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Nonprofit · EIN 04-2694458

HEART RHYTHM SOCIETY INC

Tax-exempt · WASHINGTON, DC 20004

Financials

$19.3M$21.5M2022$20.8M$21.4M2023$23M$23M2024
Revenue Expenses · by fiscal year end
Financials of HEART RHYTHM SOCIETY INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
September 30, 2025990$23,043,846$22,986,906$56,940$16,905,416$5,494,118$11,411,298
September 30, 2024990$20,793,263$21,411,296-$618,033$15,690,899$5,222,413$10,468,486
September 30, 2023990$19,305,479$21,516,749-$2,211,270$14,695,578$5,523,898$9,171,680
Financial details: 990 for the year ended September 30, 2025

Revenue

Contributions, gifts and grants
$5,041,077
Program service revenue
$16,426,987
Investment income
$559,329
Royalties
$1,093,146
Net gain from sales of assets
$190,966
Net income from fundraising events
-$91,293
Other revenue
$1,016,453

Expenses

Grants and similar amounts paid
$244,000
Compensation of officers, directors and key employees
$2,022,673
Other salaries and wages
$5,578,186
Salaries, compensation and benefits (total)
$9,544,044
Professional fundraising fees
$0
Legal fees
$46,205
Accounting fees
$153,983
Occupancy
$123,224
Travel
$1,072,203
Depreciation
$169,260
Program services (functional)
$18,796,090
Management and general (functional)
$3,001,084
Fundraising (functional)
$1,189,732

Balance sheet and other

Total assets, start of year
$15,690,899
Total assets, end of year
$16,905,416
Total liabilities, end of year
$5,494,118
Net assets, end of year
$11,411,298
Land, buildings and equipment
$376,243
Publicly traded securities
$14,190,187
Net assets without donor restrictions
$9,159,245
Net assets with donor restrictions
$2,252,053
Gross unrelated business income
$45,000
Gross receipts
$24,416,456
Employees
56
Volunteers
354
Year formed
1980
State of legal domicile
MA

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended September 30, 2025, highest compensation first.

NameTitleHours / weekCompensationFrom related orgsOther / benefits
PATRICIA A BLAKECHIEF EXECUTIVE OFFICER
Officer
40$820,800$0$205,589
TIMOTHY GREGORYCHIEF GLOBAL & EDUCATION OFFICER
Key employee
40$322,331$0$84,091
KENNETH J DEMITHCHIEF EXPERIENCE OFFICER
Key employee
40$301,764$0$64,272
ERIC BOOTHCHIEF FINANCIAL OFFICER
Officer
39.8$303,910$156$54,754
PAMELA E MAGNANICHIEF DEVELOPMENT & INNOVATION OFFICER
Key employee
40$273,603$0$29,925
ANNE MARIE SMITHSR. VICE PRESIDENT, PRACTICE IMPROVEMENT
Highest-paid employee
40$239,257$0$21,978
KRISTOPHER J MURPHYASSOC. VP MEMBERSHIP, MKTG & COMMUNICATIONS
Highest-paid employee
39.8$216,554$112$38,675
LORI MONTELEONEASSOCIATE VICE PRESIDENT, HRS PUBLICATIONS
Highest-paid employee
40$190,581$0$46,600
GERMAINE A LUTMAN SCHAEFERASSOCIATE VP MEETINGS & EVENTS
Highest-paid employee
40$216,669$0$17,047
STEPHEN SYEVICE PRESIDENT, INFORMATION TECHNOLOGY
Highest-paid employee
40$205,270$0$23,783
SUSAN P ETHERIDGE MD FHRS CEPS-PMEMBER
Trustee or director
2.5$2,075$0$0
ELAINE Y WAN MD FHRSMEMBER
Trustee or director
2.5$2,000$0$0
KAMALA P TAMIRISA MD FHRSMEMBER
Trustee or director
2.5$2,000$0$0
SANA M AL-KHATIB MD MHS FHRSPRESIDENT - ELECT
Trustee or director, Officer
5$2,000$0$0
RAKESH GOPINATHANNAIR MBA MD FHRSMEMBER
Trustee or director
2.5$1,500$0$0
11 more people on this return
NameTitleHours / weekCompensation
CHRISTOPHER F LIU MD FHRSMEMBER
Trustee or director
2.5$0
DANIEL P MORIN MD MPH FHRSABSTRACT CHAIR
Trustee or director
2.5$0
DHANUNJAYA R LAKKIREDDY MBA MD FHVICE PRESIDENT/ PROGRAM CHAIR
Trustee or director, Officer
5$0
JAGMEET P SINGH MD PHD FHRSTREASURER/SECRETARY
Trustee or director, Officer
2.5$0
JUNAID AB ZAMAN MA MD PHD CCDSMEMBER
Trustee or director
2.5$0
KENNETH A ELLENBOGEN MD FHRSPAST PRESIDENT
Trustee or director, Officer
5$0
KRISTEN B CAMPBELL PHARMD FHRSMEMBER
Trustee or director
2.5$0
LUIGI DI BIASE MD PHD FHRSMEMBER
Trustee or director
2.5$0
MINA K CHUNG MD FHRSPRESIDENT
Trustee or director, Officer
11$0
NATALIA A TRAYANOVA PHD FHRSMEMBER
Trustee or director
2.5$0
PRASHANTHAN SANDERS MBBS PHD FHRSMEMBER
Trustee or director
2.5$0
990 for the year ended September 30, 2024: 35 people
NameTitleHours / weekCompensationFrom related orgsOther / benefits
PATRICIA A BLAKECHIEF EXECUTIVE OFFICER
Officer
40$854,969$0$195,401
TIMOTHY GREGORYCHIEF LEARNING OFFICER
Key employee
40$292,257$0$67,198
ERIC BOOTHCHIEF FINANCIAL OFFICER
Officer
39.9$279,018$429$49,352
KENNETH J DEMITHCHIEF EXPERIENCE OFFICER
Key employee
39$273,924$7,578$29,408
SIMINTHA ESSONCHIEF STRATEGY OFFICER THRU 10/27/23
Key employee
40$267,855$0$39,918
ANNE MARIE SMITHVICE PRESIDENT, ED PRACTICE IMPROVEMENT
Highest-paid employee
40$226,616$0$46,543
PAMELA E MAGNANICHIEF DEVELOPMENT & INNOVATION OFFICER
Key employee
40$231,821$0$25,421
GERMAINE A LUTMAN SCHAEFERASSOC. VP, MEETINGS & EVENTS
Highest-paid employee
40$205,091$0$35,480
KRISTOPHER J MURPHYASSOC. VP, MEMBERSHIP & MARKETING COMMUNICATIONS
Highest-paid employee
39.9$195,887$706$33,763
STEPHEN SYEASSOC. VP, DIGITAL PLATFORMS & DATA ARCHITECTURE
Highest-paid employee
40$181,607$0$27,190
LORI MONTELEONEASSOC. VP, PUBLICATIONS & SR. MANAGING EDITOR
Highest-paid employee
40$173,997$0$34,679
SANA M AL-KHATIB MD MHS FHRS CCDS2ND VICE PRESIDENT
Trustee or director, Officer
5$4,500$0$0
RAKESH GOPINATHANNAIR MA MD FHRSMEMBER
Trustee or director
2.5$1,500$0$0
SUSAN P ETHERIDGE MD FHRS CEPS-PMEMBER
Trustee or director
2.5$900$0$0
JODIE L HURWITZPRESIDENT
Trustee or director, Officer
11$0$0$0
ANDREW D KRAHN MD FHRSIMMEDIATE PAST PRESIDENT
Trustee or director, Officer
5$0$0$0
KENNETH A ELLENBOGEN MD FHRSPRESIDENT-ELECT
Trustee or director, Officer
5$0$0$0
MINA K CHUNG MD FHRSIST VICE PRESIDENT
Trustee or director, Officer
5$0$0$0
JOHN K TRIEDMAN MD FHRS CEPS-PSECRETARY/TREASURER
Trustee or director, Officer
2.5$0$0$0
JAGMEET P SINGH MD PHD FHRSMEMBER
Trustee or director
2.5$0$0$0
BRYNN E DECHERT-CROOKS APN FHRS CCDMEMBER
Trustee or director
2.5$0$0$0
JONATHAN P PICCINI SR MD MHS FHRSMEMBER
Trustee or director
2.5$0$0$0
SUNNY S PO MD PHD FHRSMEMBER
Trustee or director
2.5$0$0$0
LUIGI DI BIASE MD PHD FHRSMEMBER
Trustee or director
2.5$0$0$0
DANIEL P MORIN MD MPH FHRSMEMBER
Trustee or director
2.5$0$0$0
KRISTEN B CAMPBELL PHARMDMEMBER
Trustee or director
2.5$0$0$0
KAMALA P TAMIRISA MD FHRSMEMBER
Trustee or director
2.5$0$0$0
ELAINE Y WAN MD FHRSMEMBER
Trustee or director
2.5$0$0$0
PATRICK BOYLE BS PHD FHRSMEMBER
Trustee or director
2.5$0$0$0
DHAUNUNJAYA R LAKKIREDDY MDFHRSMEMBER
Trustee or director
2.5$0$0$0
ERIC S ZADO PAC FHRSMEMBER
Trustee or director
2.5$0$0$0
DAVID S FRANKEL MD FHRSMEMBER
Trustee or director
2.5$0$0$0
NASSIR F MARROUCHE MD FHRSMEMBER
Trustee or director
2.5$0$0$0
EMILY P ZEITLER MD MHSMEMBER
Trustee or director
2.5$0$0$0
FRED M KUSUMOTO MD FHRS2ND PAST PRESIDENT
Trustee or director
5$0$0$0
990 for the year ended September 30, 2023: 29 people
NameTitleHours / weekCompensationFrom related orgsOther / benefits
PATRICIA A BLAKECHIEF EXECUTIVE OFFICER
Officer
40$619,839$0$189,690
TIMOTHY GREGORYCHIEF LEARNING OFFICER
Key employee
40$268,762$0$69,568
ERIC BOOTHCHIEF FINANCIAL OFFICER
Officer
40$266,757$0$47,152
KENNETH J DEMITHCHIEF EXPERIENCE OFFICER
Key employee
39.7$265,167$2,056$45,677
SIMINTHA ESSONCHIEF STRATEGY OFFICER
Key employee
40$260,005$0$43,458
DAVID S RAIMISTASSOCIATE VP, MEMBER ENG & DATA
Highest-paid employee
39$206,675$2,793$60,798
ANNE MARIE SMITHVICE PRESIDENT, PRACTICE IMPROVEMENT
Highest-paid employee
40$221,258$0$18,466
GERMAINE A LUTMAN SCHAEFERASSOCIATE VP MEETINGS OPERATIONS
Highest-paid employee
40$200,554$0$32,435
PAMELA E MAGNANIASSOCIATE VP,EDUCATION
Highest-paid employee
40$207,845$0$21,166
KRISTOPHER J MURPHYASSOCIATE VP MKTG & COMMUNICATIONS
Highest-paid employee
39.9$182,839$564$29,268
SANA M AL-KHATIB MD MHSFHRS CCD2ND VICE PRESIDENT (5/23 TO 9/23)
Trustee or director, Officer
2$4,500$0$0
KENNETH A ELLENBOGEN MD FHRSPRESIDENT-ELECT (5/23 TO 9/23)
Trustee or director, Officer
3$750$0$0
JODIE L HURWITZ MD FHRSPRESIDENT (5/23 TO 9/23)
Trustee or director, Officer
11$0$0$0
ANDREW D KRAHN MD FHRSIMMEDIATE PAST PRESIDENT (5/23 TO 9/23)
Trustee or director, Officer
5$0$0$0
MINA K CHUNG MD FHRS1ST VICE PRESIDENT (5/23 TO 9/23)
Trustee or director, Officer
3$0$0$0
JOHN K TRIEDMAN MD FHRS CEPS-PSECRETARY-TREASURER (5/23 TO 9/23)
Trustee or director, Officer
5$0$0$0
DAVID S FRANKEL MD FHRSMEMBER
Trustee or director
2$0$0$0
DHANUNJAYA R LAKKIREDDY MDMEMBER
Trustee or director
2$0$0$0
NASSIR F MARROUCHE MD FHRSMEMBER
Trustee or director
1$0$0$0
JAGMEET P SINGH MD PHD FHRSMEMBER
Trustee or director
1$0$0$0
BRYNN E DECHERT-CROOKS APNMEMBER
Trustee or director
1$0$0$0
JONATHAN P PICCINI SRMDMHSFHMEMBER
Trustee or director
1$0$0$0
SUNNY S PO MD PHD FHRSMEMBER
Trustee or director
1$0$0$0
ERICA S ZADO PAC FHRSMEMBER
Trustee or director
1$0$0$0
LUIGI DI BIASE MD PHD FHRSMEMBER
Trustee or director
1$0$0$0
SUSAN P ETHERIDGE MD FHRSMEMBER
Trustee or director
1$0$0$0
DANIEL P MORIN MD MPH FHRSMEMBER
Trustee or director
1$0$0$0
EMILY P ZEITLER MD MHSMEMBER
Trustee or director
1$0$0$0
FRED M KUSUMOTO MD FHRSMEMBER
Trustee or director
1$0$0$0

Address and contacts

Address (IRS master file)
1455 PENNSYLVANIA AVE NW STE 400, WASHINGTON, DC 20004-1017
In care of
% JAMES YOUNGBLOOD
Principal officer (990 for 2024)
TIMOTHY GREGORY, 1455 PENNSYLVANIA AVE NW 400, WASHINGTON, DC 20004
Signed the 990
TIMOTHY GREGORY, INTERIM CHIEF EXECUTIVE OFFICER
Phone
(202) 464-3400
Return prepared by
SB & COMPANY LLC

Mission

TO IMPROVE THE CARE OF PATIENTS BY PROMOTING EDUCATION, RESEARCH AND OPTIMAL HEALTH CARE POLICIES AND STANDARDS. VISION: TO END DEATH AND SUFFERING DUE TO HEART RHYTHM DISORDERS.

990 for the year ended September 30, 2025

Program accomplishments

  • MEETINGS:HRS2025 IS THE SOCIETY'S ANNUAL MEETING, CONVENING THE WORLD'S MOST NOTED EXPERTS IN CARDIAC RHYTHM MANAGEMENT. THE 3-DAY EDUCATIONAL HYBRID EVENT HAS AN ATTENDANCE OF APPROXIMATELY 6,000 FROM 68 COUNTRIES AND OFFERS OVER 250 EDUCATIONAL SESSIONS COVERING TOPICS SUCH AS PACING, DEFIBRILLATION, CLINICAL ARRHYTHMIA MANAGEMENT, ABLATION, PHARMACOLOGY, GENETICS, BASIC SCIENCE, AND HEALTH POLICY. PARTICIPANTS ALSO BENEFIT FROM EXPERIENCES WITH STATE-OF-THE-ART TECHNOLOGY IN AN EXHIBIT HALL FEATURING OVER 100 COMPANIES. THERE WAS ALSO ONLINE PARTICIPATION AVAILABLE, BOTH EXCLUSIVELY OR AS AN AUGMENTATION TO THE IN-PERSON EXPERIENCE.HRX IS THE SOCIETY'S GROUNDBREAKING CARDIOVASCULAR INNOVATION EVENT THAT DRAWS AN INTERNATIONAL AUDIENCE OF HEALTH CARE PROFESSIONALS FOCUSED ON CARDIOVASCULAR HEALTH AND RHYTHM MANAGEMENT EMPHASIZING INNOVATIONS IN CARDIOLOGY. THIS ANNUAL EVENT FEATURED INDUSTRY CHAMPIONS DISPLAYING THEIR BREAKTHROUGH PRODUCTS TO OUR AUDIENCE OF PHYSICIANS AND ALLIED HEALTH PROFESSIONALS. THE UNIQUE ALL-IN-ONE ROOM LAYOUT ALLOWED THE ATTENDEES AND SPONSORS TO INTERACT THROUGHOUT THE 3-DAY NON-ACE EVENT.
    Expenses $6,683,961 · grants $34,500 · revenue $11,247,918
  • MARKETING, COMMUNICATIONS & MEMBERSHIP: THE SOCIETY REPRESENTS OVER 7,500 HEART RHYTHM PROFESSIONALS IN MORE THAN 90 COUNTRIES. IT FACILITATES PEER TO PEER EDUCATION, ELEVATES SCIENCE WITHIN THE FIELD OF ELECTROPHYSIOLOGY, AND RAISES AWARENESS OF HEART RHYTHM DISORDERS, INCLUDING SUDDEN CARDIAC ARREST, ATRIAL FIBRILLATION AND HEART FAILURE. HEART RHYTHM, HEART RHYTHM CASE REPORTS, CARDIOVASCULAR DIGITAL HEALTH JOURNAL AND HEART RHYTHM O2 ARE THE OFFICIAL PUBLICATIONS OF THE SOCIETY. HRSONLINE.ORG, HEARTRHYTHM.COM, CARDIQ.ORG, UPBEAT.ORG, HEARTRHYTHM365.ORG, AND EXPERIENCEHRX.COM ARE THE OFFICIAL WEBSITES OF THE SOCIETY.
    Expenses $5,335,507 · grants $2,000 · revenue $2,786,989
  • EDUCATION:THE HEART RHYTHM SOCIETY PROVIDES LEARNING EXPERIENCES FOR HEART RHYTHM PROFESSIONALS BASED ON CLINICAL PRACTICE DATA, RESULTING IN IMPROVED PROFESSIONAL COMPETENCE, CLINICAL PRACTICE, AND CARE OF PATIENTS WITH HEART RHYTHM DISORDERS. IN THIS EFFORT, THE SOCIETY USES INNOVATIVE TEACHING METHODS AND ADVANCED TECHNOLOGIES TO PROVIDE SUPERIOR YEAR-ROUND EDUCATION INCLUDING LIVE COURSES AND DISTANCE LEARNING. THE SOCIETY AWARDS RESEARCH FELLOWSHIP SCHOLARSHIPS TO INDIVIDUALS INTERESTED IN CLINICAL AND BASIC RESEARCH RELATED TO THE LATEST ADVANCES IN ELECTROPHYSIOLOGY.
    Expenses $6,227,455 · grants $207,500 · revenue $1,623,289
  • HEALTH, POLICY, AND OTHER
    Expenses $549,167 · revenue $768,791

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in September, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025September 30, 2026February 16, 2027Not due yet
2024September 30, 2025February 17, 2026990 on file
2023September 30, 2024February 18, 2025990 on file

IRS record

EIN
04-2694458
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1980
Accounting year ends
September
Files
Form 990 or 990-EZ
Assets (IRS master file)
$16,905,416
Income (IRS master file)
$24,416,456

Filing history

FormYear endedRevenueExpensesAssetsReturn
990September 2025$23,043,846$22,986,906$16,905,416XML
990-TSeptember 2025–––IRS
990September 2024$20,793,263$21,411,296$15,690,899XML
990-TSeptember 2024–––IRS
990September 2023$19,305,479$21,516,749$14,695,578XML
990-TSeptember 2023–––IRS
990September 2022$17,863,726$18,824,959$14,704,509IRS
990-TSeptember 2022–––IRS
990September 2021–––IRS
990-TSeptember 2021–––IRS
990September 2020–––IRS
990September 2019–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 04-2694458).

Questions about HEART RHYTHM SOCIETY INC

What is the EIN of HEART RHYTHM SOCIETY INC?
The employer identification number (EIN) of HEART RHYTHM SOCIETY INC is 04-2694458.
Is HEART RHYTHM SOCIETY INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1980.
Are donations to HEART RHYTHM SOCIETY INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does HEART RHYTHM SOCIETY INC file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of HEART RHYTHM SOCIETY INC due?
The return for tax year 2025 (the year ending September 30, 2026) is due February 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did HEART RHYTHM SOCIETY INC last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended September 2025.
Who is the principal officer of HEART RHYTHM SOCIETY INC?
The 990 for the year ended September 30, 2025 names TIMOTHY GREGORY.
Who are the officers and directors of HEART RHYTHM SOCIETY INC?
The 990 for the year ended September 30, 2025 lists 26 people; 15 received compensation from the organization, the highest $820,800 (PATRICIA A BLAKE, CHIEF EXECUTIVE OFFICER).
How much revenue does HEART RHYTHM SOCIETY INC have?
On its 990 for the year ended September 30, 2025 it reported revenue of $23,043,846, expenses of $22,986,906 and total assets of $16,905,416 at year end.

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