Our Mission is to provide innovative diagnostic services empowering healthcare choices to improve lives. Lavaca Primary Health System Management Services places the needs of physicians and their patients at the center of everything we do.

Our labs provide testing targeted to personalized medicine in Genomics, Toxicology (and molecular coming soon). The future of diagnostic testing in healthcare focuses on precision medicine designed to proactively identify potential patient conditions.

We act with integrity and honesty throughout our professional lives. Lavaca Primary Health System has a compliance plan that meets regulatory and industry standards of conduct.


We are focused on physicians and healthcare providers.

Our patients are individuals proactively improving their life by making informed healthcare choices. Basically well-informed healthcare consumers seeking personalized laboratory testing services to make informed choices that improve their health status.

We provide easy access to our LIS portal and several laboratory web sites.
donovan brown

Jefe Se Mueve Owner/CEO

Donovan R. Brown is self-starting entrepreneur that has multiple businesses and investments that he is conglomerated with. He received his Bachelor of Science degree in Business Administration with a minor in Management in 2007 from the University of West Alabama. Mr. Brown also has a Pharmacology Certification from Harvard Medical School in 2019. Donovan has over 17 years of Business Management, Operations, Sales, and Marketing.

Donovan became a Pharmaceutical Sales Representative in 2013 and was very successful. In the midst of him meeting different Physicians and seeking other ideas to continue to grow his business, he had an opportunity to invest in his first medical labs. Mr. Brown’s extraordinary knowledge of business, along with his “how to get the job done” mentality has opened many avenues and linked him with various opportunities; therefore, growing his business to higher statures.

Donovan is now the CEO of 3 Medical Labs: 1.) “Axiom” located in Tulsa, Oklahoma

2.) “Specialties” located in Milwaukee, Wisconsin 3.) “Dynasty Diagnostics” which is located in Houston, Texas. Mr. Brown has also made a name for himself in the hospitality market as well. He is the owner of 2 Hilton Brand Hotels Properties.

Mr. Brown is a man that believes in helping and giving back to the community. He was a recipient of the “Most Outstanding Business Marketing Award” and has made annual donations to non- profit organizations.

Reginal N. Vines

In 2017, co-owner and business tycoon Reginal N. Vines founded Lavaca Primary and its subsidiary, the newly formed Lavaca Medical Management Services.

The name “Lavaca”, which Reginal holds very dear to him, was derived from a small town in West Alabama where the Vines settled as Sharecroppers in the early 1900s.

Mr. Vines has partnership and stake in many successful business operations including a Healthcare Marketing Company, a Medical Management Company, a Hip Hop Night Club, a clothing store, a Tech Start-up Business, a property Management Firm, a Commercial & Residential Holding Company, four Medical Labs and Various Housing & Apartment complexes.

Vines also manages fifty percent (50%) of four Medical Labs located in Tulsa, Oklahoma Milwaukee, Wisconsin and two in Pearland Texas.

With all the fruits that Mr. Vines has reaped, the company’s mission truly lives up to what it states; “God has a purpose for your pain, a reason for your struggles and a reward for your faithfulness. Don’t give up.” Mr. Vines is focused on building generational wealth and holds his team at a higher standard to do so. Schedule your meeting to discuss your next venture with Mr. Vines today!

reginal vines
Charles Darcy

Charles Darcy

Lavaca Medical Management Services

Compliance Officer and Administrative Officer

Charles Darcy has extensive experience as a medical technologist , laboratory director, compliance officer, COO and CEO of multiple health care organizations. His duty is to serve our patients, physicians and leadership team. He earned a Bachelors degree in Clinical Laboratory Science and a Masters in Healthcare Administration. His credentials include MT(ASCP), Florida Laboratory Supervisor license and he is also a Fellow in the American College of Healthcare Executives (FACHE). Charles has performed management and consultant work for laboratories in the Netherlands, Singapore and China as well as the USA. He now oversees our laboratory facilities in Houston, Milwaukee and Tulsa.

Ann Cleveland

Lavaca Medical Management Services

Chief Executive Officer

Ann Cleveland is a graduate of University of Bridgeport, CT in 2004 in Business Management. Ann is the Chief Operating Officer at Lavaca Medical with an extensive background in operations, and marketing. She has led management multiple teams with focus on operations, sales, and production. Mrs. Cleveland joined Lavaca Medical in 2018 as the office manager. After just two years she was promoted to Chief Operating Officer. As the COO she oversees the logistic management division for operations in Houston, TX, Tulsa, OK, Milwaukee, WI. Mrs. Cleveland provides substantial strategic directions for Lavaca Medical workforce and budget. Ann is a powerful force in the workplace she uses her positive attitude with tireless energy to encourage others to work hard and succeed.


We believe that compassion should be the driving force for healthcare today. We are a committed partner with health care providers to offer high quality diagnostic services.

We know you have other choices in the laboratory industry. Let us know how we’re doing and how we can improve.
Whether its national accreditation, state licensing or proficiency testing, checks and balances are in place to ensure result accuracy.
Professionals in Action
We’ve got expertise and experienced individuals here every day that are focused on getting results.