American College Of Surgeons - Inspiring Quality: Highest Standards, Better Outcomes

Eligible Provider Types

Who can participate in Medicare?

The table below lists physicians, NPPs, and other suppliers who can enroll as Medicare Part B participating providers.

Provider Types Eligible for Medicare Participation

Physicians, NPPs, Suppliers

Clinics, Group Practices, Other Suppliers

Anesthesiology Assistants


Certified Nurse-Midwives

Certified Registered Nurse Anesthetists

Clinical Nurse Specialists

Clinical Psychologists

Clinical Social Workers

Mass Immunization Roster Billers

Nurse Practitioners

Physical/Occupation Therapists 

Physicians (Doctors of Medicine, Osteopathy, Dental Medicine, Dental Surgery, Podiatric Medicine, Optometry)

Physician Assistants

Registered Dietitians or Nutrition Professionals

Speech-Language Pathologists

Ambulance Service Suppliers

Ambulatory Surgical Centers

Clinics/Group Practices

Hospital Departments

Independent Clinical Laboratories

Independent Diagnostic Testing Facilities

Intensive Cardiac Rehabilitation Suppliers

Mammography Centers

Mass Immunization Roster Billers

Part B Drug Vendors


Physical/Occupational Therapy Groups

Portable X-ray Suppliers

Radiation Therapy Centers