Search icon

JONATHAN A. KOST, M.D., LLC

Company Details

Entity Name: JONATHAN A. KOST, M.D., LLC
Jurisdiction: Connecticut
Legal type: LLC
Citizenship: Domestic
Status: Active
Sub status: Annual report due
Date Formed: 23 Jul 1998 (Companies founded in July 1998)
Business ALEI: 0598357
Annual report due: 31 Mar 2025
NAICS code: 621111 - Offices of Physicians (except Mental Health Specialists)
Business address: HARTFORD HOSP. PAIN TREATMENT CENTER 65 MEMORIAL RD SUITE #435, WEST HARTFORD, CT, 06107, United States
Mailing address: 9 LANGLEY PARK, FARMINGTON, CT, United States, 06032
ZIP code: 06107 (Companies in Hartford, 06107)
County: Hartford
Place of Formation: CONNECTICUT
E-Mail: dorrikost@gmail.com

form 5500

Plan Name Plan Year EIN/PN Received Sponsor Total number of participants
JONATHAN A. KOST, M.D., LLC 401(K) PROFIT SHARING PLAN 2023 061500252 2024-04-30 JONATHAN A. KOST, M.D., LLC 44
File View Page
Three-digit plan number (PN) 001
Effective date of plan 2003-01-01
Business code 621111
Sponsor’s telephone number 8606962859
Plan sponsor’s address 9 LANGLEY PARK, FARMINGTON, CT, 06032

Signature of

Role Plan administrator
Date 2024-04-30
Name of individual signing JONATHAN KOST
Valid signature Filed with authorized/valid electronic signature
JONATHAN A. KOST, M.D., LLC 401(K) PROFIT SHARING PLAN 2022 061500252 2023-06-15 JONATHAN A. KOST, M.D., LLC 50
File View Page
Three-digit plan number (PN) 001
Effective date of plan 2003-01-01
Business code 621111
Sponsor’s telephone number 8606962859
Plan sponsor’s address 9 LANGLEY PARK, FARMINGTON, CT, 06032

Signature of

Role Plan administrator
Date 2023-06-15
Name of individual signing JONATHAN KOST
Valid signature Filed with authorized/valid electronic signature
JONATHAN A. KOST, M.D., LLC 401(K) PROFIT SHARING PLAN 2021 061500252 2022-05-12 JONATHAN A. KOST, M.D., LLC 44
File View Page
Three-digit plan number (PN) 001
Effective date of plan 2003-01-01
Business code 621111
Sponsor’s telephone number 8606962859
Plan sponsor’s address 9 LANGLEY PARK, FARMINGTON, CT, 06032

Signature of

Role Plan administrator
Date 2022-05-12
Name of individual signing DR. JONATHAN KOST
Valid signature Filed with authorized/valid electronic signature
Role Employer/plan sponsor
Date 2022-05-12
Name of individual signing JONATHAN A KOST
Valid signature Filed with authorized/valid electronic signature
JONATHAN A. KOST, M.D., LLC 401(K) PROFIT SHARING PLAN 2020 061500252 2021-04-05 JONATHAN A. KOST, M.D., LLC 44
File View Page
Three-digit plan number (PN) 001
Effective date of plan 2003-01-01
Business code 621111
Sponsor’s telephone number 8606962859
Plan sponsor’s address 9 LANGLEY PARK, FARMINGTON, CT, 06032

Signature of

Role Plan administrator
Date 2021-04-05
Name of individual signing DR. JONATHAN KOST
Valid signature Filed with authorized/valid electronic signature
Role Employer/plan sponsor
Date 2021-04-05
Name of individual signing JONATHAN A KOST
Valid signature Filed with authorized/valid electronic signature
JONATHAN A. KOST, M.D., LLC 401(K) PROFIT SHARING PLAN 2019 061500252 2020-05-20 JONATHAN A. KOST, M.D., LLC 37
File View Page
Three-digit plan number (PN) 001
Effective date of plan 2003-01-01
Business code 621111
Sponsor’s telephone number 8606962859
Plan sponsor’s address 9 LANGLEY PARK, FARMINGTON, CT, 06032

Signature of

Role Plan administrator
Date 2020-05-20
Name of individual signing DR. JONATHAN KOST
Valid signature Filed with authorized/valid electronic signature
Role Employer/plan sponsor
Date 2020-05-20
Name of individual signing JONATHAN A KOST
Valid signature Filed with authorized/valid electronic signature
JONATHAN A. KOST, M.D., LLC 401(K) PROFIT SHARING PLAN 2018 061500252 2019-05-07 JONATHAN A. KOST, M.D., LLC 35
File View Page
Three-digit plan number (PN) 001
Effective date of plan 2003-01-01
Business code 621111
Sponsor’s telephone number 8606962859
Plan sponsor’s address 9 LANGLEY PARK, FARMINGTON, CT, 06032

Signature of

Role Plan administrator
Date 2019-05-07
Name of individual signing DR. JONATHAN KOST
Valid signature Filed with authorized/valid electronic signature
Role Employer/plan sponsor
Date 2019-05-07
Name of individual signing JONATHAN A KOST
Valid signature Filed with authorized/valid electronic signature
JONATHAN A. KOST, M.D., LLC 401(K) PROFIT SHARING PLAN 2017 061500252 2018-05-16 JONATHAN A. KOST, M.D., LLC 30
File View Page
Three-digit plan number (PN) 001
Effective date of plan 2003-01-01
Business code 621111
Sponsor’s telephone number 8606962859
Plan sponsor’s address 9 LANGLEY PARK, FARMINGTON, CT, 06032

Signature of

Role Plan administrator
Date 2018-05-16
Name of individual signing DR. JONATHAN KOST
Valid signature Filed with authorized/valid electronic signature
Role Employer/plan sponsor
Date 2018-05-16
Name of individual signing JONATHAN KOST, MD
Valid signature Filed with authorized/valid electronic signature
JONATHAN A. KOST, M.D., LLC 401(K) PROFIT SHARING PLAN 2016 061500252 2017-04-28 JONATHAN A. KOST, M.D., LLC 30
File View Page
Three-digit plan number (PN) 001
Effective date of plan 2003-01-01
Business code 621111
Sponsor’s telephone number 8606962859
Plan sponsor’s address 9 LANGLEY PARK, FARMINGTON, CT, 06032

Signature of

Role Plan administrator
Date 2017-04-28
Name of individual signing DR. JONATHAN KOST
Valid signature Filed with authorized/valid electronic signature
JONATHAN A. KOST, M.D., LLC 401(K) PROFIT SHARING PLAN 2015 061500252 2016-07-29 JONATHAN A. KOST, M.D., LLC 28
File View Page
Three-digit plan number (PN) 001
Effective date of plan 2003-01-01
Business code 621111
Sponsor’s telephone number 8606962859
Plan sponsor’s address 9 LANGLEY PARK, FARMINGTON, CT, 06032

Signature of

Role Plan administrator
Date 2016-07-29
Name of individual signing DR. JONATHAN KOST
Valid signature Filed with authorized/valid electronic signature
Role Employer/plan sponsor
Date 2016-07-29
Name of individual signing JONATHAN A KOST
Valid signature Filed with authorized/valid electronic signature
JONATHAN A. KOST, M.D., LLC 401(K) PROFIT SHARING PLAN 2014 061500252 2015-07-21 JONATHAN A. KOST, M.D., LLC 26
File View Page
Three-digit plan number (PN) 001
Effective date of plan 2003-01-01
Business code 621111
Sponsor’s telephone number 8606962859
Plan sponsor’s address 9 LANGLEY PARK, FARMINGTON, CT, 06032

Signature of

Role Plan administrator
Date 2015-07-21
Name of individual signing DR. JONATHAN KOST
Valid signature Filed with authorized/valid electronic signature

Agent

Name Role Business address Mailing address Phone E-Mail Residence address
JONATHAN A. KOST M.D. Agent 65 MEMORIAL DRIVE, #435, WEST HARTFORD, CT, 06107, United States 9 LANGLEY PARK, FARMINGTON, CT, 06032, United States +1 860-604-8464 dpkjak@comcast.net 9 LANGLEY PARK, FARMINGTON, CT, 06032, United States

Officer

Name Role Business address Residence address
JONATHAN A. KOST Officer 65 MEMORIAL RD, W. HARTFORD, CT, 06032, United States 9 LANGLEY PARK, FARMINGTON, CT, 06032, United States

Filing

Filing number Filing date Effective date Filing category Filing type Report year
BF-0012172329 2024-02-13 No data Annual Report Annual Report No data
BF-0011147451 2023-01-27 No data Annual Report Annual Report No data
BF-0010205269 2022-03-05 No data Annual Report Annual Report 2022
0007123104 2021-02-04 No data Annual Report Annual Report 2021
0006803545 2020-03-02 No data Annual Report Annual Report 2020
0006447383 2019-03-11 No data Annual Report Annual Report 2019
0006022273 2018-01-22 No data Annual Report Annual Report 2018
0005884241 2017-07-10 No data Annual Report Annual Report 2017
0005613087 2016-07-26 No data Annual Report Annual Report 2016
0005524044 2016-03-29 No data Annual Report Annual Report 2015

Date of last update: 11 Nov 2024

Sources: Connecticut's Official State Website