Making Specialty Pharmacy Support Seamless

EnvoyHealth acts as a flexible partner to deliver comprehensive specialty pharmacy management services.

Leveraging our industry experience, we meet the challenges of patient access through personal care and comprehensive management. We tailor our scalable approach to support manufacturers, hospitals, payors, providers, and more.

Our specialty pharmacy experts craft strategic fee-for-service solutions unique to each stakeholder’s brand-specific needs and timelines.

We listen, build, and deliver.


Atheer A. Kaddis, PharmD
Executive Vice President, Sales & Strategic Alignment

Atheer leads EnvoyHealth as executive vice president of sales and strategic alignment, his position with Diplomat since February 2016. He has also held other executive roles with the company since October 2007.

In his current role, Atheer leads strategic coordination of EnvoyHealth’s offerings for payors, hospitals, and other partners. In addition to managing several aspects of EnvoyHealth, he manages our strategy for payors and contributes to business planning. His operational acumen and understanding of areas with high growth potential further aide his in-depth knowledge of and key relationships in the specialty pharmacy industry.

Before joining Diplomat, he served for seven years as director of pharmacy services clinical at Blue Cross Blue Shield of Michigan. His responsibilities included formulary development, clinical program development, utilization management programs, specialty pharmacy programs, and pay-for-performance programs. He has also been a staff pharmacist at William Beaumont Hospital, a clinical oncology specialist at Grace Hospital, a clinical program manager for the Ford Motor Company account at Blue Cross Blue Shield of Michigan, and an associate director in clinical account management at Merck-Medco (now part of Express Scripts).

Jennifer Cretu
Senior Vice President, Pharma Services and Marketing

Jennifer manages pharma services for EnvoyHealth, which offers comprehensive programs to help manufacturers get their medications to market and in the hands of the patients who need them. She also oversees Diplomat’s marketing, public relations, and corporate communications.

Specializing in strategy and execution, Jennifer performs in roles that evolve as the company itself advances. Previously, she served as executive director of IT and later as vice president of IT and marketing, where she managed the departments’ streamlined operations and strategic planning, working to ensure they aligned and drove the organization’s business objectives.

Before joining Diplomat in December 2012, Jennifer served at as senior business manager of its pharmacy and vision division. There, she was accountable for the end-to-end business, managing products and services; customer experience; and cross-functional partnerships. Before this role, she served as business strategy manager in Hewlett-Packard’s Imaging & Printing Group. With HP, she managed the growth of the worldwide OEM business and was charged with developing business models and program portfolios, as well as directing contract negotiations.

Cretu received her primary degree from University of California–San Diego and her Master of Business Administration from the Paul Merage School of Business at University of California Irvine.

Mary Van Hoozer, MS
Senior Director, Hospital/Health Systems

Mary leads development and execution of strategies to support all hospital and health system clients. She tracks regional and national health care industry trends and ensures the delivery of innovative specialty pharmacy solutions, with a focus on outpatient pharmacy revenue optimization, 340B programs, and accreditation initiatives.

Mary previously served as business development manager of Specialty Pharmacy Programs at MedImpact Healthcare Systems Inc., where she developed the pharmacy benefit manager’s customized approach to managing clients’ specialty drug benefit and program design. Previously, she worked as a sales analyst at Cardinal Health, where she focused on supporting retail and health system pharmacy growth strategies.

Raeanna Lewarne, RPh, PharmD, BCPS
Director, Business Development

As director of business development, Raeanna oversees new EnvoyHealth initiatives in clinical research, pharmaceutical fee-for-service programs, and value-based services. She also provides critical support to clinical management.

Before joining EnvoyHealth, Raeanna was a clinical pharmacist at ProCare HospiceCare since 2009. In 2011, she was promoted to oversee a team of more than 25 pharmacists. She transitioned into leading the sales team in 2013. In 2015, Raeanna became president of the company. Raeanna also created Vital Healthcare Solutions in 2008, providing consultation for businesses with diverse areas of patient care, including Bristol-Myers Squibb and DaVita.

Raeanna received her Doctor of Pharmacy degree from the University of Colorado Health Sciences Center in 2007. She completed her post-graduate year-1 residency at the Hunterdon Medical Center in 2008.

Laurie Smith, CPhT
Associate Director, Pharmacy Services

Laurie has more than 15 years of pharmacy operations experience, including time in retail and hospital pharmacy. She also has a background in pediatrics.

Laurie has worked with the dialysis delivery program and aided in the operations and development of HIV, Oncology, and Multiple Sclerosis Centers of Excellence and order-entry teams.

As associate director of pharmacy services, Laurie oversees the daily operations of EnvoyHealth, ensuring efficient and effective operational process and procedures. Laurie is also responsible for the design and implementation of new EnvoyHealth programming.


Verified-Accredited Wholesale Distributors (VAWD®)
National Association of Boards of Pharmacy

The VAWD® program was developed to help protect the public from the threat of counterfeit drugs. This accreditation signifies that EnvoyHealth has implemented best practices, quality management and security to ensure safe drug distribution. EnvoyHealth headquarters provides enhanced security, temperature and humidity control, and a third-party logistics system with wholesale management capabilities.

Verified Internet Pharmacy Practice Sites (VIPPS®)
National Association of Boards of Pharmacy

The VIPPS® accreditation program indicates an online pharmacy’s compliance with state and federal laws and regulations. VIPPS® accreditation comes from the National Association of Boards of Pharmacy (NABP), an impartial professional organization that supports the state boards of pharmacy in creating uniform regulations to protect public health.