Ambulatory Women's Health Care Registered Nurse
NUCC 163WW0101X · Registered Nurse
976 CMS NPPES-registered providers across 52 states · 267th of 690 specialties by headcount.
Where this specialty sits in the corpus
Ambulatory Women's Health Care Registered Nurse ranks 267th of 690 NUCC specialties by CMS NPPES headcount (0.01% of all registered NPIs), densest in California; per resident District of Columbia leads.
- 976
- NPPES providers in specialty
- 267th
- of 690 specialties
- 689
- state-share HHI
- 11.6%
- Part D prescriber share
District of Columbia is densest per capita (4.6× the national rate; Colorado 2.2×); 0.3% of the Registered Nurse category.
Taxonomy fingerprint
Ambulatory Women's Health Care Registered Nurse (NUCC 163WW0101X; 11.6% Part D prescribers (113 of 976); avg 213 Part D claims/prescriber (423rd of 572); Open Payments avg $646/physician (326th of 551; 115 paid, $74K total); state-share HHI 689; next-larger headcount neighbor Retina Specialist (Ophthalmology) Physician (+7); next-smaller Developmental - Behavioral Pediatrics Physician (-2)).
Next larger: Retina Specialist (Ophthalmology) Physician (983) Next smaller: Developmental - Behavioral Pediatrics Physician (974)
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
- District of Columbia 4.6× · 1.3/100k
- Colorado 2.2× · 0.6/100k
- New Mexico 2.1× · 0.6/100k
- Tennessee 1.9× · 0.5/100k
- California 1.8× · 0.5/100k
Which states have the most providers?
| # | State | Providers |
|---|---|---|
| 1 | California | 205 |
| 2 | Texas | 64 |
| 3 | Pennsylvania | 62 |
| 4 | Tennessee | 39 |
| 5 | North Carolina | 38 |
| 6 | Colorado | 37 |
| 7 | Georgia | 37 |
| 8 | Washington | 35 |
| 9 | New York | 33 |
| 10 | Florida | 31 |
| 11 | Massachusetts | 31 |
| 12 | Arizona | 30 |
| 13 | Ohio | 29 |
| 14 | Maryland | 25 |
| 15 | Michigan | 23 |
Top Cities for Ambulatory Women's Health Care Registered Nurse
| # | City | Providers |
|---|---|---|
| 1 | San RafaelCalifornia | 28 |
| 2 | SeattleWashington | 16 |
| 3 | NashvilleTennessee | 14 |
| 4 | San FranciscoCalifornia | 13 |
| 5 | HoustonTexas | 12 |
| 6 | San DiegoCalifornia | 11 |
| 7 | GastoniaNorth Carolina | 10 |
| 8 | DenverColorado | 9 |
| 9 | WashingtonDistrict of Columbia | 9 |
| 10 | CambridgeMassachusetts | 9 |
| 11 | BaltimoreMaryland | 9 |
| 12 | ClevelandOhio | 9 |
Sample Ambulatory Women's Health Care Registered Nurse NPIs
A directory sample from this NUCC code (not a ranking). Names and locations are unique to this taxonomy.
| # | Provider |
|---|---|
| 1 | Camilla Bicknell, RNColorado Springs, CO |
| 2 | Linda Bergin Fallon, R.N.N.P.Medford, MA |
| 3 | Christine Sullivan, CNM, FNP, PHD, MSNSan Diego, CA |
| 4 | Cheryl Smith, NPArnold, CA |
| 5 | Teri Russell, NPLangley Afb, VA |
| 6 | Barbara Persons, CNPSpringfield, OH |
| 7 | Cathleen Errett, CERTIFIED NURSE PRACDurango, CO |
| 8 | Mitzi Siebert, NURSE PRACTITIONERWest Valley City, UT |
| 9 | Patricia Morrison, RN, PHN, NPYreka, CA |
| 10 | Mary Smith, APRNNorfolk, NE |
| 11 | Janet Isabell, RNCGrand Rapids, MI |
| 12 | Cheryl Giese, NPBaltimore, MD |
| 13 | Cassandra Campbell, CRNPReading, PA |
| 14 | Ann Shah, NPAnaheim, CA |
| 15 | Karen KudiaOcala, FL |
| 16 | Susan BassHonolulu, HI |
| 17 | Sheela SolomonMinneapolis, MN |
| 18 | Jean Geller, NPFresno, CA |
Related Specialties
Adjacent specialties in the NUCC Health Care Provider Taxonomy - same Registered Nurse category.
Compare Ambulatory Women's Health Care Registered Nurse vs Registered Nurse →
Frequently Asked Questions
How should I read Ambulatory Women's Health Care Registered Nurse's mid-pack national roster?
How does Ambulatory Women's Health Care 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.