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Billing Manager

Medical Billing & Consulting

Denise Garrett is a billing manager with more than 20 years of medical billing experience. She is a Certified Professional Coder with expertise in the coding of diagnoses, services, and procedures for physician practices. Her expertise benefits medical practice clients throughout Michigan. She is a member of the firm’s Healthcare Services Group. Denise is a former member of the American Academy of Professional Coders Chapter Association (AAPCCA) national board of directors. 


  • Specializations in the coding of diagnoses, services and procedures for physician practices, clinics and third-party payors
  • Application of CPT® and HCPCS procedure and supply codes and ICD-10 diagnosis codes used for billing professional medical services to insurance companies
  • Business needs for healthcare entities including operational efficiencies, staff training and technology
  • Compliance with government laws, regulations, rules, and guidelines
  • Revenue cycle management
  • Medical audits

Professional Certifications and Education

  • Certified Physician Practice Manager (CPPM®)
  • Certified Professional Compliance Officer (CPCO™)
  • Certified Professional Medical Auditor (CPMA®)
  • Certified General Surgery Coder (CGSC)
  • Certified Professional Coder (CPC)
  • Certified Outpatient Coder (COC)
  • Certified Inpatient Coder (CIC)
  • Certified Emergency Department Coder (CEDC)
  • Certified Surgical Foot & Ankle Surgical Coder (CSFAC)
  • Certified Professional Biller (CPB®)

Professional Memberships

  • American Academy of Professional Coders (AAPC)
  • American Academy of Professional Coders Chapter Association (AAPCCA) national board of directors
  • National Alliance of Medical Auditing Specialists (NAMAS)
  • American Association of Medical Coding Professionals (AAOMCP)

Community Involvement

  • Aaron’s Gifts from Home