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Southwest Society Of Periodontists

  • Plano, TX
  • Tax-exempt since June 1973
  • EIN: 23-7293989

Organization summary

Type of Nonprofit

Designated as a Business leagues, chambers of commerce, real estate boards, etc, created for the improvement of business conditions.

Donations to this organization are not tax deductible.

Summary charts: organization finances over time

Revenue
$186k (2024)

Expenses
$243k (2024)

Total Assets
$205k (2024)

Total Liabilities
$127k (2024)

Source: Form 990 tax filings from 2011 to 2024

Tax Filings by Year

Form 990 is an information return that most organizations claiming federal tax-exempt status must file yearly with the IRS. Nonprofit Explorer has IRS digitized Form 990 data for filings processed in 2012 and later. If this organization filed an amended return, it may not be reflected below. Duplicate download links may indicate a resubmission or amendment to this organization's original return. Form 990 data is from the IRS.

Fiscal Year Ending Dec.
2024

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$186,315
Expenses
$243,389
Net Income
-$57,074
Net Assets
$78,172
Notable Sources of Revenue Percent of Total Revenue
Contributions $0
Program Services $185,795
99.7%
Investment Income $20
0.0%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $500
0.3%
Notable Expenses Percent of Total Expenses
Executive Compensation $0
Professional Fundraising Fees $0
Other Salaries and Wages $0
Assets/Debt
Total Assets $204,937
Total Liabilities $126,765
Net Assets $78,172
Compensation
Key Employees and Officers Compensation Related Other
Daniela Zambon (Pres Elect) $0 $0 $0
Shelby Nelson (Secretary) $0 $0 $0
Yong Hee Chun (President) $0 $0 $0
Kayleigh Eaves Temple (Treasurer) $0 $0 $0
Nikola Angelov (Treasurer Elect) $0 $0 $0
Jeff Pope (Member At Large) $0 $0 $0
John Wilson (Member At Large) $0 $0 $0
Matt Carlisle (Member At Large) $0 $0 $0
Lea Hachem (Member At Large) $0 $0 $0
Matt Steffer (Past President) $0 $0 $0
Dr Angela Palaiologou (Member At Large) $0 $0 $0
Dr Chun Teh Lee (Member At Large) $0 $0 $0
Drtakanari Miyamoto (Past Past President) $0 $0 $0
+ View more people

Document Links

990
Filed on Nov. 17, 2025

Primary tax return for a nonprofit’s activities, finances, and governance

View Filing
XML

Fiscal Year Ending Dec.
2023

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$208,657
Expenses
$199,119
Net Income
$9,538
Net Assets
$135,246
Notable Sources of Revenue Percent of Total Revenue
Contributions $0
Program Services $208,420
99.9%
Investment Income $237
0.1%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $0
Professional Fundraising Fees $0
Other Salaries and Wages $0
Assets/Debt
Total Assets $225,051
Total Liabilities $89,805
Net Assets $135,246
Compensation
Key Employees and Officers Compensation Related Other
Matt Steffer (President) $0 $0 $0
Yong Hee Chun (President Elect) $0 $0 $0
Daniela Zambon (Secretary) $0 $0 $0
Shelby Nelson (Secretary Elect) $0 $0 $0
Kayleigh Eaves Temple (Treasurer) $0 $0 $0
Nikola Angelov (Treasurer Elect) $0 $0 $0
Takanari Miyamoto (Past President) $0 $0 $0
Natalie Frost (Past President) $0 $0 $0
Blaine Calahan (Member At Large) $0 $0 $0
Angela Palaiologou Gallis (Member At Large) $0 $0 $0
Jeff Pope (Member At Large) $0 $0 $0
John Wilson (Member At Large) $0 $0 $0
Ali Sajadi (Member At Large) $0 $0 $0
Matt Carlisle (Member At Large) $0 $0 $0
+ View more people

Document Links

990
Filed on Nov. 12, 2024

Primary tax return for a nonprofit’s activities, finances, and governance

View Filing
XML

Fiscal Year Ending Dec.
2022

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$191,854
Expenses
$187,040
Net Income
$4,814
Net Assets
$217,243
Notable Sources of Revenue Percent of Total Revenue
Contributions $0
Program Services $154,045
80.3%
Investment Income $46
0.0%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $217,243
Total Liabilities $0
Net Assets $217,243
Compensation
Key Employees and Officers Compensation Other
Takanari Miyamoto (President) $0 $0
Matt Sheffer (President Elect) $0 $0
Natalie Frost (Past President) $0 $0
Kristi Soileau (Past Past President) $0 $0
Yong Hee Chun (Secretary) $0 $0
Daniela Zambon (Secretary Elect) $0 $0
Kayleigh Eaves Temple (Treasurer Elect) $0 $0
Shelby Nelson (Treasurer) $0 $0
+ View more people

Document Links

990-EZ
Filed on Aug. 15, 2023

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2021

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$162,254
Expenses
$153,637
Net Income
$8,617
Net Assets
$212,429
Notable Sources of Revenue Percent of Total Revenue
Contributions $0
Program Services $126,474
77.9%
Investment Income $20
0.0%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $212,429
Total Liabilities $0
Net Assets $212,429
Compensation
Key Employees and Officers Compensation Other
Dr Natalie Frost (President) $0 $0
Dr Takanari Miyamoto (President Elect) $0 $0
Dr Kristi Soileau (Past President) $0 $0
Dr Matt Steffer (Secretary) $0 $0
Dr Yong Hee Chun (Secretary Elect) $0 $0
Dr Daniela Zambon (Treasurer Elect) $0 $0
Dr Scott Bedichek (Treasurer) $0 $0
+ View more people

Document Links

990-EZ
Filed on May 6, 2022

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
XML

Fiscal Year Ending Dec.
2020

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$106,829
Expenses
$123,167
Net Income
-$16,338
Net Assets
$203,812
Notable Sources of Revenue Percent of Total Revenue
Contributions $0
Program Services $77,550
72.6%
Investment Income $35
0.0%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $203,812
Total Liabilities $0
Net Assets $203,812
Compensation
Key Employees and Officers Compensation Other
Dr Kristi Soileau (President) $0 $0
Dr Natalie Frost (President Elect) $0 $0
Dr Pilar Valderrama (Past President) $0 $0
Dr Takanari Miyamoto (Secretary) $0 $0
Dr Scott Bedichek (Treasurer Elect) $0 $0
Dr Cuong Ha (Treasurer) $0 $0
Dr Matt Steffer (Secretary Elect) $0 $0
+ View more people

Document Links

990-EZ
Filed on Sept. 27, 2021

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
XML

Fiscal Year Ending Dec.
2019

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$159,515
Expenses
$161,992
Net Income
-$2,477
Net Assets
$220,150
Notable Sources of Revenue Percent of Total Revenue
Contributions $0
Program Services $125,683
78.8%
Investment Income $77
0.0%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $220,150
Total Liabilities $0
Net Assets $220,150
Compensation
Key Employees and Officers Compensation Other
Dr Pilar Valderrama (President) $0 $0
Dr Kristi Soileau (President Elect) $0 $0
Dr Cora Marsaw (Past President) $0 $0
Dr Natalie Frost (Secretary) $0 $0
Dr Cuong Ha (Treasurer Elect) $0 $0
Dr Matt Steffer (Treasurer) $0 $0
Dr Takanari Miyamoto (Secretary Elect) $0 $0
+ View more people

Document Links

990-EZ
Filed on May 11, 2020

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2018

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$169,811
Expenses
$165,720
Net Income
$4,091
Net Assets
$222,627
Notable Sources of Revenue Percent of Total Revenue
Contributions $0
Program Services $137,245
80.8%
Investment Income $76
0.0%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $222,627
Total Liabilities $0
Net Assets $222,627
Compensation
Key Employees and Officers Compensation Other
Dr Scott Dowell (President) $0 $0
Dr Cora Marsaw (President Elect) $0 $0
Dr Eduardo Lorenzana (Past President) $0 $0
Dr Pilar Valderrama (Secretary) $0 $0
Dr Guy Huynh Ba (Treasurer) $0 $0
Dr Kristi Soileau (Secretary Elect) $0 $0
+ View more people

Document Links

990-EZ
Filed on April 9, 2019

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2017

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$175,282
Expenses
$149,160
Net Income
$26,122
Net Assets
$218,536
Notable Sources of Revenue Percent of Total Revenue
Contributions $0
Program Services $143,710
82.0%
Investment Income $62
0.0%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $218,536
Total Liabilities $0
Net Assets $218,536
Compensation
Key Employees and Officers Compensation Other
Dr Scott Dowell (President) $0 $0
Dr Cora Marsaw (President Elect) $0 $0
Dr Eduardo Lorenzana (Past President) $0 $0
Dr Pilar Valderrama (Secretary) $0 $0
Dr Guy Huynh Ba (Treasurer) $0 $0
Dr Kristi Soileau (Secretary Elect) $0 $0
+ View more people

Document Links

990-EZ
Filed on Sept. 27, 2018

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
XML

Fiscal Year Ending Dec.
2016

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$176,890
Expenses
$179,149
Net Income
-$2,259
Net Assets
$130,202
Notable Sources of Revenue Percent of Total Revenue
Contributions $0
Program Services $144,148
81.5%
Investment Income $50
0.0%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $204,414
Total Liabilities $74,212
Net Assets $130,202
Compensation
Key Employees and Officers Compensation Other
Dr Eduardo Lorenzana (President) $0 $0
Dr Scott Dowell (President Elect) $0 $0
Dr John Dmytryk (Past President) $0 $0
Dr Pilar Valderrama (Secretary) $0 $0
Dr Sara A Bender (Treasurer) $0 $0
Dr Cora Marsaw (Secretary Elect) $0 $0
Dr Guy Huynh Ba (Treasurer Elect) $0 $0
+ View more people

Document Links

990-EZ
Filed on Aug. 14, 2017

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2015

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$195,229
Expenses
$231,282
Net Income
-$36,053
Net Assets
$132,461
Notable Sources of Revenue Percent of Total Revenue
Contributions $0
Program Services $158,052
81.0%
Investment Income $717
0.4%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $180,606
Total Liabilities $48,145
Net Assets $132,461
Compensation
Key Employees and Officers Compensation Other
Dr John Dmytryk (President) $0 $0
Dr Eduardo Lorenzana (President Elect) $0 $0
Dr Brad Crump (Past President) $0 $0
Dr Scott Dowell (Secretary) $0 $0
Dr Pilar Valderrama (Treasurer) $0 $0
Dr Alan Moritz (Secretary Elect) $0 $0
Dr Sara Bender (Treasurer Elect) $0 $0
+ View more people

Document Links

990-EZ
Filed on Aug. 10, 2016

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML
PDF (2 of 2)

Fiscal Year Ending Dec.
2014

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$148,031
Expenses
$140,145
Net Income
$7,886
Net Assets
$168,514
Notable Sources of Revenue Percent of Total Revenue
Contributions $0
Program Services $110,323
74.5%
Investment Income $1,088
0.7%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $168,514
Total Liabilities $0
Net Assets $168,514

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2013

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$148,357
Expenses
$176,306
Net Income
-$27,949
Net Assets
$160,362
Notable Sources of Revenue Percent of Total Revenue
Contributions $0
Program Services $113,648
76.6%
Investment Income $1,177
0.8%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $160,362
Total Liabilities $0
Net Assets $160,362

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2012

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$124,003
Expenses
$143,889
Net Income
-$19,886
Net Assets
$188,311
Notable Sources of Revenue Percent of Total Revenue
Contributions $0
Program Services $90,751
73.2%
Investment Income $1,365
1.1%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $188,311
Total Liabilities $0
Net Assets $188,311

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2011

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$132,657
Expenses
$137,975
Net Income
-$5,318
Net Assets
$208,197
Notable Sources of Revenue Percent of Total Revenue
Contributions $0
Program Services $97,181
73.3%
Investment Income $1,686
1.3%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $208,197
Total Liabilities $0
Net Assets $208,197

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2010

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2009

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2008

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2007

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990

Primary tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2005

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990

Primary tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2004

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990

Primary tax return for a nonprofit’s activities, finances, and governance

PDF

About This Data

What Is This Data?

Nonprofit Explorer includes summary data for nonprofit tax returns and full Form 990 documents, in both PDF and digital formats.

The summary data contains information processed by the IRS during the 2012-2019 calendar years; this generally consists of filings for the 2011-2018 fiscal years, but may include older records. This data release includes only a subset of what can be found in the full Form 990s.

In addition to the raw summary data, we link to PDFs and digital copies of full Form 990 documents wherever possible. This consists of separate releases by the IRS of Form 990 documents processed by the agency, which we update regularly.

We also link to copies of audits nonprofit organizations that spent $750,000 or more in Federal grant money in a single fiscal year since 2016. These audits are copied from the Federal Audit Clearinghouse.

Which Organizations Are Here?

Every organization that has been recognized as tax exempt by the IRS has to file Form 990 every year, unless they make less than $200,000 in revenue and have less than $500,000 in assets, in which case they have to file form 990-EZ. Organizations making less than $50,000 don’t have to file either form but do have to let the IRS they’re still in business via a Form 990N "e-Postcard."

Nonprofit Explorer has organizations claiming tax exemption in each of the 27 subsections of the 501(c) section of the tax code, and which have filed a Form 990, Form 990EZ or Form 990PF. Taxable trusts and private foundations that are required to file a form 990PF are also included. Small organizations filing a Form 990N "e-Postcard" are not included in this data.

Types of Nonprofits

There are 27 nonprofit designations based on the numbered subsections of section 501(c) of the tax code. See the list »

Get the Data

For those interested in acquiring the original data from the source, here’s where our data comes from:

  • Raw filing data. Includes EINs and summary financials as structured data.
  • Exempt Organization profiles. Includes organization names, addresses, etc. You can merge this with the raw filing data using EIN numbers.
  • Form 990 documents. Prior to 2017, these documents were obtained and processed by Public.Resource.org and ProPublica. Bulk PDF downloads since 2017 are available from the IRS.
  • Form 990 documents as XML files. Includes complete filing data (financial details, names of officers, tax schedules, etc.) in machine-readable format. Only available for electronically filed documents. Electronic data released prior to October 2021 is also available through Amazon Web Services.
  • Audits. PDFs of single or program-specific audits for nonprofit organizations that spent $750,000 or more in Federal grant money in a single fiscal year. Available for fiscal year 2015 and later.

API

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About Nonprofit Explorer

Nonprofit Explorer

Browse millions of annual returns filed by tax-exempt organizations with ProPublica’s Nonprofit Explorer. See details like executive compensation, revenue, expenses and more. Search for an organization or a person, or search the full text of filings.

By Andrea Suozzo, Alec Glassford, Ash Ngu and Brandon Roberts.

Design by Jeff Frankl. Additional development by Ken Schwencke, Mike Tigas, and Sisi Wei.

E-file viewer adapted from IRS e-File Viewer by Ben Getson. Code for scraping audit documents adapated from Govwiki.

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