Dina R. Petrutsas, CPA

CEO/Managing Partner

Dina earned a Bachelor of Business Administration degree in Accounting from Texas State University. She has been practicing as a licensed Certified Public Accountant in the State of Texas for over thirty years. Dina began her career at Ernst & Young (formerly Ernst & Whinney) as Tax Accountant for a diverse group of clients before serving as Controller for two primary care group practices in San Antonio and for a medical management consulting company.


Dina then went on to own and operate a public accounting practice for thirteen years in which she specialized in financial accounting and taxation for a variety of physician clients. Dina added to her already extensive experience in healthcare by serving for seven years as CFO of a medical practice with six locations and over 40 employees.

Dina is a member of the UTHSCSA Planned Giving Advisory Council, Medical Group Management Association (MGMA), Texas Medical Group Management Association (Texas MGMA), San Antonio Medical Group Management Association (SAMGMA), Healthcare Think Tank, The Health Cell, Texas Society of CPAs, San Antonio Chapter of CPAs, and National Association of Women Business Owners (NAWBO). She also serves as the Entrepreneurial Connections Committee Co-Chair for the NAWBO San Antonio Chapter, whose mission is to mentor teen girls to explore entrepreneurship. Dina has also held board positions for various local PTAs since 1996.


Dina is very dedicated and passionate about her accounting career and abides by the highest professional standards and work ethics.

Tom Tidwell, CMPE

Chief Operations Officer

Tom received his Master of Arts degree in Health Services Management from Webster University and Bachelor of Arts and Sciences degree from Southwest Texas State University. He retired from the U.S. Air Force in 1992 and then began his second career as Chief Operating Officer of a large emergency medicine group in San Antonio. Tom has managed hospital-based and office-based medical practices with as many as 50 physicians when with the emergency medicine group.


His expertise as a Practice Administrator across multiple specialties includes human resources, revenue cycle, insurance contracting and negotiation, credentialing, staffing, physician recruitment, and marketing. Tom is proficient in developing policies and procedures, implementing process improvements, and project coordination.

Tom earned the designation of Certified Medical Practice Executive (CMPE) in 2004. Tom is a long-time member of the Medical Group Management Association (MGMA), Texas Medical Group Management Association (Texas MGMA), San Antonio Medical Group Management Association (SAMGMA), and Air Force Association. He has served as a Board member with the San Antonio Medical Group Management Association as well as serving on numerous committees.


Tom has a very strong moral compass and strong beliefs in ethics, honesty, and integrity.

W.P. “Rick” White, MBA, FACMPE

Management Consultant

Rick White, MBA, FACMPE, serves Concordis Practice Management’s team of consultants, specializing in the areas of operations management, human resources, process flow and revenue enhancement.  With 30 years of healthcare administration experience with both large multi-specialty practices and hospital based practices, he can provide support to organizations in the areas of operations management, process flow, cost-efficiencies, employee morale and patient-centered team spirit.


Prior to working with Concordis, Mr. White served as Administrator of large multi-specialty practices with several locations.  Moving to San Antonio, Texas from Nashville, Tennessee, he served as CEO of the Diagnostic Clinic of San Antonio and also held the position of Secretary/Treasurer of Quality Care Network (QCN).  Later he transitioned to MedaPhase, Inc., as CEO until its merger with PracticeMax.  Mr. White served as its President until 2012 when he became Executive Director for the Greater San Antonio Emergency Physicians, PA.

He has grown practices through mergers and acquisitions as well as organic growth in communities to best serve the needs of patients.  Beyond group practice administration Mr. White has developed MSO’s and IPA’s to help provide structures with significant critical mass and resources in order to best serve patients, hospitals, physician practices and insurance companies alike with better communication and efficiencies.


Mr. White has a Bachelor of Science degree with a double major in Business Administration and Psychology from the University of North Texas, a Master of Business Administration degree from Texas A&M at Commerce and a Healthcare Financial Management Degree from Southern Methodist University.

He is a Fellow in the American College of Medical Practice Executives and is a past MGMA Tennessee state president.  He has served on a number of advisory boards for start-up companies.

Regina Solorio, CPC

Medical Coder

Regina is a Certified Professional Coder (CPC) and Billing Specialist with over 15 years of experience in the healthcare field. She earned her Associates Degree in Business Administration and Certified Medical Office Specialist. In addition, she received her CPC Certification from American Academy of Professional Coders (AAPC).

Her expertise is diverse and includes billing specialization and coding in various specialties including Orthopedic and Sports Medicine, Pediatrics, and General Surgery. Regina began her journey as a billing specialist for HCP Consulting Services in San Antonio, Texas. She was personally responsible for accounts receivable management, and primary and secondary claims for several physician clients.

Before joining Concordis, Regina was a coder with Methodist Physicians HCA where she reviewed and coded cardiology, general surgery, and psychology charges.


Regina maintains her motivation for her work by striving to be a team-oriented professional. Her exceptional organizational skills allow her to quickly adapt to the ever changing healthcare industry. Always ahead of the learning curve, Regina makes a valuable addition to the Concordis Practice Management team.

Novella Jones Ousley, CPC

Medical Coder

Novella is an AAPC Certified Professional Coder with over twenty years of medical collections and coding experience. Her coding expertise is wide reaching and includes primary care as well as multiple specialties in outpatient and inpatient settings. Novella began her career as Collections Specialist at Bee County Regional Medical Center before serving as Coder and Claims Specialist for a number of practices.


In 2006, Novella assumed the role of Coding/Documentation Trainer for Healthcare Resolution Services Inc. In this role, Novella provided education to both doctors and other healthcare personnel at Lackland Air Force Base in proper documentation as a means to improve provider accuracy. In 2010, Novella moved to University of Texas Health Science Center San Antonio where she served as Medical Coder. In this capacity, Novella coded all diagnoses, procedures, and HCPCS codes for multiple specialties. She also served as a member of the UTHSCSA EPIC Edit Review Committee to ensure the necessity of various edits and reviews generated by computer software.

Most recently, Novella worked as Medical Coder at South Texas Veteran Healthcare System where she coded numerous outpatient medical services, including anesthesiology and pathology. She also provided coding guidance to various medical personnel to ensure maximum charge capture and educate staff.


Novella is an exceptional speaker and educator who specializes in training doctors and healthcare staff in proper medical records documentation. She is highly proficient in all coding regulations and guidelines as well as Medicare and Medicaid claims procedures.


Novella has a tremendous sense of integrity and strives for a high level of accuracy.

Meagan Garcia

Billing Supervisor

Meagan Garcia joins Concordis Practice Management as a Billing Specialist. Meagan has six years of medical billing experience; which includes processing medical billing claims, posting payments to patient accounts, performing insurance verification and eligibility, and working denials and appeals. She is experienced with AdvancedMD, Amazing Charts, and MOMS, and can easily learn any practice management system’s billing software.


Before joining Concordis, Meagan was the Billing Team Lead Specialist at a General Surgery practice in San Antonio. Meagan was in banking prior to making the transition to medical practice billing, which gives her the attention-to- detail skills necessary for medical billing.

Meagan meets with our billing clients periodically to review account activity with the practice’s leadership.  She focuses on ensuring the client’s collections meet the expected payment for each payer.  She makes a nice addition to the medical practice’s team that she serves.


Meagan enjoys medical billing because of the variety of issues she faces every day, whether communicating with the physician, their staff, or their patients.  Meagan is tenacious when it comes to solving medical billing claims issues.

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