MD: Physician-Led Integration in Multidisciplinary Care

Dr. Maria Cardenas, MD: Physician-Led Integration Elevates Chiropractic, Regenerative & Hormone Care in El Paso

Patients recovering from car accidents, work injuries, or chronic conditions like sciatica and disc herniations often face a frustrating reality: fragmented care spread across multiple offices, incomplete records, and treatments that address symptoms but miss underlying factors such as hormonal imbalances or metabolic issues slowing healing. Attorneys representing personal injury and VA clients need defensible, objective documentation that demonstrates medical necessity and coordinated progress.

At Injury Medical Clinic PA in El Paso, Texas, a true multidisciplinary model solves these gaps. Board-Certified Internal Medicine specialist Dr. Maria Cardenas, MD (NPI #1164426749, Texas MD License #J2933) serves as Medical Director and Collaborative Physician, providing the physician oversight that anchors safe, compliant integration of chiropractic, physical therapy, massage, nurse practitioner services, and advanced regenerative and hormone therapies.

This is not a loose affiliation—it is a structured, Texas-law-enabled collaboration designed for better access, coordinated outcomes, and ironclad professionalism.

Why Texas Law Supports This Integrated Model

Texas legislators intentionally created pathways for physicians, chiropractors, and advanced practice registered nurses to work together in shared entities while preserving strict scope-of-practice boundaries and physician authority over medical decisions.

The key statute, Texas Business Organizations Code § 301.012, authorizes physicians (MD/DO), podiatrists, and chiropractors to jointly form and own professional associations (PAs) and professional limited liability companies (PLLCs) for services within each practitioner’s licensed scope. Senate Bill 679 (85th Legislature, 2017), signed by Governor Greg Abbott and effective immediately, explicitly added chiropractors to this framework, removing prior barriers.

Legislative intent was clear and practical:

• Improve patient access in underserved areas and reduce care fragmentation for conditions like back pain and musculoskeletal injuries.
• Enable team-based efficiency—shared infrastructure, streamlined operations, and complementary expertise (DCs for neuromusculoskeletal care, MDs for broader medical oversight).
• Maintain safeguards: Each practitioner’s clinical authority remains limited to their scope; no one controls another’s diagnostic or treatment decisions through bylaws, finances, or incentives.
• Support evolving healthcare delivery without compromising the core Corporate Practice of Medicine doctrine that protects the physician-patient relationship.

For nurse practitioners, integration occurs through formal Prescriptive Authority Agreements (PAAs) and delegation protocols under Occupations Code Chapter 157 (modernized by SB 406 in 2013). This model requires structured collaboration—monthly meetings, written protocols, quality assurance reviews—while the physician retains ultimate responsibility for medical acts.

The result at our clinic: A DC-owned PA can legally incorporate NP services and advanced medical modalities because Dr. Cardenas provides the required Medical Director and collaborative anchor. This fulfills the legislature’s goal of accessible, safe, interdisciplinary care without expanding any profession’s scope or allowing lay control over clinical judgment.

Dr. Maria Cardenas, MD: Four Decades of Internal Medicine Excellence Guiding the Team

With more than 44 years of practice and deep roots in El Paso, Dr. Cardenas brings Board Certification in Internal Medicine, extensive training in endocrinology, cardiology, geriatrics, and preventive medicine, and a philosophy centered on compassionate, evidence-based, whole-person care. She earned her MD from the Autonomous University of Guadalajara School of Medicine in 1982 and has long coordinated care across specialties while mentoring providers and upholding rigorous standards.

In her role as Medical Director and Collaborative Physician, Dr. Cardenas:

• Oversees medical protocols, quality improvement, and compliance for all medically directed services.
• Collaborates closely with Dr. Alexander Jimenez, DC, APRN, FNP-BC, and the broader team on complex cases involving chronic pain, post-injury recovery, hormone optimization, and regenerative therapies.
• Reviews and refines delegation protocols to ensure NPs operate safely within their scope, while she remains available for consultation on medical decision-making.
• Mentors staff, fosters interdisciplinary communication, and supports the cultural sensitivity needed for El Paso’s diverse patient population.
• Ensures that systemic factors—thyroid dysfunction, adrenal stress, metabolic imbalances, or inflammatory drivers—are identified and addressed because they directly impact musculoskeletal healing and functional restoration.

Her presence transforms what could be a traditional chiropractic or physical medicine setting into a genuine integrative medical home where structural corrections and systemic optimization happen in a coordinated fashion.

The Multidisciplinary Team and Advanced Therapies Delivered with Oversight

Patients benefit from seamless, one-location care that includes chiropractors, physical therapists, massage therapists, and nurse practitioners—all under Dr. Cardenas’s medical directorship for the medical components.

Core structural and rehabilitative services include chiropractic adjustments and spinal decompression for disc herniations, sciatica, whiplash, and posture-related pain. Physical therapy and massage address soft-tissue restrictions and functional restoration.

Modern adjunctive modalities accelerate healing and reduce inflammation: therapeutic ultrasound for deep tissue effects, MLS laser therapy (photobiomodulation) for cellular repair and pain relief, and genuine extracorporeal shockwave therapy (ESWT) for chronic tendinopathies, calcifications, and stubborn post-traumatic pain. These are integrated with regenerative approaches to achieve a synergistic effect.

Regenerative therapies such as platelet-rich plasma (PRP), platelet-rich fibrin (PRF), and related advanced platelet preparations, as well as micro-fragmented adipose tissue (MFAT), deliver concentrated growth factors and cellular elements to injured joints, tendons, ligaments, and spinal structures. When clinically indicated, image-guided epidural spinal injections provide targeted anti-inflammatory relief for radicular symptoms. All interventional and medical aspects occur with appropriate oversight, imaging guidance, and documentation.

Bioidentical hormone replacement therapy (BHRT) and thyroid optimization form another pillar. Many post-injury and chronic-pain patients experience fatigue, poor tissue repair, mood changes, or slowed recovery linked to hormonal shifts. The team offers personalized support for estrogen, progesterone, testosterone, and thyroid hormone (including T4-to-T3 optimization strategies) after a thorough evaluation.

Data-Driven Safety: Professional Lab Monitoring That Exceeds Expectations

Safe, effective hormone optimization and regenerative care demand more than basic labs. The clinic utilizes comprehensive, CLIA-certified panels that provide the granular data required for responsible prescribing and monitoring—aligning with Texas Medical Board expectations and best practices for patient safety.

Examples of the detailed testing employed include:

• Comprehensive female hormone saliva panels measuring estrone (E1), estradiol (E2), estriol (E3), progesterone, testosterone, cortisol, DHEA, and melatonin, with reference ranges tailored to menopausal status and bioidentical therapy type (topical, troche, etc.). These distinguish bioidentical from synthetic hormones and guide precise dosing and ongoing adjustment.
• Male hormone and metabolic panels assessing total and free testosterone, estradiol, SHBG, DHEA-S, PSA (prostate safety), FSH, LH, IGF-1, full thyroid (TSH, free T3, free T4), comprehensive chemistry (glucose, electrolytes, kidney and liver function), lipids, and ferritin. These identify issues such as high SHBG lowering free testosterone, metabolic risks before initiating therapy, or thyroid conversion problems common in chronic inflammation and stress.

Baseline panels establish objective starting points before BHRT, regenerative injections, or intensive rehab. Serial monitoring tracks response, allows titration, catches potential concerns early, and creates a clear, defensible record of medical necessity and progress—precisely the documentation personal injury attorneys and VA reviewers value.

This level of laboratory rigor demonstrates that the clinic goes well beyond minimal standards, prioritizing root-cause insight and long-term safety.

Sample Lab Report

Clinical Observations from Dr. Alexander Jimenez: Bridging Chiropractic and Functional Medicine

Dr. Alexander Jimenez, DC, APRN, FNP-BC, CFMP, IFMCP (with over 35 years as a chiropractor and extensive certifications in functional medicine), has treated thousands of patients with thyroid- and hormone-related challenges and musculoskeletal injuries. His observations consistently show that isolated structural treatments often underperform when systemic factors—hormonal imbalances, nutrient deficiencies, or autonomic dysregulation—remain unaddressed.

Dual licensure allows him to seamlessly integrate chiropractic expertise with advanced clinical assessment and management within the collaborative framework. Patients frequently experience faster functional gains, improved energy, better sleep, and reduced pain when spinal decompression or adjustments are paired with targeted hormone optimization and regenerative support. For VA and personal injury cases, the combined structural, functional, and medical documentation strengthens continuity-of-care narratives and supports requests for ongoing or escalated treatment.

Compliance, Trust, and Why Attorneys and Patients Choose This Model

Every element of this integrated practice is built on Texas regulatory compliance: TBCE oversight for chiropractic services, Board of Nursing requirements for APRN delegation and practice, Texas Medical Board standards for medical direction and prescriptive authority, and DEA expectations where controlled substances or certain procedures apply.

Dr. Cardenas’s role as Medical Director fulfills the physician-oversight mandate while Dr. Jimenez and the clinical team execute within their respective scopes. Formal protocols, documented quality reviews, and clear delineation of responsibilities protect patients and create transparent, board-auditable records.

For attorneys, this translates into reliable, objective findings; coordinated progress notes across disciplines; and defensible support for causation, medical necessity, and future care needs in MVA, premises liability, or VA claims. For patients, it means convenient, hope-filled care that addresses the whole person—structure, hormones, inflammation, and function—without the risks of fragmented or unsupervised approaches.

Experience the Difference of Physician-Anchored Integrative Care

When you or your clients need more than adjustments or isolated injections—when recovery depends on coordinated structural repair, regenerative healing, and optimized internal physiology—the team at Injury Medical Clinic PA provides this care under the steady medical directorship of Dr. Maria Cardenas, MD, in close collaboration with Dr. Alexander Jimenez and the full multidisciplinary staff.

From spinal decompression and shockwave to PRP/MFAT and precisely monitored bioidentical hormones, every service is delivered with scope integrity, rigorous data, and genuine teamwork. This is integrative care done responsibly, compliantly, and effectively in El Paso.

Contact Injury Medical Clinic PA today to schedule a comprehensive evaluation and discover how physician-led integration can accelerate your recovery or strengthen your client’s case.

References

85th Texas Legislature. (2017). Senate Bill 679: Relating to the authority of chiropractors to form certain business entities with certain other professions. Texas Legislature Online. https://capitol.texas.gov/tlodocs/85R/billtext/html/SB00679I.htm

ByrdAdatto. (2017, June 9). Texas removes barrier to physician-chiropractor integrated practices. https://byrdadatto.com/banter/texas-removes-barrier-physician-chiropractor-integrated-practices/

Injury Medical Clinic PA. (n.d.). Dr. Maria Cardenas, MD (Board Certified Internal Medicine Specialist). https://dralexjimenez.com/dr-maria-cardenas-md-board-certified-internal-medicine-specialist/

Injury Medical Clinic PA. (n.d.). Injury specialists. https://dralexjimenez.com/

Texas Business Organizations Code § 301.012. (n.d.). Provisions relating to professional entities. https://statutes.capitol.texas.gov/docs/bo/pdf/bo.301.pdf

Access Medical Laboratories. (n.d.). S59 sample report [Comprehensive female hormone panel]. https://amlcdn.accessmedlab.com/prod/client/assets/pdf/S59_Sample_Report.pdf

Access Medical Laboratories. (n.d.). Revive male sample report. https://amlcdn.accessmedlab.com/prod/client/assets/pdf/Revive_male_sample_report.pdf