A Sole Proprietor for NPI, or National Provider Identifier, is a specific type of business ownership structure in the healthcare industry. It refers to a healthcare provider who operates their practice as an individual and has their own NPI number assigned by the Centers for Medicare and Medicaid Services (CMS). This structure allows healthcare professionals to provide services and bill insurance companies or government programs directly under their individual NPI. Keywords: Sole proprietor, NPI, healthcare provider, business ownership structure, individual practice, NPI number, Centers for Medicare and Medicaid Services (CMS), healthcare professionals, insurance companies, government programs. There are various types of Sole Proprietors for NPI, which include: 1. Medical Doctors (MDs) or Physicians: These are licensed professionals who provide healthcare services directly to patients. They can operate their own individual practices, bill insurance companies, and Medicare/Medicaid programs using their NPI. 2. Dentists: Dental professionals who own and operate their own dental practices can also be classified as Sole Proprietors for NPI. They bill insurance companies and government programs for the dental services they provide. 3. Chiropractors: Chiropractors who run their own practices and deliver chiropractic care to their patients independently fall under this category. They bill insurance companies and government programs using their unique NPI. 4. Psychologists and Therapists: Mental health professionals such as psychologists, therapists, or counselors who work independently and provide therapeutic services to their clients can also be considered Sole Proprietors for NPI. 5. Optometrists: Optometrists who own and operate their own optometry clinics and provide eye care services directly to patients are another example of Sole Proprietors for NPI. 6. Alternative Medicine Practitioners: Healthcare providers in alternative medicine fields, such as naturopaths, acupuncturists, or homeopaths, who have their own practices and bill for their services using their NPI, are also considered Sole Proprietors. In summary, a Sole Proprietor for NPI is a healthcare provider who operates as an individual and has their own National Provider Identifier assigned by CMS. This ownership structure applies to various healthcare professionals like medical doctors, dentists, chiropractors, psychologists/therapists, optometrists, and alternative medicine practitioners. They handle their billing and insurance claims independently under their individual NPI numbers.