Informatics Clinical Nurse Specialist

Compiled from official public sources by the editorial process. · Updated August 2026

NUCC 364SI0800X · Clinical Nurse Specialist

24 CMS NPPES-registered providers across 14 states · 639th of 690 specialties by headcount.

Providers

CMS NPPES-registered

States

with ≥1 NPI

California

Top state

3 providers

28th

In category

of 33 Clinical Nurse Specialist codes

Where this specialty sits in the corpus

Informatics Clinical Nurse Specialist ranks 639th of 690 NUCC specialties by CMS NPPES headcount (0% of all registered NPIs), densest in California.

24
NPPES providers in specialty: 639th
of 690 specialties: 868
state-share HHI: 37.5%
in top 3 states

5 states hold half of this specialty's national roster; 0.3% of the Clinical Nurse Specialist category.

Taxonomy fingerprint

Informatics Clinical Nurse Specialist (NUCC 364SI0800X; state-share HHI 868; next-larger headcount neighbor Blood Banking Specialist/Technologist (+1); next-smaller Molecular Genetic Pathology (Medical Genetics) Physician (-2)).

Next larger: Blood Banking Specialist/Technologist (25) Next smaller: Molecular Genetic Pathology (Medical Genetics) Physician (22)

Which states have the most providers?

#	State	Providers	% of specialty
1	California	3	12.5%
2	Florida	3	12.5%
3	Illinois	3	12.5%
4	New York	2	8.3%
5	Ohio	2	8.3%
6	Pennsylvania	2	8.3%
7	Washington	2	8.3%
8	Colorado	1	4.2%

Sample Informatics Clinical Nurse Specialist NPIs

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

#	Provider	State
1	Rose Lester, CNSJamaica, NY	New York
2	Ann Phelan, M.S.N., R.N.Bronx, NY	New York
3	Theresa Settergren, RNWest Hollywood, CA	California
4	Kari Ballou, MSN, RN, CNORDenver, CO	Colorado
5	Petrina Beugre, REGISTERED NURSEBoynton Beach, FL	Florida
6	Lawrenta Okojie, DNP, MSN-ED, BSN, RNAccokeek, MD	Maryland
7	Kathleen Taylor, DNPHawthorn Woods, IL	Illinois
8	Sean McFarland, RN-BCFresno, CA	California
9	Tyler Kelleher, MSN, NI-BCAkron, OH	Ohio
10	Leah Glavan, BSN RN CISTorrance, CA	California
11	Zuleyka Solis-Tacoronte, MSN RNOrlando, FL	Florida
12	Laura McGrathOrlando, FL	Florida

All specialties · Search NPIs

Frequently Asked Questions

Why is Informatics Clinical Nurse Specialist a thin NUCC code in NPPES?

Only 24 NPIs list Informatics Clinical Nurse Specialist as primary taxonomy across 14 states (peak California, 3). That is 639th of 690 NUCC codes by headcount. Thin codes are still searchable by NPI; do not treat the low count as a quality signal.

Where can I still find an Informatics Clinical Nurse Specialist?

Informatics Clinical Nurse Specialist providers are listed in 14 states; Orlando leads by raw city count. By national headcount this code sits just above Molecular Genetic Pathology (Medical Genetics) Physician and just below Blood Banking Specialist/Technologist. Browse by state or search by name.

What does NUCC code 364SI0800X mean?

Informatics Clinical Nurse Specialist is NUCC taxonomy 364SI0800X in the Clinical Nurse Specialist group. Counts are self-designated primary taxonomy at NPI enrollment, not board certification.

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.