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Department and Faculty

From the Program Director

If your interests lie in quality residency training,Cassia Griswold, PharmD, BCOP breakthrough clinical research, and an interdisciplinary team approach to medicine, you will find the PGY-2 Pharmacy Residency in Oncology at Mayo Clinic Hospital — Arizona to be a highly rewarding professional and personal experience.

Our core value, along with Mayo Clinic’s three shields - patient care, education, and research - form the foundation of our program. Throughout the residency, your oncology and hematology knowledge will be refined through participation in interdisciplinary rounds, direct patient care, and a rigorous curriculum. Your growth as a clinician will be further supported by the vast number of clinical, research, and educational resources available to you.

Our clinical pharmacists and preceptors are passionate about what they do, from providing compassionate patient care to focused training of our residents and students. Your preceptors will support you during your journey by helping you enhance your clinical skills and tailoring the residency to meet your needs.

A PGY-2 residency is a yearlong commitment to ongoing professional growth in your specialized area of practice. Our goal is to provide a learning environment that promotes innovation and excellence. I encourage you to further explore our website and contact me with questions about our PGY-2 oncology residency.

Cassia Griswold, PharmD, BCOP
Program Director
PGY-2 Pharmacy Residency in Oncology at Mayo Clinic Hospital in Arizona

Pharmacy services (Arizona)

Mayo Clinic is the first and largest integrated, not-for-profit medical group practice in the world. Every year more than 1.3 million people from all 50 states and nearly 150 countries come to Mayo Clinic, where the primary value is "the needs of the patient come first."

Mayo Clinic is consistently recognized on U.S. News & World Report's Best Hospitals list as one of the best hospitals in the nation.

Mayo Clinic's campus in Phoenix, Arizona, is ranked the No. 1 hospital in Arizona and is nationally ranked in 10 medical specialties. Mayo Clinic Hospital — Arizona, on the Phoenix campus, is the first hospital planned, designed and built by Mayo Clinic. Completed in the fall of 1998, the hospital is designed to deliver high-quality inpatient medical care in an efficient and friendly environment.

Pharmacy services provided include:

  • Central pharmacy distribution
  • Clinical pharmacy decision-support software
  • Collaborative practice agreements
  • Computerized intravenous admixture and unit dose dispensing
  • Decentralized clinical pharmacy practice
  • Drug information services
  • Infusion therapy center
  • In-service education and other scholarly activities
  • Investigational drug studies
  • Medication reconciliation
  • Medication therapy management and specialty clinic ambulatory care services
  • Outpatient distribution
  • Patient education programs
  • Perpetual inventory control
  • Pharmacokinetic monitoring and management
  • Pharmacy informatics and technology support
  • Pharmacy, therapeutics and formulary committee support
  • Sterile and nonsterile compounding

Dedicated preceptors

Dedicated preceptors provide direct patient care in virtually every specialty area and are actively involved in resident teaching and other scholarly activities. The preceptors come from diverse backgrounds and share numerous years of experience, clinical knowledge and research interests. You have direct access to these and many other mentors to optimize the learning experience.

All residency program preceptors meet the qualifications outlined by ASHP.

Practice areas

A broad range of pharmacy practice work areas are available at one of the world's preeminent medical institutions. Whether your interests lie in inpatient medication management and monitoring or outpatient services and consultation, you are afforded countless learning and teaching opportunities in a resource-rich environment.


Mayo Clinic Hospital — Arizona is composed of the 316-bed, seven-story hospital with 21 operating suites and an ER. In the hospital environment, pharmacists work collaboratively with the interdisciplinary health care team to optimize patient outcomes. Pharmacists, residents, and students are longstanding, integral members of a team that continually advances the pharmacy profession.


Mayo Clinic has a very large outpatient practice with care provided in virtually every specialty. Pharmacists support this large practice through multiple pharmacy locations, including primary practice, decentralized inpatient practices, clinical pharmacy specialists, and outpatient pharmacy services.