High-Volume Medical Marijuana Doctors in Arkansas Show Little Evidence of Coordinating Patient Care

In Arkansas, 12.5% of licensed physicians certified 3.4% of adults for medical marijuana within two years, with seven high-volume doctors (1,000+ certifications each) showing minimal contact with the patients they certified.

Thompson, Joseph W et al.·Health affairs (Project Hope)·2025·Moderate EvidenceCross-Sectional
RTHC-07792Cross SectionalModerate Evidence2025RETHINKTHC RESEARCH DATABASErethinkthc.com/research

Quick Facts

Study Type
Cross-Sectional
Evidence
Moderate Evidence
Sample
Not reported

What This Study Found

Medical marijuana was certified for 3.4% of Arkansans 18+ by 12.5% of state-licensed physicians. PTSD and four pain diagnoses were the most common qualifying conditions. Low-volume certifying physicians showed evidence of care coordination — most had seen and diagnosed patients with qualifying conditions. Seven high-volume physicians (1,000+ certifications each) showed limited prior contact with certified patients.

Key Numbers

3.4% of Arkansans 18+ certified. 12.5% of licensed physicians participated. 7 high-volume physicians: 1,000+ certifications each. Top qualifying conditions: PTSD and 4 pain diagnoses. Low-volume certifiers showed care coordination; high-volume did not.

How They Did This

Analysis of Arkansas medical marijuana certification data linked to physician practice records. Profiled certified individuals, qualifying conditions, and evidence of care coordination between certifying and primary care physicians.

Why This Research Matters

The disconnect between high-volume certifying physicians and their patients raises questions about quality of care. Medical marijuana certifications without proper evaluation may expose patients to risks and undermine the medical framework intended to guide cannabis use.

The Bigger Picture

As the federal government considers rescheduling marijuana from Schedule I to Schedule III, this study highlights the need for clinical guidelines, provider notification systems, and integration of medical marijuana certifications into health information exchanges.

What This Study Doesn't Tell Us

Arkansas-specific data may not generalize to other states. Administrative data cannot capture quality of clinical encounters. High-volume physicians may conduct thorough evaluations not reflected in prior claims data. Qualifying condition determination is complex.

Questions This Raises

  • ?Should medical marijuana certifications require documented prior clinical relationships?
  • ?Would integration into health information exchanges improve care coordination?

Trust & Context

Key Stat:
Evidence Grade:
Large state-level administrative dataset with comprehensive physician linkage, but cannot assess quality of actual clinical encounters.
Study Age:
2025 publication.
Original Title:
Arkansas Medical Marijuana Certifications: Higher-Volume Physicians Associated With Less Evidence Of Care Coordination.
Published In:
Health affairs (Project Hope), 44(3), 351-360 (2025)
Database ID:
RTHC-07792

Evidence Hierarchy

Meta-Analysis / Systematic Review
Randomized Controlled Trial
Cohort / Case-Control
Cross-Sectional / ObservationalSnapshot without intervening
This study
Case Report / Animal Study

A snapshot of a population at one point in time.

What do these levels mean? →

Frequently Asked Questions

How do doctors certify patients for medical marijuana?

This Arkansas study found most physicians who certify patients for medical marijuana in low volumes have established clinical relationships with their patients. However, seven high-volume doctors (1,000+ certifications each) showed little evidence of prior patient contact.

Is medical marijuana properly supervised by doctors?

This study raises concerns. While low-volume certifying physicians showed evidence of care coordination, high-volume certifiers demonstrated limited contact with patients. The authors recommend integrating certifications into health information exchanges to improve oversight.

Read More on RethinkTHC

Cite This Study

RTHC-07792·https://rethinkthc.com/research/RTHC-07792

APA

Thompson, Joseph W; Martin, Brad; Goudie, Anthony; Stanley, Nichole; Noori, Katerina; Hudson, Teresa. (2025). Arkansas Medical Marijuana Certifications: Higher-Volume Physicians Associated With Less Evidence Of Care Coordination.. Health affairs (Project Hope), 44(3), 351-360. https://doi.org/10.1377/hlthaff.2024.00380

MLA

Thompson, Joseph W, et al. "Arkansas Medical Marijuana Certifications: Higher-Volume Physicians Associated With Less Evidence Of Care Coordination.." Health affairs (Project Hope), 2025. https://doi.org/10.1377/hlthaff.2024.00380

RethinkTHC

RethinkTHC Research Database. "Arkansas Medical Marijuana Certifications: Higher-Volume Phy..." RTHC-07792. Retrieved from https://rethinkthc.com/research/thompson-2025-arkansas-medical-marijuana-certifications

Access the Original Study

Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.

This study breakdown was produced by the RethinkTHC research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.