Lactation Consultant (Registered Nurse) vs Registered Nurse
Registered Nurse has 36.5 times as many registry records as Lactation Consultant (Registered Nurse): 148,485 against 4,071. Each count is the NPPES records whose primary taxonomy is the specialty, so it measures how providers describe their main practice, not everyone trained in it.
Lactation Consultant (Registered Nurse): 4,071 records in 53 states
Registered Nurse: 148,485 records in 56 states
By state, with records per 100,000 residents
| State | Lactation Consultant (Registered Nurse) | Registered Nurse | Per 100,000 (first) | Per 100,000 (second) |
|---|---|---|---|---|
| New York | 237 | 25,740 | 1.2 | 131.5 |
| California | 443 | 13,506 | 1.1 | 34.7 |
| Ohio | 103 | 9,656 | 0.9 | 81.9 |
| Texas | 321 | 8,921 | 1.1 | 29.2 |
| Washington | 105 | 5,708 | 1.3 | 73.1 |
| Michigan | 80 | 5,589 | 0.8 | 55.7 |
| Pennsylvania | 127 | 5,372 | 1.0 | 41.4 |
| Massachusetts | 118 | 4,985 | 1.7 | 71.2 |
| Florida | 208 | 4,722 | 0.9 | 20.9 |
| Colorado | 91 | 4,610 | 1.5 | 78.4 |
| Wisconsin | 48 | 4,628 | 0.8 | 78.3 |
| Minnesota | 44 | 3,418 | 0.8 | 59.6 |
| Georgia | 96 | 3,284 | 0.9 | 29.8 |
| Tennessee | 103 | 3,269 | 1.4 | 45.9 |
| Arizona | 118 | 3,124 | 1.6 | 42.0 |
| Illinois | 202 | 2,628 | 1.6 | 20.9 |
| Maryland | 108 | 2,453 | 1.7 | 39.7 |
| Oregon | 71 | 2,449 | 1.7 | 57.9 |
| North Carolina | 154 | 2,100 | 1.4 | 19.4 |
| South Carolina | 41 | 1,761 | 0.8 | 32.8 |
| New Jersey | 128 | 1,613 | 1.4 | 17.4 |
| Missouri | 84 | 1,586 | 1.4 | 25.6 |
| New Mexico | 30 | 1,554 | 1.4 | 73.5 |
| Oklahoma | 125 | 1,456 | 3.1 | 35.9 |
| Alabama | 67 | 1,486 | 1.3 | 29.1 |
| Indiana | 68 | 1,480 | 1.0 | 21.6 |
| Nevada | 13 | 1,458 | 0.4 | 45.6 |
| Virginia | 175 | 1,282 | 2.0 | 14.8 |
| Arkansas | 19 | 1,216 | 0.6 | 39.6 |
| Alaska | 11 | 1,201 | 1.5 | 163.8 |
| Kansas | 46 | 997 | 1.6 | 33.9 |
| Utah | 37 | 990 | 1.1 | 29.0 |
| West Virginia | 14 | 1,003 | 0.8 | 56.7 |
| Delaware | 25 | 967 | 2.4 | 93.7 |
| Nebraska | 42 | 909 | 2.1 | 45.9 |
| Louisiana | 55 | 869 | 1.2 | 19.0 |
| Hawaii | 26 | 891 | 1.8 | 62.1 |
| Kentucky | 27 | 864 | 0.6 | 19.1 |
| North Dakota | 6 | 856 | 0.8 | 109.2 |
| Iowa | 26 | 833 | 0.8 | 26.0 |
| Rhode Island | 27 | 813 | 2.5 | 74.2 |
| District of Columbia | 15 | 812 | 2.2 | 119.6 |
| South Dakota | 12 | 799 | 1.3 | 86.9 |
| Connecticut | 43 | 751 | 1.2 | 20.8 |
| Maine | 17 | 612 | 1.2 | 43.8 |
| Mississippi | 13 | 596 | 0.4 | 20.3 |
| Montana | 12 | 524 | 1.1 | 46.3 |
| Idaho | 32 | 395 | 1.6 | 20.1 |
| New Hampshire | 22 | 377 | 1.6 | 26.9 |
| Wyoming | 3 | 367 | 0.5 | 62.8 |
| Vermont | 30 | 201 | 4.6 | 31.0 |
Source: CMS NPPES (NPPES files on CMS.gov), primary NUCC taxonomy by practice state; 2023 population estimates (census.gov).
Common questions
How many Lactation Consultant (Registered Nurse) providers are there vs Registered Nurse?
There are 4,071 Lactation Consultant (Registered Nurse) and 148,485 Registered Nurse records in the CMS NPPES registry, counted by primary taxonomy.
Which specialty is spread across more states?
Registered Nurse has records in 56 states and territories, against 53.
Where is the data from?
Provider counts are from the CMS National Plan and Provider Enumeration System (NPPES). Per-capita rates use 2023 Census population estimates.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of the NPPES file of Aug 9, 2026.