Here are the top 25 gifts and pledges from individuals to hospitals or healthcare organizations to date in 2017.
The Chronicle of Philanthropy maintains a database of gifts of $1 million or more made by individuals to various charitable institutions.
This particular list includes gifts under "health" and "medical research" by The Chronicle of Philanthropy. Please note that many of the gifts are of equal value.
1. $279 million to the University of Washington
Donor: Bill & Melinda Gates Foundation
Details: The Bill & Melinda Gates Foundation pledged to give the University of Washington $279 million over 10 years dedicated to developing and maintaining databases measuring global healthcare trends.
2. $101 million to Houston Methodist Hospital
Donor: Joseph (Rusty) Walter III and Paula Walter. Mr. Walter is the co-owner of Walter Oil and Gas Corp. a company his father established.
Details: The $101 donation will help advance neuroscience research at the hospital. Mr. Walter received treatment at Houston Methodist following a stroke four years ago.
3. $100 million to University of Chicago Medicine
Donor:Craig and Janet Duchossois. Mr. Duchossois is the chairman of Duchossois Group, a holding company.
Details:The pledge will establish the Duchossois Family Institute, focusing on research regarding how the immune system, genetics and microbiomes interact to maintain human health.
4. $50 million to Lucile Packard Children's Hospital Stanford (Palo Alto, Calif.)
Donor: Gordon and Betty Moore. Mr. Moore is the co-founder and chairman emeritus of Intel Corp, a technology company.
Details: The gift will support the Children's Heart Center at Lucile Packard Children's Hospital Stanford. The center will be renamed after the donors.
4. $50 million to the University of Washington
Donor: Susan and Jeffrey Brotman and Pam and Dan Baty. Mr. Brotman, who passed away in August, was the co-founder of Costco and Mr. Baty founded Columbia Pacific Management, a company that invests in hospital and assisted living centers.
Details: The $50 million gift from the Brotman and Baty families will create the Brotman Baty Institute for Precision Medicine through collaboration between UW Medicine, Fred Hutchinson Cancer Research Institute and Seattle Children's Hospital.
4. $40 million to Northwell Health (New Hyde Park, N.Y.)
Donor: Sandra Atlas Bass. Ms. Bass is the daughter of the New York real estate tycoon Sol Bass.
Details: Northwell Health will construct a new cardiac care facility with the donation.
7. $38 million to University of Colorado, Anschutz Medical Campus (Denver)
Donor: Bernard and Billi Marcus. Mr. Marcus is the co-founder of the Atlanta-based Home Depot.
Details: The medical campus will use the gift to establish the Marcus Institute for Brain Health, which will provide treatment for brain trauma, in Aurora, Colo.
8. $37.8 million to Medical College of Wisconsin (Milwaukee)
Donor: Robert and Patricia Kern. Mr. Kern is the founder of Generac Power Systems, a generator manufacturer in Wisconsin.
Details: The Medical College of Wisconsin will create the Robert D. and Patricia E. Kern Institute for the Transformation of Medical Education, which will focus on innovative solutions to prepare physicians to meet the demands of the medical profession.
9. $32 million to Torrance (Calif.) Memorial Medical Center
Donor: Richard and Melanie Lundquist. The Lundquist family owns a commercial property builder, Continental Development Corp.
Details: The medical center will use the gift to expand neurological, orthopedic and spinal care services.
10. $28.5 million to ProMedica (Toledo, Ohio)
Donor: Carolee Ebeid. Ms. Ebeid is the widow of Russell Ebeid, who owned an industrial glass manufacturing company, Guardian Glass Group.
Details: The gift will go toward advancing research on how factors, such as income level, educational opportunities and quality, impact health.
11. $25 million to Mayo Clinic (Jacksonville, Fla.)
Donor: A. Dano and Brenda Davis. Mr. Davis' family founded the Winn-Dixie grocery store chain.
Details: The donation will be used to fund an expansion of the medical center in Jacksonville, Fla., recruit physicians and advance medical research.
11. $25 million to Boston Medical Center
Donor: John and Eilene Grayken. Mr. Grayken owns Lone Star Funds, a private equity fund.
Details: The gift will establish the Grayken Center for Addiction Medicine. The center will focus on drug research, treatment and addiction prevention.
11. $25 million to Feinstein Institute for Medical Research (Manhasset, N.Y.)
Donor: Leonard and Susan Feinstein. Mr. Feinstein co-founded Bed Bath and Beyond. The couple also gifted $25 million to the institute in 2005 in honor of their son, who suffered a traumatic brain injury.
Details: The donation will advance research in neuroscience, autoimmunity and bioelectronics.
11. $25 million to Feed the Truth (New York City)
Donor: Daniel Lubetzky. Mr. Lubetzky is the founder and CEO of Kind Health Snacks.
Details: This pledge will create the Feed the Truth Organization, a public health oriented organization focused on increasing transparency in food and beverage companies.
11. $25 million to University of Texas Health San Antonio
Donor: Joe R. and Teresa Lozano Long. Mr. Long is a retired banker and lawyer. He was formerly the Chief of the Enforcement Division in Texas and organized First State Bank and Community National Bank.
Details: Most of the donation ($20 million) will go toward faculty recruitment, $4 million will be used for scholarships and $1 million will endow the medical school dean's position.
11. $25 million to NewYork-Presbyterian Hospital (New York City)
Donor: Daniel and Jane Och. Mr. Och is the president of an asset-management firm in New York — Och/Ziff Capital Management Group.
Details: The hospital will use the donation to enhance spine care.
11. $25 million to NYU Langone Hospital Brooklyn (New York City)
Donor: Bezos Family Foundation on behalf of Mike and Jackie Bezos. Jeff Bezos, the couple's son, founded Amazon.
Details: The hospital will use the donation to advance research on brain development, enhance mother and baby care programs and support programs to help families with young children.
18. $24.5 million to Providence Health and Services (Portland, Ore.)
Donor: Robert W. Franz. Mr. Franz was a banking executive that passed away in 2016.
Details: The bequest will be used for cancer research and treatment at the health system's Portland, Ore.-based hospital.
19. $21 million to Chicago Biomedical Consortium
Donor: Searle Funds (Searle family). The family sold their pharmaceutical company, G.D. Searle & Company, to Monsanto in 1985.
Details: The pledge will support joint medical research at Evanston, Ill.-based Northwestern University, University of Illinois at Chicago and University of Chicago.
19. $21 million to Marin General Hospital (Greenbrae, Calif.)
Donor: Bruce Braden. Mr. Braden is the founder of F2 Oilfield Services and NEOK Energy.
Details: Marin General Hospital will use the gift to construct a new medical campus with several new buildings.
19. $21 million to University of Pennsylvania, Basser Research Center for BRCA (Philadelphia)
Donor: Jon and Mindy Gray. Mr. Gray oversees real estate at Blackstone, a global investment firm.
Details: The donation will advance research, clinical trials and educational outreach for patients with hereditary cancers.
20. $20 million to Rehabilitation Institution of Chicago
Donor: Lester and Renèe Crown. Mr. Crown is the president of investment firm Henry Crown and Company and the chairman of the Material Service Corp., which is a stone, sand and gravel company.
Details: The gift will go toward maintaining the Renèe Crown Center for Spinal Cord Innovation.
20. $20 million to Association for Frontotemporal Degeneration (Radnor, Pa.)
Donor: David Geffen. Mr. Geffen co-founded DreamWorks Studio and was also the founder of Geffen Records.
Details: The gift will advance research on dementia for people under 60-years-old.
20. $20 million to Providence Little Company of Mary Medical Center (Torrance, Calif.)
Donor: Pricilla and Donald Hunt. Mr. Hunt was the president of a real estate company, Hunt Enterprises. He passed away in February 2017.
Details: The medical center will use the gift to renovate its cardiovascular facilities and technology.
20. $20 million to Sutter Health (Sacramento, Calif.)
Donor: Mike and Judy Gaulke. Mr. Gaulke is the chairman of Exponent, an engineering and scientific consulting firm.
Details: The gift will establish the Michael and Judith Gaulke Innovation Hatchery Endowment Fund.
20. $20 million to the Massachusetts Eye and Ear Infirmary (Boston)
Donor: Remained anonymous.
Details: The donation will support research programs at its laboratories.
Editor's note: This article was updated Nov. 28 at 7:23 a.m. and Dec. 28 at 9:43 a.m.