Perioperative Clinical Nurse Specialist
NUCC 364SP2800X · Clinical Nurse Specialist
78 CMS NPPES-registered providers across 26 states · 556th of 690 specialties by headcount.
Where this specialty sits in the corpus
Perioperative Clinical Nurse Specialist ranks 556th of 690 NUCC specialties by CMS NPPES headcount (0% of all registered NPIs), densest in California; per resident Oregon leads.
- 78
- NPPES providers in specialty
- 556th
- of 690 specialties
- 598
- state-share HHI
- 1.3%
- Part D prescriber share
Oregon is densest per capita (7.2× the national rate; Maryland 4.2×); 0.8% of the Clinical Nurse Specialist category.
Taxonomy fingerprint
Perioperative Clinical Nurse Specialist (NUCC 364SP2800X; 1.3% Part D prescribers (1 of 78); avg 33 Part D claims/prescriber (548th of 572); Open Payments avg $130/physician (501st of 551; 8 paid, $1K total); state-share HHI 598; next-larger headcount neighbor Driving and Community Mobility Occupational Therapy Assistant (+1); next-smaller Perinatal Nurse Practitioner (-1)).
Next larger: Driving and Community Mobility Occupational Therapy Assistant (79) Next smaller: Perinatal Nurse Practitioner (77)
Which states have the most providers?
| # | State | Providers |
|---|---|---|
| 1 | California | 9 |
| 2 | Oregon | 7 |
| 3 | Maryland | 6 |
| 4 | New Jersey | 6 |
| 5 | Arizona | 5 |
| 6 | Colorado | 5 |
| 7 | Washington | 5 |
| 8 | Florida | 4 |
Sample Perioperative Clinical Nurse Specialist NPIs
A directory sample from this NUCC code (not a ranking). Names and locations are unique to this taxonomy.
| # | Provider |
|---|---|
| 1 | Kary O'Connor, CNS/CRNFACasa Grande, AZ |
| 2 | Gerard Dunphy, RNFASan Francisco, CA |
| 3 | Charlton Covill, RN - CRNFAChandler, AZ |
| 4 | Lana Andersen, CRNFAPhoenix, AZ |
| 5 | Elizabeth Calhoun, RNFALake Wales, FL |
| 6 | Patricia Creach, RNFALakeland, FL |
| 7 | Elise Schilb, CRNFAMoline, IL |
| 8 | Stephen Patten, RN, CNSPortland, OR |
| 9 | Kathleen Campbell, RNFAGilbert, AZ |
| 10 | M. Smith, CRNFALebanon, OR |
| 11 | Linda White, CNORCorvallis, OR |
| 12 | Gayla BergmanTemple City, CA |
Frequently Asked Questions
Why is Perioperative Clinical Nurse Specialist a thin NUCC code in NPPES?
Do the few Perioperative Clinical Nurse Specialist NPIs in Open Payments look unusual?
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 2026-08-27.