HEMATOLOGY/ONCOLOGY: Browse by State
Browse HEMATOLOGY/ONCOLOGY healthcare providers by state. Directory counts from the national NPI registry—verify credentials and contact providers directly.
11,835 providers nationally
- California1,531
- New York1,164
- Florida1,007
- Texas1,006
- Pennsylvania784
- Illinois727
- Massachusetts606
- Ohio599
- North Carolina515
- Michigan476
- New Jersey441
- Minnesota439
- Washington403
- Virginia368
- Wisconsin350
- Georgia348
- Tennessee337
- Arizona334
- Maryland326
- Indiana314
- Missouri310
- Colorado246
- Louisiana226
- South Carolina218
- Connecticut210
- Kentucky197
- Alabama194
- Oregon171
- Kansas125
- Arkansas116
- Iowa113
- Oklahoma111
- New Hampshire99
- Rhode Island98
- West Virginia98
- Mississippi94
- Utah91
- Maine86
- New Mexico84
- Nevada83
- Nebraska57
- North Dakota50
- Delaware48
- Idaho42
- Montana41
- Hawaii39
- South Dakota36
- Vermont32
- Alaska20
- Wyoming13
Specialty labels come from public NPI registry data (CMS). Counts reflect directory listings, not board-certified specialists. This is not medical advice or a referral service.