Case Management Registered Nurse providers in the U.S.
5,564 NPPES records list case management registered nurse as their primary taxonomy, about 1.7 per 100,000 residents; Alaska and Hawaii have the most per resident. 9 of them appear in the Medicare Part D prescriber file: a registry record is not proof of an active practice.
What taxonomy code 163WC0400X means
163WC0400X is the National Uniform Claim Committee code for Registered Nurse, Case Management, in the grouping Nursing Service Providers. 5,564 NPPES records list it as their primary taxonomy (file of Aug 9, 2026).
Source: NUCC Health Care Provider Taxonomy code set, definition as NUCC publishes it (nucc.org); counts from CMS NPPES.
Most per resident: the 8 highest
Source: CMS NPPES, primary taxonomy 163WC0400X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.
Los Angeles has the most, 71
Source: CMS NPPES, primary taxonomy 163WC0400X by practice city, file of Aug 9, 2026.
All 51 by state
| State | Records | Per 100,000 |
|---|---|---|
| Alabama | 31 | 0.6 |
| Alaska | 51 | 7.0 |
| Arizona | 79 | 1.1 |
| Arkansas | 68 | 2.2 |
| California | 1,025 | 2.6 |
| Colorado | 180 | 3.1 |
| Connecticut | 17 | 0.5 |
| Delaware | 9 | 0.9 |
| District of Columbia | 36 | 5.3 |
| Florida | 312 | 1.4 |
| Georgia | 168 | 1.5 |
| Hawaii | 76 | 5.3 |
| Idaho | 34 | 1.7 |
| Illinois | 116 | 0.9 |
| Indiana | 68 | 1.0 |
| Iowa | 89 | 2.8 |
| Kansas | 98 | 3.3 |
| Kentucky | 73 | 1.6 |
| Louisiana | 26 | 0.6 |
| Maine | 16 | 1.1 |
| Maryland | 160 | 2.6 |
| Massachusetts | 118 | 1.7 |
| Michigan | 233 | 2.3 |
| Minnesota | 110 | 1.9 |
| Mississippi | 20 | 0.7 |
| Missouri | 102 | 1.6 |
| State | Records | Per 100,000 |
|---|---|---|
| Montana | 27 | 2.4 |
| Nebraska | 73 | 3.7 |
| Nevada | 33 | 1.0 |
| New Hampshire | 13 | 0.9 |
| New Jersey | 34 | 0.4 |
| New Mexico | 36 | 1.7 |
| New York | 243 | 1.2 |
| North Carolina | 114 | 1.1 |
| North Dakota | 7 | 0.9 |
| Ohio | 229 | 1.9 |
| Oklahoma | 121 | 3.0 |
| Oregon | 104 | 2.5 |
| Pennsylvania | 74 | 0.6 |
| Rhode Island | 23 | 2.1 |
| South Carolina | 61 | 1.1 |
| South Dakota | 30 | 3.3 |
| Tennessee | 58 | 0.8 |
| Texas | 348 | 1.1 |
| Utah | 47 | 1.4 |
| Vermont | 4 | 0.6 |
| Virginia | 129 | 1.5 |
| Washington | 219 | 2.8 |
| West Virginia | 39 | 2.2 |
| Wisconsin | 149 | 2.5 |
| Wyoming | 20 | 3.4 |
In federal data
- NUCC code163WC0400X · Registered Nurse
- Size rank129th of 688 specialties by records (0.08% of all)
- In its family6th of 56 Registered Nurse codes, 2.3% of the family
- Part D prescribers9 (0.2% of records)
- Part D claims153 a year per prescriber, on average (308th of 496)
- Industry payments18 physicians paid $2K in 2024, $128 each on average
- Concentration8 states hold half of all records
Source: CMS NPPES; Medicare Part D Prescriber PUF; CMS Open Payments 2024. Presence in these files is not a quality judgment.
A sample of case management registered nurse records
- Carol RookAnchorage, AK1780240515
- Emma JacobsonAnchorage, AK1790472694
- Koreen Mateaki, RNAnchorage, AK1992951537
- Stellina Essim, RNAnchorage, AK1447654371
- Debbra JohnsonAnchorage, AK1891482980
- Laura Vandermartin, RNFt Richardson, AK1902876592
- Janice Fulton, RNFort Richardson, AK1558991257
- Anh Phuong Wright, RNAnchorage, AK1114177649
- Roland Cabiad, R.N.Anchorage, AK1548599467
- Teresa Wahala, RNAnchorage, AK1396033411
- Imelda Serrano, RNAnchorage, AK1457798480
- Robert Ellison, REGISTERED NURSEAnchorage, AK1285290395
- Kelsey BossAnchorage, AK1740979111
- Todd Whitcomb, RNCMAnchorage, AK1235820929
- Carol Odinzoff, RNAnchorage, AK1255192340
- Kimberly Warren, RNAnchorage, AK1447178470
Registry order, not a ranking. Search by name to find one provider.
Common questions
Where does the large Case Management Registered Nurse headcount concentrate?
5,564 Case Management Registered Nurse NPIs span 53 states; California alone holds 1,025. Top metros include Los Angeles, CA; San Diego, CA; San Jose, CA; Baltimore, MD. Nationally this is 129th of 688 NUCC codes.
How large is Case Management Registered Nurse's Open Payments footprint?
CMS Open Payments 2024 lists 18 Case Management Registered Nurse physicians totaling $2K (37 payments; average $128, 395th of 470). Presence in Open Payments is not a quality judgment.
How heavy is Case Management Registered Nurse Part D prescribing at scale?
Among Case Management Registered Nurse NPIs, 9 appear in the Medicare Part D Prescriber PUF (average 153 claims and $149K drug cost per prescriber; 308th of 496 specialties by average claims). Non-prescribing clinicians in the same NUCC code are still in NPPES.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy (nucc.org); Medicare Part D Prescriber PUF; CMS Open Payments 2024. Counts are self-designated primary taxonomy, not board certification.
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 Aug 9, 2026.