Registered Nurse
NUCC 163W00000X
177,204 CMS NPPES-registered providers across 56 states · 9th of 690 specialties by headcount.
Where this specialty sits in the corpus
Registered Nurse ranks 9th of 690 NUCC specialties by CMS NPPES headcount (2.5% of all registered NPIs), densest in New York; per resident Alaska leads.
- 177,204
- NPPES providers in specialty
- 9th
- of 690 specialties
- 530
- state-share HHI
- 9.1%
- Part D prescriber share
Alaska is densest per capita (3.4× the national rate; New York 2.7×).
Taxonomy fingerprint
Registered Nurse (NUCC 163W00000X; 9.1% Part D prescribers (16,106 of 177,204); avg 1,000 Part D claims/prescriber (138th of 567); Open Payments avg $591/physician (342nd of 552; 16,620 paid, $9.8M total); state-share HHI 530; next-larger headcount neighbor Speech-Language Pathologist (+12,355); next-smaller Internal Medicine Physician (-4,467)).
Next larger: Speech-Language Pathologist (189,559) Next smaller: Internal Medicine Physician (172,737)
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
- Alaska 3.4× · 179.4/100k
- New York 2.7× · 140.6/100k
- Delaware 2.3× · 119.9/100k
- District of Columbia 2.2× · 115.8/100k
- North Dakota 2.2× · 114.4/100k
Under-indexed vs national rate
- Northern Mariana Islands 0.20× · 10.6/100k
- Virgin Islands 0.37× · 19.5/100k
- American Samoa 0.39× · 20.5/100k
- Puerto Rico 0.44× · 23.3/100k
- New Jersey 0.45× · 23.4/100k
Which states have the most providers?
| # | State | Providers |
|---|---|---|
| 1 | New York | 27,515 |
| 2 | California | 15,601 |
| 3 | Ohio | 10,883 |
| 4 | Texas | 10,675 |
| 5 | Washington | 6,791 |
| 6 | Pennsylvania | 6,647 |
| 7 | Florida | 6,282 |
| 8 | Michigan | 6,153 |
| 9 | Massachusetts | 6,101 |
| 10 | Colorado | 5,286 |
| 11 | Wisconsin | 5,086 |
| 12 | Tennessee | 4,722 |
| 13 | Georgia | 3,972 |
| 14 | Arizona | 3,865 |
| 15 | Illinois | 3,828 |
Top Cities for Registered Nurse
| # | City | Providers |
|---|---|---|
| 1 | BrooklynNew York | 3,530 |
| 2 | New YorkNew York | 2,610 |
| 3 | BronxNew York | 1,980 |
| 4 | HoustonTexas | 1,519 |
| 5 | SeattleWashington | 1,370 |
| 6 | San DiegoCalifornia | 1,357 |
| 7 | San AntonioTexas | 1,353 |
| 8 | NashvilleTennessee | 1,311 |
| 9 | DenverColorado | 1,180 |
| 10 | ColumbusOhio | 1,159 |
| 11 | CincinnatiOhio | 1,044 |
| 12 | MinneapolisMinnesota | 1,043 |
Sample Registered Nurse NPIs
A directory sample from this NUCC code (not a ranking). Names and locations are unique to this taxonomy.
| # | Provider |
|---|---|
| 1 | Deborah Wilmoth, CRNALittle Rock, AR |
| 2 | Norma Wilson, CRNAAllentown, PA |
| 3 | Gregory Binder, CRNAAllentown, PA |
| 4 | Karen Koplin, CNPFairlawn, OH |
| 5 | Lydia Macklin, CNPAnthony, NM |
| 6 | John Steward, MSN, FNP-BCCrystal River, FL |
| 7 | Melody Quesenberry, CNMGeorgetown, KY |
| 8 | Debra Pettit, RNGreeley, CO |
| 9 | Susan Ball, R.N.Houston, TX |
| 10 | Ruth Anne McGovern, NPPortland, OR |
| 11 | Nan Gaylord, PHD, RN, CPNPKnoxville, TN |
| 12 | Kenneth Plitt, RN, ARNP, CRNAMill Creek, WA |
| 13 | Cynthia Archer-Gift, RN, NPSouthfield, MI |
| 14 | Shirley Kelley, CRNAShreveport, LA |
| 15 | Patricia Burns, RNPearl Harbor, HI |
| 16 | Crystal Belew, R.N.Tripler Amc, HI |
| 17 | Tamara HauzeMontrose, CO |
| 18 | Geraldine Holton, RNGreeley, CO |
Related Specialties
Adjacent specialties in the NUCC Health Care Provider Taxonomy.
Compare Registered Nurse vs Psychiatric/Mental Health Registered Nurse →
Frequently Asked Questions
How many Registered Nurse providers are in the US?
Do Registered Nurse clinicians appear in Open Payments?
How much Part D prescribing does this specialty do?
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 2026-05-20.