Join our physician buying group

Become a member of CASA, a physician GPO (group purchasing organization), and receive discount pricing on vaccines and other products. Physicians’ memberships are free.
Medical GPO | Discount Vaccine | Free Physician Group Buying Membership | Physician Buying Group

CASA is a large multi-specialty physicians buying alliance. Membership includes several thousand providers and many medical groups with physicians whose specialized fields of medicine include:
  • Pediatrics
  • Family Practice
  • Internal Medicine

  • Allergy
  • OB/GYN
  • Multi-Speciality

Medical GPO | Discount Vaccine | Physician Buying Group

Discount vaccines

Our members enjoy significant savings on
adolescent/pediatric vaccines and adult vaccines
from Sanofi, Merck, and Pfizer's MenB vaccine,  Trumenba.

Medical GPO | Discount Vaccine | Medical Supplies | Physician Buying Group
Medical GPO | Discount Vaccine | Free Physician Buying Group Membership | Physician Buying Group

Medical GPO | Discount Vaccine | Discound Medical Office Supplies | Physician Buying Group

Meet our vendor partners

Join CASA and save when you purchase vaccines from Sanofi, Merck, Pfizer and medical/surgical supplies from VaxServe as well as office supplies from Office Depot. There are also additional benefits from our Saving Center partners found on the ONE STOP SHOP page.