Clinical Nurse Specialist providers in the U.S.
1,835 NPPES records list clinical nurse specialist as their primary taxonomy, about 0.5 per 100,000 residents; Delaware and Minnesota have the most per resident. 361 of them appear in the Medicare Part D prescriber file: a registry record is not proof of an active practice.
What taxonomy code 364S00000X means
364S00000X is the National Uniform Claim Committee code for Clinical Nurse Specialist, in the grouping Physician Assistants & Advanced Practice Nursing Providers. 1,835 NPPES records list it as their primary taxonomy (file of Aug 9, 2026).
A registered nurse who, through a graduate degree program in nursing, or through a formal post-basic education program or continuing education courses and clinical experience, is expert in a specialty area of nursing practice within one or more of the components of direct patient/client care, consultation, education, research and administration.
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 364S00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.
Cleveland has the most, 82
Source: CMS NPPES, primary taxonomy 364S00000X by practice city, file of Aug 9, 2026.
All 51 by state
| State | Records | Per 100,000 |
|---|---|---|
| Alabama | 5 | 0.1 |
| Alaska | 3 | 0.4 |
| Arizona | 11 | 0.1 |
| Arkansas | 26 | 0.8 |
| California | 163 | 0.4 |
| Colorado | 44 | 0.7 |
| Connecticut | 30 | 0.8 |
| Delaware | 27 | 2.6 |
| District of Columbia | 4 | 0.6 |
| Florida | 33 | 0.1 |
| Georgia | 18 | 0.2 |
| Hawaii | 14 | 1.0 |
| Idaho | 4 | 0.2 |
| Illinois | 162 | 1.3 |
| Indiana | 65 | 0.9 |
| Iowa | 6 | 0.2 |
| Kansas | 23 | 0.8 |
| Kentucky | 9 | 0.2 |
| Louisiana | 17 | 0.4 |
| Maine | 8 | 0.6 |
| Maryland | 19 | 0.3 |
| Massachusetts | 58 | 0.8 |
| Michigan | 66 | 0.7 |
| Minnesota | 140 | 2.4 |
| Mississippi | 1 | 0.0 |
| Missouri | 33 | 0.5 |
| State | Records | Per 100,000 |
|---|---|---|
| Montana | 2 | 0.2 |
| Nebraska | 9 | 0.5 |
| Nevada | 3 | 0.1 |
| New Hampshire | 1 | 0.1 |
| New Jersey | 22 | 0.2 |
| New Mexico | 16 | 0.8 |
| New York | 34 | 0.2 |
| North Carolina | 45 | 0.4 |
| North Dakota | 16 | 2.0 |
| Ohio | 234 | 2.0 |
| Oklahoma | 73 | 1.8 |
| Oregon | 26 | 0.6 |
| Pennsylvania | 36 | 0.3 |
| Rhode Island | 16 | 1.5 |
| South Carolina | 16 | 0.3 |
| South Dakota | 8 | 0.9 |
| Tennessee | 18 | 0.3 |
| Texas | 151 | 0.5 |
| Utah | 2 | 0.1 |
| Vermont | 1 | 0.2 |
| Virginia | 37 | 0.4 |
| Washington | 15 | 0.2 |
| West Virginia | 1 | 0.1 |
| Wisconsin | 56 | 0.9 |
| Wyoming | 2 | 0.3 |
In federal data
- NUCC code364S00000X
- Size rank211th of 688 specialties by records (0.03% of all)
- Part D prescribers361 (19.7% of records)
- Part D claims957 a year per prescriber, on average (83rd of 496)
- Industry payments457 physicians paid $398K in 2024, $871 each on average
- Concentration6 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 clinical nurse specialist records
- Emlyn MannJber, AK1669317319
- Alison Casper, RNFairbanks, AK1023671997
- Jennifer GreenBarrow, AK1386518827
- Caitlin MooreMountain Brk, AL1174271332
- Debra Phillips, MSN, AGCNSMontgomery, AL1891278354
- Rebecca Emmons, CRNPBay Minette, AL1508114422
- Tyler Sturdivant, MSN, RN, AGCNS-BCMobile, AL1730642513
- Laura ZambranaOpelika, AL1679101117
- Sandra German, ANP RNP RNHot Springs, AR1932100625
- Aaron Baxter, APRNConway, AR1679052559
- Ann Blaylock, APNNorth Little Rock, AR1578570131
- Michelle Driskill, NP-CNorth Little Rock, AR1497123129
- Vicki Mabry, APNLittle Rock, AR1912995911
- Rhonda Evans, APRNLittle Rock, AR1447621255
- Sydney Wilbourn, RNLittle Rock, AR1487498994
- Deborah Fairchild, RNPJonesboro, AR1851315352
Registry order, not a ranking. Search by name to find one provider.
Common questions
Where does the large Clinical Nurse Specialist headcount concentrate?
1,835 Clinical Nurse Specialist NPIs span 52 states; Ohio alone holds 234. Top metros include Cleveland, OH; Rochester, MN; Houston, TX; Austin, TX. Nationally this is 211th of 688 NUCC codes.
How large is Clinical Nurse Specialist's Open Payments footprint?
CMS Open Payments 2024 lists 457 Clinical Nurse Specialist physicians totaling $398K (5,254 payments; average $871, 241st of 470). Presence in Open Payments is not a quality judgment.
How heavy is Clinical Nurse Specialist Part D prescribing at scale?
Among Clinical Nurse Specialist NPIs, 361 appear in the Medicare Part D Prescriber PUF (average 957 claims and $206K drug cost per prescriber; 83rd 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.