| The Johns Hopkins Hospital | 501(c)(3) | 1948 | $3.76 billion | $3.77 billion | 2025-06 |
| Sinai Hospital of Baltimore Inc | 501(c)(3) | 1936 | $1.06 billion | $956.4 million | 2025-06 |
| Johns Hopkins All Childrens Hospital Inc | 501(c)(3) | 1942 | $948.8 million | $1.56 billion | 2025-06 |
| Johns Hopkins Bayview Medical Center Inc | 501(c)(3) | 1984 | $899.1 million | $491.7 million | 2025-06 |
| The Johns Hopkins Health System Corporation | 501(c)(3) | 1990 | $783.8 million | $2.31 billion | 2025-06 |
| Lucy Webb Haynes National Training School for Deaconesses and Mission | 501(c)(3) | 1936 | $750.1 million | $1.81 billion | 2025-06 |
| Jack and Nancy Dwyer Workforce Development Center Inc | 501(c)(3) | 2021 | $696.1 million | $904.2 million | 2024-12 |
| Mercy Medical Center Inc | 501(c)(3) | 1949 | $685 million | $1.14 billion | 2025-06 |
| Franklin Square Hospital Center Inc | 501(c)(3) | 1938 | $655.3 million | $351 million | 2025-06 |
| Johns Hopkins Medical Services Corporation | 501(c)(3) | 1981 | $497.7 million | $2.1 million | 2025-06 |
| Union Memorial Hospital | 501(c)(3) | 1921 | $472.7 million | $265.4 million | 2025-06 |
| Suburban Hospital Incorporated | 501(c)(3) | 1945 | $427.7 million | $716.6 million | 2025-06 |
| Howard County General Hospital Inc | 501(c)(3) | 1998 | $363.4 million | $480.3 million | 2025-06 |
| The Good Samaritan Hospital of Maryland Inc | 501(c)(3) | 1993 | $299.4 million | $206.9 million | 2025-06 |
| Kennedy Krieger Childrens Hospital Inc | 501(c)(3) | 1940 | $278.5 million | $148.2 million | 2025-06 |
| Harbor Hospital Inc | 501(c)(3) | 1935 | $220.4 million | $101.4 million | 2025-06 |
| Johns Hopkins Pharmaquip Inc | 501(c)(3) | 1994 | $147.6 million | $104.3 million | 2025-06 |
| University of Maryland Faculty Physicians Inc | 501(c)(3) | 1984 | $108.8 million | $434.8 million | 2025-06 |
| Levindale Hebrew Geriatric Center & Hospital Inc | 501(c)(3) | 1938 | $89.4 million | $82 million | 2025-06 |
| Mt Washington Pediatric Hospital Inc | 501(c)(3) | 1926 | $84.4 million | $178.2 million | 2025-06 |
| Infinite Legacy Inc | 501(c)(3) | 1991 | $64 million | $78.8 million | 2025-12 |
| Total Health Care Inc | 501(c)(3) | 1978 | $61.8 million | $50 million | 2025-06 |
| University of Maryland Surgical Associates P A | 501(c)(3) | 1989 | $43.8 million | $15.8 million | 2025-06 |
| Shock Trauma Associates Pa | 501(c)(3) | 1981 | $42.9 million | $16.6 million | 2025-06 |
| Johns Hopkins Pediatrics at Home Inc | 501(c)(3) | 1994 | $30.7 million | $3 million | 2025-06 |
| University of Maryland Emergency Medicine Associates P A | 501(c)(3) | 1986 | $30.4 million | $11.3 million | 2025-06 |
| Courtland Gardens Nursing and Rehabilitaion | 501(c)(3) | 1942 | $28.2 million | $85.1 million | 2025-06 |
| Green & Healthy Homes Initiative Inc | 501(c)(3) | 1994 | $27.4 million | $12.7 million | 2025-12 |
| John Hopkins Home Health | 501(c)(3) | 1991 | $25.6 million | $4.7 million | 2025-06 |
| Johns Hopkins All Childrens Foundation Inc | 501(c)(3) | 1985 | $24.8 million | $183.1 million | 2025-06 |
| Planned Parenthood of Maryland Inc | 501(c)(3) | 1938 | $22.6 million | $31.9 million | 2025-06 |
| Healthcare Access Maryland Inc | 501(c)(3) | 1998 | $21.4 million | $8.7 million | 2025-06 |
| Maryland Medicine P A | 501(c)(3) | 2015 | $21.3 million | $753,037 | 2025-06 |
| Keswick Foundation Inc | 501(c)(3) | 1976 | $16.3 million | $248.2 million | 2025-06 |
| Independent Dialysis Foundation Inc | 501(c)(3) | 1980 | $15.3 million | $14.3 million | 2025-09 |
| Johns Hopkins Hospital Endowment Fund Incorporated | 501(c)(3) | 1973 | $14.5 million | $939.7 million | 2025-06 |
| Mercy Health Foundation Inc | 501(c)(3) | 1946 | $13.2 million | $76.1 million | 2025-06 |
| Believe in Tomorrow National Childrens Foundation Inc | 501(c)(3) | 1984 | $12.3 million | $23.2 million | 2025-12 |
| Thomas Oneill Catholic Health Care Fund Inc | 501(c)(3) | 1946 | $11.6 million | $90.1 million | 2025-06 |
| University of Maryland Otorhino Laryngology-Head & Neck Surgery Pa | 501(c)(3) | 2007 | $8.8 million | $7.2 million | 2025-06 |
| Hospital for Consumptives of Maryland | 501(c)(3) | 1926 | $8.6 million | $97.9 million | 2025-06 |
| University of Maryland Dermatologists P A | 501(c)(3) | 1993 | $8.5 million | $7.4 million | 2025-06 |
| University of Maryland Orthopaedic Trauma Associates P A | 501(c)(3) | 2006 | $8.5 million | $9.5 million | 2025-06 |
| St Martins Home for the Aged Little Sisters of the Poor Baltimore Inc | 501(c)(3) | 1946 | $8.4 million | $48.6 million | 2025-12 |
| University of Maryland Oncology | 501(c)(3) | 1996 | $7.1 million | $4.4 million | 2025-06 |
| Potomac Home Support Inc | 501(c)(3) | 1992 | $5.8 million | $1.5 million | 2025-06 |
| Maryland Emergency Medicine Network | 501(c)(3) | 2004 | $5.6 million | $9.5 million | 2025-06 |
| Howard Hospital Foundation Inc | 501(c)(3) | 1976 | $5.5 million | $20.9 million | 2025-06 |
| Keralink International Inc | 501(c)(3) | 1984 | $5 million | $1.7 million | 2024-12 |
| Mercy Transitional Care Services | 501(c)(3) | 1997 | $4.5 million | $1.6 million | 2025-06 |
| James Lawrence Kernan Hospital Endowment Fund Incorporated | 501(c)(3) | 1974 | $3 million | $47.5 million | 2025-06 |
| Greater Baltimore Medical Center Land Corporation | 501(c)(3) | 1987 | $2.7 million | $15.9 million | 2025-06 |
| University of Maryland Oral Maxillofacial Surgery Assoc P A | 501(c)(3) | 1995 | $2.7 million | $757,794 | 2025-06 |
| Nova Institute for Health Inc | 501(c)(3) | 2005 | $2.7 million | $11.6 million | 2024-12 |
| Charm City Care Connection Inc | 501(c)(3) | 2010 | $2.5 million | $837,221 | 2025-06 |
| G S Properties Inc | 501(c)(3) | 1993 | $2.1 million | $2.1 million | 2025-06 |
| GBMC Healthcare Inc | 501(c)(3) | 2023 | $2 million | $726.7 million | 2025-06 |
| Abortion Fund of Maryland Inc | 501(c)(3) | 2014 | $2 million | $3.4 million | 2024-12 |
| Keswick Community Health Inc | 501(c)(3) | 2016 | $1.9 million | $204,496 | 2025-06 |
| Baltimore Jewish Health Foundation Inc | 501(c)(3) | 1998 | $1.9 million | $49 million | 2025-06 |
| University of Maryland Midtown Health Inc | 501(c)(3) | 1980 | $1.5 million | $2.3 million | 2025-06 |
| Baltimore Alliance for Careers in Healthcare Inc | 501(c)(3) | 2005 | $1.5 million | $746,329 | 2025-06 |
| Childrens Hospital at Sinai Foundation Inc | 501(c)(3) | 2000 | $1.4 million | $42.4 million | 2025-06 |
| Suburban Hospital Healthcare System Inc | 501(c)(3) | 1997 | $1.4 million | $34.4 million | 2025-06 |
| Baltimore Harm Reduction Coalition Inc | 501(c)(3) | 2022 | $1.2 million | $590,884 | 2024-12 |
| Greater Baltimore Center for Pregnancy Concerns | 501(c)(3) | 1980 | $991,706 | $2.6 million | 2025-06 |
| All Childrens Health System Inc | 501(c)(3) | 1985 | $829,470 | $52.6 million | 2025-06 |
| Lotus Recovery Center Inc | 501(c)(3) | 2017 | $778,505 | $351,481 | 2024-12 |
| Lifebridge Center for Hope Inc | 501(c)(3) | 2021 | $720,746 | $21.4 million | 2025-06 |
| Augsburg Lutheran Home of MD Inc | 501(c)(3) | 1977 | $678,305 | $814,346 | 2024-12 |
| Ralph C Heller Foundation Inc | 501(c)(3) | 1951 | $651,767 | $14.5 million | 2025-12 |
| Roberto Clemente-Santa Ana Health Clinic Inc | 501(c)(3) | 2003 | $554,624 | $458,184 | 2024-12 |
| Donate Life Maryland | 501(c)(3) | 2007 | $546,454 | $225,823 | 2025-03 |
| Baltimore Area Health Education Center Inc | 501(c)(3) | 2004 | $536,037 | $630,826 | 2024-12 |
| Maryland Citizens Health Initiative Inc | 501(c)(4) | 2000 | $506,815 | $329,930 | 2025-12 |
| Maryland Citizens Health Initiative Education Fund Inc | 501(c)(3) | 2000 | $502,663 | $915,139 | 2025-12 |
| Jewish Caring Network Gevuras Yarden Inc | 501(c)(3) | 2001 | $494,576 | $1 million | 2025-12 |
| Maryland Committee On Trauma Inc | 501(c)(3) | 2013 | $378,647 | $208,696 | 2025-11 |
| Momcares Inc | 501(c)(3) | 2023 | $343,012 | $16,139 | 2024-12 |
| Family Survivor Network | 501(c)(3) | 2023 | $241,662 | $18,430 | 2024-12 |
| Alliance for Artificial Intelligence in Healthcare | 501(c)(4) | 2024 | $215,592 | $106,554 | 2024-12 |
| Maryland Medical-Legal Foundation Inc | 501(c)(3) | 1964 | $211,714 | $45,082 | 2024-12 |
| Live Incorporated | 501(c)(3) | 2023 | $208,977 | $2,062 | 2024-12 |
| Hope for West Africa Foundation Inc | 501(c)(3) | 2007 | $190,884 | $153,977 | 2025-12 |
| Medstar Union Memorial Auxiliary | 501(c)(3) | 2024 | $181,050 | $250,446 | 2025-06 |
| Maryland Assembly On School-Based Health Care | 501(c)(3) | 2009 | $180,858 | $6,808 | 2025-06 |
| Medstar Good Samaritan Hospital Auxiliary Inc | 501(c)(3) | 2024 | $177,268 | $181,836 | 2025-06 |
| The Shepherds Clinic William HM Finney Foundation Inc | 501(c)(3) | 2001 | $173,452 | $1.2 million | 2025-06 |
| Medical Staff of Sinai Hospital of Baltimore Inc | 501(c)(3) | 2024 | $129,186 | $645,335 | 2025-12 |
| Maryland Cardiac Surgery Quality Initiative Inc | 501(c)(3) | 2014 | $108,450 | $325,549 | 2025-12 |
| Jordan McNair Foundation Inc | 501(c)(3) | 2019 | $107,967 | $86,741 | 2025-12 |
| Wounded Warriors Day On the Bay Inc | 501(c)(3) | 2023 | $93,951 | $61,095 | 2025-12 |
| American Association of Healthcare Administrative Management | 501(c)(6) | 1975 | $77,543 | $80,447 | 2024-12 |
| Good Samaritan Nursing Center Inc | 501(c)(3) | 1990 | $73,000 | $120,000 | 2025-06 |
| Sinai Mitzvah Foundation Inc | 501(c)(3) | 1948 | $63,017 | $736,013 | 2025-06 |
| Harmony Works | 501(c)(3) | 2022 | $52,957 | $1,855 | 2025-12 |
| Society of Bedside Medicine Inc | 501(c)(3) | 2017 | $48,639 | $186,920 | 2024-12 |
| Sivananda Center Hyderabad | 501(c)(3) | 2002 | $34,947 | $40,670 | 2025-12 |
| Howard County Dental Association Inc | 501(c)(3) | 2010 | $33,198 | $58,453 | 2025-12 |
| Levindale Auxiliary Inc | 501(c)(3) | 1992 | $28,823 | $331,083 | 2025-06 |
| Keep Climbing Inc | 501(c)(3) | 2023 | $13,987 | $67,064 | 2025-12 |
| Childbirth Survival International | 501(c)(3) | 2014 | $9,660 | $16,345 | 2024-12 |
| Association of Physicians of Pakistani Descent of North America | 501(c)(3) | 2013 | $8,892 | $41,747 | 2025-12 |
| Society of the Little Sisters of the Poor A Louisiana Corporation | 501(c)(3) | 1946 | $6,017 | $175,863 | 2025-12 |
| Health Focus Foundation Inc | 501(c)(3) | 2025 | $4,025 | $1 | 2025-12 |
| Simple Provisions Corp | 501(c)(3) | 2022 | $2,000 | $18,086 | 2025-12 |
| A & E Mobile Healthcare | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| A Closer Step Traditional Housing Incorporated | 501(c)(3) | 2024 | | | |
| Adloris Foundation Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Aim To Inspire Care Forever | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| American Art Therapy Association Inc | 501(c)(3) | 1996 | $0 | $0 | 2025-12 |
| American Collaboratory | 501(c)(3) | 2024 | | | |
| Angel Hands Foundation Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Association of Independent Midwives of Maryland | 501(c)(6) | 2017 | $0 | $0 | 2025-12 |
| B Mom Incorporated | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Baltimore Cancer Support Group Inc | 501(c)(3) | 1991 | $0 | $0 | 2025-12 |
| Baltimore Projects 2 Save Lives Inc | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Baltimore Substance Abuse Systems Inc | 501(c)(3) | 1991 | $0 | $0 | 2025-06 |
| Beechtree Clinic Health Services | 501(c)(3) | 2023 | | | |
| Bell Dental Clinic Inc | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Beverly S Angels Corporation | 501(c)(3) | 2024 | | | |
| Blocker Family Foundation | 501(c)(3) | 2024 | | | |
| Bringing America Sports Health Inc | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Cares Health Inc | 501(c)(3) | 2026 | | | |
| Caring Forever Inc | 501(c)(3) | 2025 | | | |
| Center for Health and Education Enhancement Inc | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Chesapeake Bay Society of Perianesthesia Nurses | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Chi Eta Phi Sorority Inc Gamma Chapter | 501(c)(3) | 2017 | $0 | $0 | 2026-05 |
| Childrens Hospital of Baltimore City Inc | 501(c)(3) | 1940 | $0 | $1 | 2025-06 |
| Chimes Pennsylvania Solutions Inc | 501(c)(3) | 2025 | $0 | $0 | 2026-06 |
| Chip in for Children Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Coalition of Baltimore Hiv Providers | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Craig Willinger Fund | 501(c)(3) | 2020 | $0 | $0 | 2025-07 |
| Cross Home Health Access Connect in C | 501(c)(3) | 2026 | | | |
| Debobeth Access | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Divine Health & Wellness Center Inc | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Ebun Fertility Foundation Incorporated | 501(c)(3) | 2025 | $0 | $0 | 2025-06 |
| Evas Believers | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Femsey Incorporated | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Fleming Providercare Inc | 501(c)(3) | 1995 | | $83,522 | 2024-12 |
| Friends of Sisson Street Park Corp | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| GBMC Foundation Inc | 501(c)(3) | 1987 | $0 | $0 | 2025-06 |
| Gerontological Advanced Practice Nurses Association | 501(c)(6) | 2014 | $0 | $0 | 2025-12 |
| Get Checked 4 Life Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Gift Health Services | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| H E L P Innerprise Inc | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Hands of An Angel | 501(c)(3) | 2013 | $0 | $0 | 2026-03 |
| Hawkes Health Care Service Corporation | 501(c)(3) | 2019 | $0 | $1 | 2025-12 |
| Hbcu Wellness Collective Inc | 501(c)(3) | 2025 | | | |
| Heal-Baltimore Inc | 501(c)(3) | 2026 | | | |
| Icare Family Trust Inc | 501(c)(3) | 2026 | | | |
| Institute for Primary Health Care I NC | 501(c)(3) | 2026 | | | |
| Ishwara Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Jade Project Inclusion Inc | 501(c)(3) | 2026 | | | |
| John Hopkins All Childrens Urgent Care Inc | 501(c)(3) | 2000 | $0 | $0 | 2025-06 |
| Keeping Hopes Alive Incorporated | 501(c)(3) | 2025 | | | |
| Keralink Vision Support Services Inc | 501(c)(3) | 2026 | | | |
| Kim Kak Rae Foundation | 501(c)(3) | 2024 | | | |
| Kindah Health Corporation | 501(c)(3) | 2026 | | | |
| Lathan Family Foundation | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Life Gave Me Lemons | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Litt Foundation Inc | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Logan S Never Be Alone Foundation Inc | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Manifest Healthcare Services | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Maria Health Care Center Inc | 501(c)(3) | 1956 | | | |
| Maryland Community Health Initiatives | 501(c)(3) | 2002 | $0 | $1.3 million | 2025-07 |
| Maryland Society for Parenteral and Enteral Nutrition | 501(c)(3) | 2014 | $0 | $0 | 2025-09 |
| Matt Trone Foundation Inc | 501(c)(3) | 2024 | $0 | $0 | 2026-03 |
| Medikal Health Center Inc | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Moms Labor Inc | 501(c)(3) | 2026 | | | |
| Music Is Medicine | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| National Association of Chemical Dependency Nurses Inc | 501(c)(3) | 2021 | | $2,826 | 2024-12 |
| National Foundation of Emergency Medicine Inc | 501(c)(3) | 2012 | | $3.6 million | 2024-12 |
| Nature Heals | 501(c)(3) | 2024 | | | |
| North Baltimore Center Inc | 501(c)(3) | 1971 | | | |
| One Less Foundation | 501(c)(3) | 2023 | | $1 | 2025-12 |
| Oneill Foundation for Community Health Inc | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Park Heights Community Health Alliance Inc | 501(c)(3) | 2024 | $0 | $1 | 2025-06 |
| Peaceful Beginnings | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Philoxenia House Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Plasma Donors Association Inc | 501(c)(3) | 2026 | | | |
| Public Health Innovation Lab | 501(c)(3) | 2025 | | | |
| Pure Help Inc | 501(c)(3) | 2026 | | | |
| Richmond Global Health Alliance | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Robert Garrett Fund for the Surgical Treatment of Children | 501(c)(3) | 1937 | $0 | $39.6 million | 2025-06 |
| Roland Park Place Health Care Corporation | 501(c)(3) | 1986 | $0 | $0 | 2025-06 |
| STB Inc | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Smilepage Health Institute | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| St Marys Efficient Health Community Care Services International Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-04 |
| Tata Tuesdays | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| The Center for Health Education and Culture Inc | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| The Parkinsons Empowerment Place Corp | 501(c)(3) | 2026 | | | |
| Together We Stand Support Services Inc | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Tops Club Inc | 501(c)(3) | 2008 | $0 | $0 | 2026-03 |
| Tops Club Inc | 501(c)(3) | 2008 | $0 | $0 | 2026-03 |
| Trusty Wellness Center Inc | 501(c)(3) | 2026 | | | |
| Vital Vibez Inc | 501(c)(3) | 2019 | $0 | $0 | 2023-12 |
| War Ready Warriors Incorporated | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Warrior4god Physician Services | 501(c)(3) | 2024 | $0 | $1 | 2025-12 |
| Windemere Long Term Care LLC | 501(c)(3) | 2011 | $0 | $0 | 2025-03 |
| Womens Charities of Maryland Inc | 501(c)(3) | 1998 | $0 | $0 | 2025-12 |
| World Wide Water | 501(c)(3) | 2024 | | $1,973 | 2025-12 |