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Governance Register
US nonprofit · EIN 731008550 · Duncan, OKiSource and licenceOrganisation record IRS Exempt Organizations Business Master File (EIN 731008550) - NTEE activity code, address.Board and officers IRS Form 990 annual filings, Part VII (directors, trustees, officers, key employees), read year by year to observe tenure.Latest return IRS Form 990 series e-file data - 990 for the year to 30 June 2025: assets, liabilities, staff, website, telephone, pay, related organisations (Schedule R), grants paid (Schedule I).Renewal outlook Computed by Governance Register from the observed filing history and filed revenue (us-approach-v4-clean). Not a statement that the organisation is recruiting.Deductibility IRS Publication 78 data (code PC), downloaded 18 October 2026.Licence US Federal Government public domain.How we handle data

Duncan Regional Hospital Inc's network

9 people8 organisationsi9 people and 8 organisations on this map.The large node is the subject of this page. Solid lines are what the register itself records (9). Violet dotted lines (8) are likely: the same full name sits on the current board of another organisation in the same register and region. Form 990 filings give names without a person identifier; SEC insider filings carry a CIK. It may be a different person.

The board

9 listediTime on the board is observed from the annual filings: the IRS files no appointment date, so the bar counts years from the first filing the person appears on - a lower bound, not a filed start date. Names are exactly as filed. The IRS publishes no person identifier, so this edition does not yet link a person across organisations in the tables. The network map shows same-name matches as likely links only, never as confirmed.Tenure and departures are observed across annual filings. Observed tenure is a lower bound - a member may have joined before the first year on record. The organisation reported 9 voting members of its governing body on its latest Form 990 Part VI, which matches the board listed here.
NameRole as filedSinceOn the board
Harbour Whitaker ChairChair2018
8 yrs
Brad ScottVice Chair2018
8 yrs
CHE' Miller MDDirector2019
7 yrs
Greg ShepherdDirector2018
8 yrs
Jari AskinsDirector2018
8 yrs
Miguel Sabedra MDDirector2021
5 yrs
Natalie ColeDirector2023
3 yrs
Nathan Elfrink MDCompany secretary2020
6 yrs
Tanya CaseDirector2020
6 yrs
Under 5 years5 to 6 years6 years or more

Officers and senior leadership

25 listediNamed in Part VII as officers, key employees or highest-compensated staff - not board members, shown for completeness.
NameTitle as filedOn the filings
Brenda Mullins MDPHYS-Interventional Cardiologysince 2022
Cynthia RauhVP/Chief Nursing Officersince 2018
Danny Giles MDPHYSICIAN - Orthopedic surgeonsince 2018
Doug VolinskiVP/CFOsince 2018
Jay JohnsonPresident & CEOsince 2018
Jeffery Clyde Jones MDPhysician - Family Medicine2020
John McGath MDPhysician - Ent2018
John P EdgarPresident of JCH2023
Juan Adrian CornejoPhysician- Gynecology Surgery2023
Kristen J Webb RN MSNVP/Chief Nursing Officersince 2019
Krystal M Vonfeldt MDPHYSICIAN-family practicesince 2021
Mark W RhoadesVP - Human Resourcessince 2018
Melissa Marie Hurst MDPHYSICIAN-Family Practicesince 2021
Michelle Jenean BivansVP/Chrosince 2021
Miguel Angel Tovar MDPhysician - Obgynsince 2019
Miguel REY Sabedra MDPHYSICIAN - Family Practice2019
Miguel Tovar MDPhysician2018
Richard GillespiePresident of JCHsince 2020
Roger NealVP Operations/CIOsince 2018
Ron Miller MDOphthamologist2020
Stacie Elfrink MDPhysician - Obgynsince 2018
Thomas EiserOrthopaedic Surgeon2019
Thomas Eiser MDOrthopaedic Surgeon2018
Tom Wallace EwingPhysician2021
William Stewart MDPresident-Solutions-Family Medsince 2018

Pay and hours

year to 30 June 2025iFrom Part VII of the Form 990: compensation reported for each officer, director, trustee, key employee and highest-paid staff member, and the average hours a week they report. Most board members are unpaid; a blank means nothing was reported. Pay from related organisations is shown separately.
NameTitle as filedHours a weekPay from the organisationRelated organisationsOther
Bryan DuellClinic Physician55$1.1m$65k
Jay Russell JohnsonPresident and Chief Executive Officer55$784k$63k
Brenda K MullinsPhysician - Interventional Cardiology55$735k$54k
Jeffrey Clyde JonesClinic Physician55$717k$40k
Juan Adrian CornejoPhysician - Gyneocology Surgery55$648k$63k
Michael Thomas HemphillClinic Physician55$635k$65k
Douglas R VolinskiVice President and Chief Financial Officer55$545k$55k
Roger Lynn NealVice President and Chief Operating Officer55$523k$49k
Miguel Rey SabedraSecretary/Physician55$490k$55k
William T StewartPresident, DRH Health Clinics55$430k$62k
Michelle Jenean BivansVice President and Chief Human Resources Officer55$359k$53k
Kristen J WebbVice President and Chief Nursing Officer55$307k$62k
John P EdgarPresident, JCH55$194k$39k
James McGouran MDDirector/Pediatric on-Call Physician2$74k
Brad ScottChair2$0
Jari AskinsVice-Chair2$0
Bill BradleyDirector2$0
Frank BurchDirector2$0
Natalie ColeDirector2$0
Nathan Elfrink MDDirector2$0
Tanya CaseDirector2$0

About

Legal name
Duncan Regional Hospital Inc
EIN
731008550
Address
Po Box 2000, Duncan, OK, 73534-2000
State
Oklahoma
Mission
Providing compassionate and exceptional healthcare while improving our community's health (as filed on the Form 990)
Activity (NTEE)
E220 Health care
IRS classification
501(c)03 (tax-exempt under section 501(c)(3) where shown)
Classified purpose
Health Care
Size band
9 (IRS master file code)
Formed
1976
IRS ruling date
1 November 1976
Status
Code 01 (unconditional exemption)
Form 990 filings on record
6, latest 2023
IRS Publication 78
PC (contributions deductible)

Most connected

Longest observed on the filings

≥8years on the filingsHarbour Whitaker
≥8years on the filingsBrad Scott
≥8years on the filingsGreg Shepherd
≥8years on the filingsJari Askins

Latest return

year to 30 June 2025iFigures from the newest Form 990 or 990-EZ in the IRS e-file releases of 2025 and 2026, for the year ending 30 June 2025. US dollars, as filed.
Total assets
$292m
Total liabilities
$66.6m
Net assets or fund balances
$225.4m
Contributions and grants received
$637k
Program service revenue
$214.7m
Grants and similar paid out
$84k
Employees
1,544
Volunteers
78

Grants paid

3 listediFrom Schedule I of the Form 990: grants and assistance to organisations in the United States, largest first (up to 25). Schedule I is filed only by organisations that gave more than $5,000 to any one recipient.
RecipientPurposeAmount
Beautiful Day FoundationCommunity Support$0
Duncan Community ResidenceCommunity Support$0
Stephens County Health and Healing IncGillispie Day Treatment Program$0