Supreme Court

Case: 25-0579    
25-0579
07/02/2025
Petition for Review/Cause under Rule 53.1
QUANTUM PLUS, LLC AND LONESTAR HOSPITAL MEDICINE ASSOCIATES, P.A. 
HOSPITAL INTERNISTS OF AUSTIN, P.A., HOSPITAL INTERNISTS OF TEXAS, AND TEXAS APN, LLC 
Appellate Briefs
Date▲▼Event Type▲▼Description▲▼RemarksDocument
05/29/2026Amicus Curiae Brief receivedReceived (instead of filed) Amicus Curiae Letter Brief received on behalf of the Texas Hospital Association, submitted by Stephen G. Wohleb of the Texas Hospital Assocation, Austin, Texas.
05/14/2026Amicus Curiae Brief receivedReceived (instead of filed) Amicus Brief received on behalf of Texas Medical Association.  Submitted by Kelly M. Walla and Eamon J. Reilly with Texas Medical Association.
04/01/2026Brief on the MeritsPetitioner's Reply Brief Petitioner's Reply Brief on the Merits filed on behalf of Quantum Plus, LLC, et al.
03/02/2026Brief on the MeritsRespondent Respondents' Brief on the Merits filed on behalf of Hospital Internists of Austin, P.A., et al.
01/21/2026Brief on the MeritsPetitioner Petitioners' Brief on the Merits filed on behalf of Quantum Plus, LLC, et al.
10/28/2025Reply to ResponsePetitioner Reply in Support of Petition for Review filed on behalf of Quantum Plus, LLC, et al.
10/13/2025Response to PetitionRespondent Response to Petition for Review filed on behalf of Hospital Internists of Austin, P.A., et al.
08/22/2025Amicus Curiae Letter ReceivedReceived (instead of filed) Amicus Curiae Letter Brief received on behalf of the Texas Hospital Association, submitted by Stephen G. Wohleb of the Texas Hospital Assocation, Austin, Texas.
08/06/2025Petition for ReviewPetitioner Petition for Review filed on behalf of Quantum Plus, LLC, et al.
Case Events
Date▲▼Event Type▲▼Disposition▲▼RemarksDocument
12/09/2025Motion for Extension of Time disposed.Filing granted Motion for Extension of Time to file Petitioner's Brief on the Merits is granted. Petitioner's Brief is due January 21, 2026. Respondent's Brief is due February 10, 2026. Reply Brief is due February 25, 2026. Further requests for extensions of time for this filing will be disfavored.
12/09/2025Motion for Extension of Time to File Brief filed  Unopposed Motion for Extension of Time to file Petitioner's Brief on the Merits filed on behalf of Quantum Plus, LLC, et al.
11/21/2025Brief on the Merits Ordered  Court ordered brief on the merits requested: Petitioner's brief due no later than December 22, 2025; Response brief due January 12, 2026; Reply brief due January 27, 2026.
10/28/2025Reply to Response  Reply in Support of Petition for Review filed on behalf of Quantum Plus, LLC, et al.
10/13/2025Response to Petition  Response to Petition for Review filed on behalf of Hospital Internists of Austin, P.A., et al.
09/12/2025Supreme Court of Texas Requested Response  Requested response to petition for review due no later than October 13, 2025.
08/22/2025Amicus Curiae Letter Received  Amicus Curiae Letter Brief received on behalf of the Texas Hospital Association, submitted by Stephen G. Wohleb of the Texas Hospital Assocation, Austin, Texas.
08/18/2025Notice received  Notice of Nonrepresentation filed on behalf of Quantum Plus, LLC, et al.
08/12/2025Case forwarded to Court 
08/08/2025Response Waiver filed  Response Waiver filed on behalf of Hospital Internists of Austin, P.A., et al.
08/06/2025Petition for Review  Petition for Review filed on behalf of Quantum Plus, LLC, et al.
07/03/2025Motion for Extension of Time to File Petition for Review disposedFiling granted Motion for Extension of Time to file Petition for Review is granted. The Petition for Review is due August 6, 2025.
07/02/2025Motion for Extension of Time to File Petition for Review filed  Unopposed Motion for Extension of Time to file Petition for Review filed on behalf of Quantum Plus, LLC, et al.
07/02/2025Clerk's Record 
07/02/2025Clerk's Record 
07/02/2025Court reporter/recorder's record 
07/02/2025Court reporter/recorder's record 
07/02/2025Court reporter/recorder's record 
06/12/2026Case set for oral argumentCase set for oral argument This case has been set for oral argument at 9:00 a.m., October 6, 2026. Time allotted to argue: 20/20 minutes
06/12/2026Petition for Review disposedFiling granted
06/12/2026Petition for Review granted 
05/29/2026Amicus Curiae Brief received  Amicus Curiae Letter Brief received on behalf of the Texas Hospital Association, submitted by Stephen G. Wohleb of the Texas Hospital Assocation, Austin, Texas.
05/29/2026Call received  Call received from counsel.
05/14/2026Amicus Curiae Brief received  Amicus Brief received on behalf of Texas Medical Association.  Submitted by Kelly M. Walla and Eamon J. Reilly with Texas Medical Association.
04/01/2026Brief on the Merits  Petitioner's Reply Brief on the Merits filed on behalf of Quantum Plus, LLC, et al.
03/03/2026Motion for Extension of Time disposed.Filing granted Motion for Extension of Time to file Petitioner's Brief on the Merits is granted. Petitioner's brief is due April 1, 2026. FURTHER REQUESTS FOR EXTENSIONS OF TIME FOR THIS FILING WILL BE DISFAVORED.
03/03/2026Motion for Extension of Time to File Brief filed  Unopposed Motion for Extension of Time to file Petitioner’s Reply Brief on the Merits filed on behalf of Quantum Plus, LLC, et al.
03/02/2026Brief on the Merits  Respondents' Brief on the Merits filed on behalf of Hospital Internists of Austin, P.A., et al.
02/10/2026Motion for Extension of Time disposed.Filing granted Motion for Extension of Time to file Respondent's Brief on the Merits is granted. Response brief is due March 2, 2026. Further requests for extensions of time for this filing will be disfavored. Reply brief is due March 17, 2026.
02/10/2026Motion for Extension of Time to File Brief filed  Unopposed Motion for Extension of Time to file Respondent's Brief on the Merits filed on behalf of Hospital Internists of Austin, P.A., et al.
01/21/2026Brief on the Merits  Petitioners' Brief on the Merits filed on behalf of Quantum Plus, LLC, et al.
Calendars
Set Date▲▼Calendar Type▲▼Reason Set▲▼Remarks▲▼
10/06/2026Submission (Set to be Heard)Submission (Set to be heard) 
Parties
Party▲▼Party Type▲▼Representative▲▼
Texas Hospital AssociationAmicus CuriaeMr. Stephen G. Wohleb
Lonestar Hospital Medicine Associates, P.A.PetitionerMegan Richardson
Mr. John C. Dunne
Mr. Daryl L. Moore
Ms. Kelsi S. White
Ms. Barbara DePeña
Ms. Jane Langdell Robinson
Mr. Carlos Alberto Mattioli
Quantum Plus, LLCPetitionerMs. Jane Langdell Robinson
Megan Richardson
Ms. Barbara DePeña
Mr. Carlos Alberto Mattioli
Mr. John C. Dunne
Texas Medical AssociationAmicus CuriaeMs. Kelly M. Walla
Mr. Eamon J. Reilly
Hospital Internists of Austin, P.A.RespondentMs. Shawna Dalrymple
Ashley Todd
Ms. Lorinda Gayle Holloway
Danielle Gilbert
Mr. Nicholas Adam Pugh
Hospital Internists of TexasRespondentAshley Todd
Ms. Shawna Dalrymple
Ms. Lorinda Gayle Holloway
Danielle Gilbert
Mr. Nicholas Adam Pugh
Texas APN, LLCRespondentMs. Lorinda Gayle Holloway
Mr. Nicholas Adam Pugh
Ms. Shawna Dalrymple
Ashley Todd
Danielle Gilbert
Court of Appeals Information:
Affirm/Rev & Rend in par 
736 SW3d 72, 02-07-25 
3rd Court of Appeals 
Honorable Chari Kelly 
Trial Court Information
419th District Court 
Travis 
Honorable Catherine A. Mauzy 
D-1-GN-19-007224