Case Management Registered Nurse

NUCC 163WC0400X · Registered Nurse

5,736 CMS NPPES-registered providers across 53 states · 129th of 690 specialties by headcount.

5,736
Providers
CMS NPPES-registered
53
States
with ≥1 NPI
California
Top state
1,037 providers
$361
Open Pay avg
402nd of 551 specialties

Where this specialty sits in the corpus

Case Management Registered Nurse ranks 129th of 690 NUCC specialties by CMS NPPES headcount (0.08% of all registered NPIs), densest in California; per resident Alaska leads.

5,736
NPPES providers in specialty
129th
of 690 specialties
563
state-share HHI
1.2%
Part D prescriber share

Alaska is densest per capita (4.2× the national rate; District of Columbia 3.2×); 2% of the Registered Nurse category.

Taxonomy fingerprint

Case Management Registered Nurse (NUCC 163WC0400X; 1.2% Part D prescribers (71 of 5,736); avg 1,005 Part D claims/prescriber (149th of 572); Open Payments avg $361/physician (402nd of 551; 61 paid, $22K total); state-share HHI 563; next-larger headcount neighbor General Practice Registered Nurse (+21); next-smaller Plastic Surgery Physician (-305)).

Next larger: General Practice Registered Nurse (5,757) Next smaller: Plastic Surgery Physician (5,431)

Population-adjusted state index

Each multiple is this specialty's providers-per-resident in a state divided by the national rate (Census Vintage population estimates). Raw headcount favors large states; this ranking surfaces denser markets.

Over-indexed vs national rate

Under-indexed vs national rate

Which states have the most providers?

#StateProviders
1California1,037
2Texas354
3Florida330
4New York272
5Ohio255
6Michigan237
7Washington211
8Maryland176
9Colorado174
10Georgia162
11Wisconsin145
12Massachusetts132
13Virginia131
14Oklahoma120
15Illinois119

Top Cities for Case Management Registered Nurse

#CityProviders
1Los AngelesCalifornia75
2BaltimoreMaryland71
3San JoseCalifornia66
4MartinezCalifornia60
5San DiegoCalifornia59
6TacomaWashington56
7SacramentoCalifornia50
8San FranciscoCalifornia47
9Iowa CityIowa47
10ChicagoIllinois47
11San AntonioTexas47
12DenverColorado42

Sample Case Management Registered Nurse NPIs

A directory sample from this NUCC code (not a ranking). Names and locations are unique to this taxonomy.

#Provider
1Barbara Weaver, RNFort Stewart, GA
2Belinda Mileur, RNPearl Harbor, HI
3Linda Tolson, RNAndrews, TX
4Mary Cornejo, RNAndrews, TX
5Vincent Lee, RN, NPRocky Point, NY
6Samara Walker, RNFort Eustis, VA
7Betty Kerr, RNFort Belvoir, VA
8Penelope Ward, APRN, BC; PH.DFt Wainwright, AK
9Debra LakinFort Leavenworth, KS
10Martha SepulvadoFort Leavenworth, KS
11Sylvia ArvizuFort Leavenworth, KS
12Karen Scott, RNSacramento, CA
13Margaret Jones, RNFairfax Station, VA
14Doris Luna, RNSacramento, CA
15Tammy Edwards, RNJohnson City, TN
16Sultanna Iden, RNSacramento, CA
17Rhonda Cusano, RNFort Leavenworth, KS
18Mary Ball, RNFort Myer, VA

Adjacent specialties in the NUCC Health Care Provider Taxonomy - same Registered Nurse category.

Compare Case Management Registered Nurse vs Registered Nurse →

Frequently Asked Questions

Where does the large Case Management Registered Nurse headcount concentrate?
5,736 Case Management Registered Nurse NPIs span 53 states; California alone holds 1,037. Top metros include Los Angeles, CA; Baltimore, MD; San Jose, CA; Martinez, CA. Nationally this is 129th of 690 NUCC codes.
How large is Case Management Registered Nurse's Open Payments footprint?
CMS Open Payments 2024 lists 61 Case Management Registered Nurse physicians totaling $22K (631 payments; average $361, 402nd of 551). 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, 71 appear in the Medicare Part D Prescriber PUF (average 1,005 claims and $159K drug cost per prescriber; 149th of 572 specialties by average claims). Non-prescribing clinicians in the same NUCC code are still in NPPES.
Data sources and methodology

Provider data from CMS NPPES (download.cms.gov/nppes). Specialty classification from NUCC Health Care Provider Taxonomy (nucc.org). Part D averages from the CMS Medicare Part D Prescriber PUF; industry payments from CMS Open Payments 2024. Counts reflect self-designated primary taxonomy at NPI enrollment. PlainDoctor does not rate or rank providers. Methodology · About

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-08-27.