Gastroenterology Registered Nurse
NUCC 163WG0100X · Registered Nurse
424 CMS NPPES-registered providers across 47 states · 353rd of 690 specialties by headcount.
Where this specialty sits in the corpus
Gastroenterology Registered Nurse ranks 353rd of 690 NUCC specialties by CMS NPPES headcount (0.01% of all registered NPIs), densest in California; per resident Idaho leads.
- 424
- NPPES providers in specialty
- 353rd
- of 690 specialties
- 650
- state-share HHI
- 10.4%
- Part D prescriber share
Idaho is densest per capita (8.1× the national rate; North Dakota 7.1×); 0.1% of the Registered Nurse category.
Taxonomy fingerprint
Gastroenterology Registered Nurse (NUCC 163WG0100X; 10.4% Part D prescribers (44 of 424); avg 987 Part D claims/prescriber (152nd of 572); Open Payments avg $2K/physician (219th of 551; 45 paid, $70K total); state-share HHI 650; next-larger headcount neighbor Pediatric Allergy/Immunology Physician (+15); next-smaller Rehabilitation Registered Nurse (-4)).
Next larger: Pediatric Allergy/Immunology Physician (439) Next smaller: Rehabilitation Registered Nurse (420)
Which states have the most providers?
Sample Gastroenterology Registered Nurse NPIs
A directory sample from this NUCC code (not a ranking). Names and locations are unique to this taxonomy.
| # | Provider |
|---|---|
| 1 | Elaine Rawsky, GNPHowell, MI |
| 2 | Cindy Williams, CRNACamp Hill, PA |
| 3 | Jeannette Barnes, CRNACamp Hill, PA |
| 4 | Jennette Butterfield, NPPWarwick, RI |
| 5 | Patricia Rau, MSN, CGRN, ANPGrand Rapids, MI |
| 6 | Vicki McIntyre, MSN, FNPTucson, AZ |
| 7 | Susanne McKinney, N.P.Kingsport, TN |
| 8 | Rosemary Ashby, , MS, ARNP-CTampa, FL |
| 9 | Anne Wuerth, NPAnn Arbor, MI |
| 10 | Kathleen Pinon, RNLees Summit, MO |
| 11 | Terrie Causley, NPFort Belvoir, VA |
| 12 | Sonja Cullen, RNTripler Amc, HI |
Frequently Asked Questions
How should I read Gastroenterology Registered Nurse's mid-pack national roster?
How does Gastroenterology Registered Nurse show up in Open Payments mid-pack?
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.