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CLINICAL NEUROLOGICAL SOCIETY OF AMERICA INC

EIN 59-1988226 WASHINGTON, DC

Revenue 2023
$703,145
Expenses 2023
$646,925

As filed

Subsection
06
NTEE code
H03
Classification
1000
Street
2020 K ST NW STE 505

These codes are the IRS's own and are shown exactly as filed. What each one means is in the Business Master File documentation (opens in a new tab).

Other organizations at this address

13 other organizations in the IRS Business Master File list the same street address. matched by us

This address is a suite or unit (STE 505). Organizations that share one are often clients of the same office-services firm, accountant or registered agent rather than related to each other.

We match the street line and ZIP code as the IRS gives them, ignoring case and outer spaces and nothing else, so "AVE" and "AVENUE" count as different streets and this list can miss some. A shared address can mean related organizations or a shared office, but it can also be a registered agent, a mail drop or a service provider holding mail for unrelated clients. It is not, by itself, evidence that two organizations are connected.

Mission and programs · 2023

Mission

THE MISSION OF THE CNSA IS TO SUPPORT AND ENHANCE THE STUDY, ACQUISITION, DISSEMINATION, AND APPLICATION OF KNOWLEDGE CONCERNING NEUROLOGY IN ALL OF ITS PHASES: BIOLOGICAL, CLINICAL, AND SOCIAL.

  • ANNUAL MEETING IN JANUARY 2024, CNSA HELD ITS 50TH ANNUAL MEETING IN KEY LARGO, FLORIDA. THE FOUR-DAY, IN-PERSON EVENT WELCOMED APPROXIMATELY 75 NEUROLOGISTS AND NEUROLOGY CLINICIANS. THE MEETING IS SUPPORTED BY A COMBINATION OF REGISTRATION FEES, EXHIBITORS AND COMMERCIAL SUPPORT (UNRESTRICTED EDUCATION GRANTS).

  • CORPORATE COUNCIL CNSA'S CORPORATE COUNCIL IS AN INDUSTRY MEMBERSHIP PROGRAM THAT ALLOWS FOR THE SOCIETY'S LEADERSHIP TO ENGAGE AND SHARE INSIGHTS WITH REPRESENTATIVES OF COMPANIES DEVELOPING BIOLOGICS, PHARMACEUTICALS AND MEDICAL DEVICES PRESCRIBED BY CLINICAL NEUROLOGISTS IN THE TREATMENT OF THEIR PATIENTS.

  • CIDP AMBASSADOR PROGRAM OFFERS UP TO 24 NEUROMUSCULAR FELLOWS, COMPREHENSIVE NEUROLOGY FELLOWS AND COMPREHENSIVE NEUROLOGISTSTHE OPPORTUNITY TO ATTEND AN INTERACTIVE EDUCATIONAL PROGRAM ON IMPROVING THE RECOGNITION, DIAGNOSIS AND TREATMENT OF CIDP.THE PROGRAM IS LED BY SIX NATIONALLY RECOGNIZED FACULTY EXPERTS AND INCLUDES TWO DAYS OF INTERACTIVE LECTURES AND DISCUSSIONS.

As filed on the 2023 return.

Officers and directors · 2023

As listed in Part VII of the 2023 return, in the order the filer printed them. Each return names its own; this is not a roster the organization keeps with us.

  • George Feussner MD

    PAST-EMERITUS COUNCIL REP.

    Total calculated
    $0
    Hours/week
    1
  • Gregory Bergey MD

    DIRECTOR

    Total calculated
    $1,500
    From this org
    $1,500
    From related orgs
    $0
    Other
    $0
    Hours/week
    1
  • Larry Charleston MD

    DIRECTOR

    Total calculated
    $0
    Hours/week
    1
  • Niyatee Samudra MD

    DIRECTOR

    Total calculated
    $0
    Hours/week
    1
  • Howard Kirshner MD

    EMERITUS COUNCIL REP.

    Total calculated
    $0
    Hours/week
    1
  • Sina Linman-Cpnp

    DIRECTOR

    Total calculated
    $0
    Hours/week
    1
  • Amy Brown MD

    DIRECTOR

    Total calculated
    $0
    Hours/week
    1
  • David Charles MD

    PAST-PRESIDENT

    Total calculated
    $1,000
    From this org
    $1,000
    From related orgs
    $0
    Other
    $0
    Hours/week
    2
  • Katherine Peters MD

    PAST PRESIDENT-ELECT

    Total calculated
    $0
    Hours/week
    1
  • David Houghton MD

    PRESIDENT

    Total calculated
    $1,000
    From this org
    $1,000
    From related orgs
    $0
    Other
    $0
    Hours/week
    1
  • Philip Gorelick MD

    IMMEDIATE PAST PRESIDENT

    Total calculated
    $0
    Hours/week
    1
  • Sara Zallek MD

    PRESIDENT-ELECT

    Total calculated
    $0
    Hours/week
    1

Compensation is as filed in Part VII: reportable pay from this organization and from related organizations, other compensation, and hours per week. The total, marked calculated, is our sum of the three dollar columns, with a blank column counted as $0; the form itself has no total. On a Form 990-EZ the columns are Part IV's instead, and on a Form 990-PF Part VIII's — compensation, contributions to benefit plans, and expense account — and the total sums those. Earlier years are each on their own filing page.

Filings

  • 2023
    Revenue
    $703,145
    Expenses
    $646,925
    Contributions
    $665,948
    Grants paid
    $1,500
  • 2022
    Revenue
    $524,934
    Expenses
    $460,575
    Contributions
    $350,795
    Grants paid
    $6,979

The four totals the IRS asks for on Part I of the Form 990, as filed. A dash means the figure was not present on the return — not that it was zero.

Other returns filed

  • 2021 · 990

    Revenue
    $303,588
    Expenses
    $305,006
    Assets (EOY)
    $157,544
  • 2018 · 990-EZ

    Revenue
    $450
    Expenses
    not reported
    Assets (EOY)
    $16,123
  • 2016 · 990-EZ

    Revenue
    $110,000
    Expenses
    $99,254
    Assets (EOY)
    $56,792

Nonprofiteer parses Forms 990, 990-EZ and 990-PF, in a window of recent tax years. These returns are recorded from the IRS e-file index, so their figures were extracted by that index rather than read from the return here — treat them as a different source from the filings above, not as more of the same record. A dash means the index carries no figure; Form 990-T listings carry none at all.

Form 990-N e-Postcard, tax year 2020

Tax period
1 January 2020 to 31 December 2020
Principal officer
Philip B Lorelick MD
Mailing address
1400 VILLAGE SQ BLVD NO 3-105TALLAHASSEE FL 32312
Website
Something was entered that is not a web address, so it is not shown.

As filed, from the IRS e-Postcard file of 26 October 2026. The IRS publishes only each organization's most recent postcard, so earlier years are not shown. A 990-N carries no financial detail. The postcard also gives the principal officer's address, which is not shown here.

Grants made

No itemized grants to organizations. Schedule I is filed only by organizations that granted more than $5,000 to a recipient, so most filers have none.

Grants received

Other IRS files

Auto-Revocation List

Not listed. The IRS publishes this list for organizations whose exemption was automatically revoked for failing to file for three consecutive years.

Publication 78

Not present in the most recent drop.

These are two separate IRS files on two separate schedules, shown as published and not reconciled with each other. Neither is a statement about whether a contribution is deductible today: 19,245 organizations appear in Publication 78 while the IRS's own revocation file lists them as currently revoked, more than half of those revoked before 2019. Absence from Publication 78 is evidence of nothing, and presence is not evidence either. Verify current status with the IRS before relying on it.

What this page reflects

The registration facts above come from the IRS Business Master File published 13 October 2026 and read 1 November 2026, for every organization at once. Returns through tax year 2023, the newest we have parsed for this organization.