Mariann F. Cosby DNP, MPA, RN, PHN, CEN, NE-BC, LNCC, CCM, CLCP, MS, MFC Consulting
PO Box 601862 Sacramento, CA 95860
(916) 505-0446 - Alt. Phone: (916) 974-1222
Primary Area of Expertise
Nursing
Expert Witness Profile
RN for 45 years; Certified: Life Care Planner, Legal Nurse Consultant, Emergency
Nurse, Case Manager, Medicare Set-aside, & Nursing Administration. Over 32
years of experience as a nurse consultant and expert witness. Services include: medical
record analysis and case evaluation regarding adherence to or deviation from the
standard of care; provide evaluations and litigation support including literature research,
comprehensive medical record chronologies, and written affidavits/declarations. Case
management, Life Care Planning and Medicare Set Asides services include care coordination, estimating lifetime medical costs for catastrophic events and chronic
conditions, medical/future cost projections, and past bill analysis for reasonable value.
Acute care expertise includes 32 years: Emergency, Trauma, Critical Care, Pediatrics,
Medical-Surgical, and Geriatric nursing providing direct patient care as a staff nurse,
supervisor, and clinical nursing instructor. Public health expertise includes School
Nursing, Special Needs and Disabilities, and Chronic Disease. Correctional healthcare
expertise includes 10 years of clinical investigation and litigation risk management.
Education & Licenses
DNP, MPA, RN, PHN, CEN, NE-BC, LNCC, CCM, CLCP, MSCC, CSN, FAEN