Gerontology Registered Nurse
NUCC 163WG0600X · Registered Nurse
772 CMS NPPES-registered providers across 49 states · 295th of 690 specialties by headcount.
Where this specialty sits in the corpus
Gerontology Registered Nurse ranks 295th of 690 NUCC specialties by CMS NPPES headcount (0.01% of all registered NPIs), densest in Ohio; per resident Oregon leads.
- 772
- NPPES providers in specialty
- 295th
- of 690 specialties
- 462
- state-share HHI
- 12.3%
- Part D prescriber share
Oregon is densest per capita (4.5× the national rate; Ohio 2.8×); 0.3% of the Registered Nurse category.
Taxonomy fingerprint
Gerontology Registered Nurse (NUCC 163WG0600X; 12.3% Part D prescribers (95 of 772); avg 1,748 Part D claims/prescriber (51st of 572); Open Payments avg $602/physician (336th of 551; 66 paid, $40K total); state-share HHI 462; next-larger headcount neighbor Metabolic Nutrition Registered Dietitian (+8); next-smaller Medical Technologist (-4)).
Next larger: Metabolic Nutrition Registered Dietitian (780) Next smaller: Medical Technologist (768)
Population-adjusted state index
Each multiple is this specialty's providers-per-resident in a state divided by the national rate (Census Vintage population estimates). Raw headcount favors large states; this ranking surfaces denser markets.
Over-indexed vs national rate
- Oregon 4.5× · 1/100k
- Ohio 2.8× · 0.6/100k
- New Jersey 1.8× · 0.4/100k
- Indiana 1.7× · 0.4/100k
- Minnesota 1.6× · 0.4/100k
Under-indexed vs national rate
- Virginia 0.41× · 0.1/100k
- Tennessee 0.49× · 0.1/100k
- North Carolina 0.57× · 0.1/100k
- Arizona 0.59× · 0.1/100k
- Texas 0.62× · 0.1/100k
Which states have the most providers?
| # | State | Providers |
|---|---|---|
| 1 | Ohio | 75 |
| 2 | New York | 62 |
| 3 | California | 60 |
| 4 | Oregon | 43 |
| 5 | Texas | 43 |
| 6 | Pennsylvania | 40 |
| 7 | New Jersey | 39 |
| 8 | Florida | 36 |
| 9 | Michigan | 34 |
| 10 | Illinois | 28 |
| 11 | Indiana | 26 |
| 12 | Washington | 25 |
| 13 | Georgia | 24 |
| 14 | Minnesota | 21 |
| 15 | Massachusetts | 18 |
Top Cities for Gerontology Registered Nurse
| # | City | Providers |
|---|---|---|
| 1 | PortlandOregon | 32 |
| 2 | DetroitMichigan | 17 |
| 3 | ChillicotheOhio | 11 |
| 4 | BronxNew York | 8 |
| 5 | San DiegoCalifornia | 7 |
| 6 | VinelandNew Jersey | 7 |
| 7 | KerrvilleTexas | 7 |
| 8 | TucsonArizona | 6 |
| 9 | New YorkNew York | 6 |
| 10 | CincinnatiOhio | 6 |
| 11 | San FranciscoCalifornia | 5 |
| 12 | SanteeCalifornia | 5 |
Sample Gerontology Registered Nurse NPIs
A directory sample from this NUCC code (not a ranking). Names and locations are unique to this taxonomy.
| # | Provider |
|---|---|
| 1 | Kathleen Baldwin, ANP, GNP, CNSFort Worth, TX |
| 2 | Brenda Annotti, F.N.P.Portland, OR |
| 3 | Beth Yarnold, CRNPBel Air, MD |
| 4 | Linda Lamson, RNC, LNHALexington, OH |
| 5 | Patricia Schwabenbauer, CRNPErie, PA |
| 6 | Karin Cole, RNSarasota, FL |
| 7 | Denise Egan, APRN-BCNorwell, MA |
| 8 | Laurie RitzSt Louis Park, MN |
| 9 | Tara SchlattmanSt Louis Park, MN |
| 10 | Judith Russell, GNPLakewood, CO |
| 11 | Susan Kihlmire, APRN,BCHendersonville, TN |
| 12 | Annie McCarter-Bayer, NPTucson, AZ |
| 13 | Fred Fox, R.N.Cincinnati, OH |
| 14 | Sherol Holck, NPHastings, MN |
| 15 | Deborah Pontoriero, ARNPLinwood, NJ |
| 16 | Portia Saucelo, NPMartinez, CA |
| 17 | Karen SemmensGrand Forks, ND |
| 18 | Joseph Drawdy, APRNSalem, KY |
Related Specialties
Adjacent specialties in the NUCC Health Care Provider Taxonomy - same Registered Nurse category.
Frequently Asked Questions
How should I read Gerontology Registered Nurse's mid-pack national roster?
How does Gerontology 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.