| Midwest Athletes Against Childhood CancerEIN 39-1270290 | Health | WI | $4,138,694Mid-sized | 95.07 |
| Miles Perret Cancer ServicesEIN 75-3023211 | Health | LA | $1,060,301Small | 77.53 |
| Minnesota Adult & Teen ChallengeEIN 41-1517351 | Health | MN | $33,498,517Large | 99.77 |
| Miracle FlightsEIN 88-0209952 | Health | NV | $3,726,507Mid-sized | 76.73 |
| Mission Medical ClinicEIN 68-0506812 | Health | CO | $384,914Small | 74.88 |
| Mission of MercyEIN 86-0704883 | Health | PA | $7,151,522Mid-sized | 93.89 |
| Moffitt Cancer Center FoundationEIN 59-3238636 | Health | FL | $26,895,692Large | 82.04 |
| Monell Chemical Senses CenterEIN 23-2020897 | Health | PA | $13,342,596Mid-sized | 86.45 |
| Morton Plant Mease FoundationEIN 59-1751535 | Health | FL | $9,663,293Mid-sized | 88.73 |
| Mount Sinai Medical Center FoundationEIN 59-1711400 | Health | FL | $5,220,734Mid-sized | 71.34 |
| MPN Research FoundationEIN 36-4330967 | Health | IL | $1,929,928Small | 89.03 |
| Multidisciplinary Association for Psychedelic StudiesEIN 59-2751953 | Health | CA | $3,572,643Mid-sized | 84.13 |
| Multiple Sclerosis FoundationEIN 59-2792934 | Health | FL | $7,701,261Mid-sized | 75.54 |
| myFaceEIN 13-6013760 | Health | NY | $3,618,719Mid-sized | 91.74 |
| NAMIEIN 43-1201653 | Health | VA | $13,730,128Large | 93.26 |
| NAMI MinnesotaEIN 41-1317030 | Health | MN | $1,965,443Small | 92.36 |
| National Alliance for the Mentally Ill of New York CityEIN 13-3077692 | Health | NY | $1,685,479Small | 87.19 |
| National Alopecia Areata FoundationEIN 94-2780249 | Health | CA | $2,589,154Small | 93.29 |
| National Association of Chain Drug Stores FoundationEIN 51-0144922 | Health | VA | $1,241,781Small | 86.19 |
| National Association of Free and Charitable ClinicsEIN 56-2273242 | Health | VA | $1,406,409Small | 79.43 |
| National Ataxia FoundationEIN 41-0832903 | Health | MN | $2,148,024Small | 90.71 |
| National Brain Tumor SocietyEIN 04-3068130 | Health | MA | $8,536,282Mid-sized | 77.82 |
| National Breast Cancer Coalition FundEIN 52-1782065 | Health | DC | $3,232,303Small | 85.46 |
| National Breast Cancer Foundation, Inc.EIN 75-2391148 | Health | TX | $12,307,503Mid-sized | 85.82 |
| National Comprehensive Cancer NetworkEIN 23-2818395 | Health | PA | $26,864,032Large | 87.59 |
| National Down Syndrome SocietyEIN 13-2992567 | Health | NY | $2,131,501Small | 87.28 |
| National Eating Disorders AssociationEIN 13-3444882 | Health | NY | $3,619,563Mid-sized | 91.49 |
| National Emergency Medicine AssociationEIN 52-1257429 | Health | MD | $1,812,105Small | 50.19 |
| National Foundation for Cancer ResearchEIN 04-2531031 | Health | MD | $13,432,400Mid-sized | 82.26 |
| National Foundation for Infectious DiseasesEIN 23-7198530 | Health | MD | $2,560,704Small | 94.81 |
| National Foundation for TransplantsEIN 58-1527254 | Health | TN | $3,529,484Mid-sized | 90.69 |
| National Fragile X FoundationEIN 84-0960471 | Health | DC | $1,654,106Small | 89.19 |
| National Gaucher FoundationEIN 52-1350226 | Health | MD | $3,545,926Mid-sized | 76.07 |
| National Headache FoundationEIN 23-7073022 | Health | IL | $1,347,010Small | 85.59 |
| National Hemophilia FoundationEIN 13-5641857 | Health | NY | $20,576,103Large | 94.84 |
| National Kidney FoundationEIN 13-1673104 | Health | NY | $37,252,116Large | 82.47 |
| National Kidney Foundation of ArizonaEIN 86-6052343 | Health | AZ | $1,886,256Small | 75.55 |
| National Kidney Foundation of FloridaEIN 59-2190073 | Health | FL | $1,108,519Small | 90.41 |
| National Kidney Foundation of HawaiiEIN 99-0266733 | Health | HI | $3,357,681Small | 89.03 |
| National Kidney Foundation of IllinoisEIN 36-6009226 | Health | IL | $1,622,137Small | 91.20 |
| National Kidney Foundation of MarylandEIN 52-6069952 | Health | MD | $1,319,432Small | 76.03 |
| National Kidney Foundation of MichiganEIN 38-1559941 | Health | MI | $6,685,661Mid-sized | 95.85 |
| National Medical AssociationEIN 53-6010805 | Health | MD | $5,020,310Mid-sized | 89.48 |
| National Minority AIDS CouncilEIN 52-1578289 | Health | DC | $5,714,211Mid-sized | 90.86 |
| National MPS SocietyEIN 11-2734849 | Health | NC | $2,012,286Small | 96.89 |
| National Organization for Rare DisordersEIN 13-3223946 | Health | CT | $32,990,742Large | 98.21 |
| National Ovarian Cancer CoalitionEIN 65-0628064 | Health | TX | $3,911,925Mid-sized | 80.51 |
| National Pediatric Cancer FoundationEIN 59-3097333 | Health | FL | $3,129,381Small | 100.00 |
| National Psoriasis FoundationEIN 93-0571472 | Health | OR | $12,666,372Mid-sized | 91.32 |
| National Sleep FoundationEIN 41-1678336 | Health | VA | $4,114,158Mid-sized | 89.94 |
| Nebraska AIDS ProjectEIN 47-0786622 | Health | NE | $1,655,303Small | 89.81 |
| Neighborhood Health ClinicEIN 59-3546884 | Health | FL | $3,284,533Small | 96.79 |
| NephCure Kidney InternationalEIN 38-3569922 | Health | PA | $3,815,949Mid-sized | 87.97 |
| Neuroendocrine Tumor Research FoundationEIN 20-1945347 | Health | MA | $6,307,127Mid-sized | 97.17 |
| Nevada Childhood Cancer FoundationEIN 88-0302673 | Health | NV | $1,705,987Small | 90.00 |
| New York Academy of MedicineEIN 13-1656674 | Health | NY | $16,209,397Large | 86.36 |
| New York Adult & Teen ChallengeEIN 11-3161238 | Health | NY | $5,263,581Mid-sized | 89.58 |
| NEXT for AUTISMEIN 57-1136147 | Health | NY | $2,474,471Small | 87.68 |
| North Coast HealthEIN 34-1536257 | Health | OH | $2,303,888Small | 86.67 |
| Oasis CenterEIN 62-0968273 | Health | TN | $4,868,963Mid-sized | 95.20 |