Perioperative Clinical Nurse Specialist

NUCC 364SP2800X · Clinical Nurse Specialist

73 CMS NPPES-registered providers across 25 states · 557th of 690 specialties by headcount.

73
Providers
CMS NPPES-registered
25
States
with ≥1 NPI
California
Top state
9 providers
$130
Open Pay avg
504th of 552 specialties

Where this specialty sits in the corpus

Perioperative Clinical Nurse Specialist ranks 557th of 690 NUCC specialties by CMS NPPES headcount (0% of all registered NPIs), densest in California; per resident Oregon leads.

73
NPPES providers in specialty
557th
of 690 specialties
617
state-share HHI
1.4%
Part D prescriber share

Oregon is densest per capita (7.7× the national rate; Colorado 3.9×); 0.8% of the Clinical Nurse Specialist category.

Taxonomy fingerprint

Perioperative Clinical Nurse Specialist (NUCC 364SP2800X; 1.4% Part D prescribers (1 of 73); avg 32 Part D claims/prescriber (536th of 567); Open Payments avg $130/physician (504th of 552; 8 paid, $1K total); state-share HHI 617; next-larger headcount neighbor Pulmonary Function Technologist (+1); next-smaller Continence Care Registered Nurse (-1)).

Next larger: Pulmonary Function Technologist (74) Next smaller: Continence Care Registered Nurse (72)

Which states have the most providers?

# State Providers
1 California 9
2 Oregon 7
3 New Jersey 6
4 Arizona 5
5 Colorado 5
6 Maryland 5
7 Florida 4
8 Washington 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/CRNFA Casa Grande, AZ
2 Gerard Dunphy, RNFA San Francisco, CA
3 Charlton Covill, RN - CRNFA Chandler, AZ
4 Lana Andersen, CRNFA Phoenix, AZ
5 Elizabeth Calhoun, RNFA Lake Wales, FL
6 Patricia Creach, RNFA Lakeland, FL
7 Elise Schilb, CRNFA Moline, IL
8 Stephen Patten, RN, CNS Portland, OR
9 Kathleen Campbell, RNFA Gilbert, AZ
10 M. Smith, CRNFA Lebanon, OR
11 Linda White, CNOR Corvallis, OR
12 Gayla Bergman Temple City, CA

Frequently Asked Questions

How many Perioperative Clinical Nurse Specialist providers are in the US?
There are 73 Perioperative Clinical Nurse Specialist providers registered in the CMS NPPES database across 25 US states and territories. California has the most with 9 providers. Among 690 NUCC specialties, this code ranks 557th by headcount.
Do Perioperative Clinical Nurse Specialist clinicians appear in Open Payments?
CMS Open Payments 2024 lists 8 Perioperative Clinical Nurse Specialist physicians receiving industry payments totaling $1K (34 payments; average $130 per paid physician, 504th of 552 specialties by average). Presence in Open Payments is not a quality judgment.
How much Part D prescribing does this specialty do?
Among Perioperative Clinical Nurse Specialist NPIs, 1 appear in the Medicare Part D Prescriber PUF (average 32 claims and $3K drug cost per prescriber; 536th of 567 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 2026-05-20.