ACCC association of cancer care centers
Join/Renew
Login
Join/Renew
Login
Education & Resources
ACCC eXchange LogInCorporate Member Sponsored ResourcesPresentations & AbstractsPresident's ThemeACCC Connect eLearning LogIn
Publications
Oncology IssuesPatient Assistance & Reimbursement GuideTrending Now in Cancer Care
Events
2026 ACCC Leadership SummitAnnual Meeting & Cancer Center Business SummitCapitol Hill DayNational Oncology ConferenceOncology Reimbursement MeetingsOncology State Society Meetings
Policy & Advocacy
2024 Policy Wrap-Up and ACCC 2025 Policy PrioritiesLetters & StatementsAccess, Payment & Reimbursement ReformWhite Bagging & Brown BaggingAdvocacy ResourcesCancer Moonshot
Membership
Join | RenewWho We AreMembership Types & BenefitsCorporate MembersACCC Member Portal FAQMember Directory
Partners
Oncology State SocietiesPartner OrganizationsCME
News
News ReleasesAdvocacy News ReleasesOncology News
About ACCC
Timeline / 50th Anniversary2025 Impact ReportACCC Innovator AwardsACCC FellowsACCC Senior Staff
Breast CancerMetastatic Breast Cancer
Gastrointestinal CancerBiliary Tract CancerColorectal CancerGastric CancerLiver Cancer
Genitourinary CancerBladder CancerProstate CancerRenal Cell Carcinoma
Gynecologic CancerOvarian Cancer
Head & Neck Cancer
Hematologic MalignanciesAcute Lymphocytic Leukemia (ALL)Acute Myeloid Leukemia (AML)Chronic Lymphocytic Leukemia (CLL)Mantle Cell Lymphoma (MCL)Multiple Myeloma (MM)Myelodysplastic Syndromes (MDS)
Lung CancerNon-Small Cell Lung Cancer (NSCLC)Small Cell Lung Cancer (SCLC)
Sarcoma
Skin CancerMelanomaNon-Melanoma Skin Cancers (NMSC)
Clinical Practice & TreatmentCancer DiagnosticsCare CoordinationEHR Integration for Biomarker TestingQuality Improvement Collaboration: Integration of Precision Medicine in Community OncologyTreatment
Financial NavigationFAN Boot CampFinancial Advocacy Network (FAN) Resource LibraryPatient Assistance & Reimbursement GuidePrior Authorization
Health Equity & Access3, 2, 1, Go! Practical Solutions for Addressing Cancer Care DisparitiesAppalachian Community Cancer AllianceOncology Advanced PractitionersPersonalizing Care for Patients of All BackgroundsSocial Drivers of Health
Patient-Centered CareAddressing Care Disparities for VeteransAdolescent and Young Adult (AYA)Care Action Plans for People with CancerDermatologic ToxicitiesEmpowering CaregiversGeriatric OncologyHealth LiteracyNutritionOncology PharmacyPatient NavigationPsychosocial Care in OncologyShared Decision-MakingSupportive CareSurvivorship Care
Practice Management & OperationsCancer Program FundamentalsLeadership Sustainment and Engagement VideosOncology Practice Transformation and Integration CenterOncology Team Resiliency
ResearchACCC Community Oncology Research Institute (ACORI)
Technology & InnovationTelehealth & Digital Medicine
ACCCBuzz Blog
CANCER BUZZ Podcast
Oncology Issues
Join/Renew
Login
Breast CancerMetastatic Breast Cancer
Gastrointestinal CancerBiliary Tract CancerColorectal CancerGastric CancerLiver Cancer
Genitourinary CancerBladder CancerProstate CancerRenal Cell Carcinoma
Gynecologic CancerOvarian Cancer
Head & Neck Cancer
Hematologic MalignanciesAcute Lymphocytic Leukemia (ALL)Acute Myeloid Leukemia (AML)Chronic Lymphocytic Leukemia (CLL)Mantle Cell Lymphoma (MCL)Multiple Myeloma (MM)Myelodysplastic Syndromes (MDS)
Lung CancerNon-Small Cell Lung Cancer (NSCLC)Small Cell Lung Cancer (SCLC)
Sarcoma
Skin CancerMelanomaNon-Melanoma Skin Cancers (NMSC)
Clinical Practice & TreatmentCancer DiagnosticsCare CoordinationEHR Integration for Biomarker TestingQuality Improvement Collaboration: Integration of Precision Medicine in Community OncologyTreatment
Financial NavigationFAN Boot CampFinancial Advocacy Network (FAN) Resource LibraryPatient Assistance & Reimbursement GuidePrior Authorization
Health Equity & Access3, 2, 1, Go! Practical Solutions for Addressing Cancer Care DisparitiesAppalachian Community Cancer AllianceOncology Advanced PractitionersPersonalizing Care for Patients of All BackgroundsSocial Drivers of Health
Patient-Centered CareAddressing Care Disparities for VeteransAdolescent and Young Adult (AYA)Care Action Plans for People with CancerDermatologic ToxicitiesEmpowering CaregiversGeriatric OncologyHealth LiteracyNutritionOncology PharmacyPatient NavigationPsychosocial Care in OncologyShared Decision-MakingSupportive CareSurvivorship Care
Practice Management & OperationsCancer Program FundamentalsLeadership Sustainment and Engagement VideosOncology Practice Transformation and Integration CenterOncology Team Resiliency
ResearchACCC Community Oncology Research Institute (ACORI)
Technology & InnovationTelehealth & Digital Medicine
ACCCBuzz Blog
CANCER BUZZ Podcast
Oncology Issues
    • Education & Resources
    • Publications
    • Events
    • Policy & Advocacy
    • Membership
    • Partners
    • News
    • About ACCC
ACCC association of cancer care centers
1801 Research Boulevard, Suite 400, Rockville, MD 20850
Tel: 301.984.9496 Fax: 301.770.1949 Email Us
Contact UsVolunteers
Advertise
Career Center
Terms and Conditions
Privacy Policy
ACCC Rebranding
Copyright © 2026 Association of Cancer Care Centers. All Rights Reserved.
Home / Authors / Davies

Marianne Davies, DNP, MSN, RN, APRN, CNS-BC, ACNP-BC, AOCNP, FAAN

author image

Marianne Davies, DNP, MSN, RN, APRN, CNS-BC, ACNP-BC, AOCNP, FAAN, is a board-certified acute care nurse practitioner. She is an associate professor at Yale School of Nursing, coordinating the Oncology Nurse Practitioner concentration. Her clinical practice is at the Yale Comprehensive Cancer Center, Medical Oncology Division with specialization in immunotherapy, targeted therapies, and management of associated toxicities.

Dr. Davies is a member of the Advanced Practitioner Society for Hematology and Oncology, Oncology Nursing Society, International Association for the Study of Lung Cancer, International Thoracic Oncology Nursing Forum, Society for Immunotherapy of Cancer (SITC), Association of Community Care Centers’ Institute for Clinical Immuno-Oncology, National Comprehensive Cancer Network, and AIM with Immunotherapy Foundation. She serves on the Immunotherapy Guideline Development Board of the SITC, National Comprehensive Cancer Network, and American Society of Clinical Oncology. She has published and presented extensively on the topics of lung cancer, immunotherapy, targeted therapy, and symptom management. Dr. Davies was also recently inducted as a fellow in the American Academy of Nursing in 2020.

She is a graduate of the Yale University School of Nursing. Dr. Davies received her Master of Science in Nursing of Oncology Clinical Nurse Specialist and Post-Master's Certificate of Acute Care Nurse Practitioner. She then received her Doctor of Nursing Practice from MGH Institute of Health Professions.

Associate Professor; Oncology Nurse Practitioner, Thoracic & Solid Tumor
Yale University - School of Nursing; Smilow Cancer Hospital - Yale New Haven Health and Yale Comprehensive Cancer Center
New Haven, CT

Latest Updated Articles

#AMCCBS:  Health Care Leadership, Market Dynamics, and Women’s Oncology
Published: March 10th 2025 | Updated: February 28th 2026
#AMCCBS: Health Care Leadership, Market Dynamics, and Women’s Oncology
Published: March 14th 2025 | Updated: February 28th 2026
ONCOLOGY LEADERS BARRETT AND ZON DISCUSS THE FUTURE OF CANCER CARE
Published: January 30th 2026 | Updated: February 28th 2026
Plans for 2026: A Dialogue With ACCC’s Executive Director – [Video Podcast] Ep. 222
Published: February 19th 2026 | Updated: February 28th 2026
Policy in Practice: Change Hits the Clinic – [Podcast] Ep. 225
Published: February 9th 2026 | Updated: February 28th 2026
Addressing Psychosocial Distress With Psychedelic-Inspired Therapies – [Podcast] Ep. 224
Published: January 30th 2026 | Updated: February 28th 2026
Set Goals in Today’s Health Care Reality - [Podcast] Ep. 223