRIG
Valid signature Filed with authorized/valid electronic signature
OAK BROOK ALLERGISTS, S.C. EMPLOYEES' RETIREMENT PLAN & TRUST 2015 362667448 2016-07-20 OAK BROOK ALLERGISTS, S.C. 28
File View Page
Three-digit plan number (PN) 001
Effective date of plan 1969-12-31
Business code 621111
Sponsor’s telephone number 6305740460
Plan sponsor’s address 120 OAK BROOK CENTER MALL, SUITE 424, OAK BROOK, IL, 605234728

Signature of

Role Plan administrator
Date 2016-07-20
Name of individual signing CORRINA ROEHRIG
Valid signature Filed with authorized/valid electronic signature
OAK BROOK ALLERGISTS, S.C. EMPLOYEES' RETIREMENT PLAN & TRUST 2014 362667448 2015-08-19 OAK BROOK ALLERGISTS, S.C. 30
File View Page
Three-digit plan number (PN) 001
Effective date of plan 1969-12-31
Business code 621111
Sponsor’s telephone number 6305740460
Plan sponsor’s address 120 OAK BROOK CENTER MALL, SUITE 424, OAK BROOK, IL, 605234728

Signature of

Role Plan administrator
Date 2015-08-19
Name of individual signing CORRINA ROEHRIG
Valid signature Filed with authorized/valid electronic signature

Agent

Name and Address Role Appointment Date
JAMES M MAINZER, 180 N LASALLE ST STE 3300, CHICAGO, 60601, COOK-NOT IN CITY OF CHICAGO Agent 2013-02-26

President

Name and Address Role
DAVID J KNYSAK MD 360 W BUTTERFIELD RD, STE 140 ELMHURST, IL President

Secretary

Name and Address Role
RAYMOND M PONGONIS JR MD Secretary

Historical Names

Name Change Date
J. D. CECE, M.D., H. E. LEICHENKO, M.D. AND G. O. ZEMAN, M.D., S.C. 1981-06-22

Shares

Class Series Voting Rights Authorized Shares Issued Shares Par Value
COMMON No data Voting Rights 1000 190000 No data

Date of last update: 16 Jan 2025

Sources: Illinois Office of the Secretary of State