Certified Respiratory Therapist
NUCC 227800000X · Respiratory Therapist, Certified
1,600 CMS NPPES-registered providers across 48 states · 219th of 690 specialties by headcount.
Where this specialty sits in the corpus
Certified Respiratory Therapist ranks 219th of 690 NUCC specialties by CMS NPPES headcount (0.02% of all registered NPIs), densest in California; per resident Alaska leads.
- 1,600
- NPPES providers in specialty
- 219th
- of 690 specialties
- 921
- state-share HHI
- 0.1%
- Part D prescriber share
Alaska is densest per capita (7.2× the national rate; Nevada 4.1×); 65.3% of the Respiratory Therapist, Certified category.
Taxonomy fingerprint
Certified Respiratory Therapist (NUCC 227800000X; 0.1% Part D prescribers (1 of 1,600); avg 234 Part D claims/prescriber (409th of 572); Open Payments avg $285/physician (434th of 551; 4 paid, $1K total); state-share HHI 921; next-larger headcount neighbor Interventional Pain Medicine Physician (+3); next-smaller Surgical Critical Care Physician (-38)).
Next larger: Interventional Pain Medicine Physician (1,603) Next smaller: Surgical Critical Care Physician (1,562)
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
- Alaska 7.2× · 3.4/100k
- Nevada 4.1× · 1.9/100k
- Arizona 2.5× · 1.2/100k
- Arkansas 2.3× · 1.1/100k
- North Carolina 2.2× · 1/100k
Under-indexed vs national rate
- Massachusetts 0.18× · 0.1/100k
- Ohio 0.25× · 0.1/100k
- Utah 0.31× · 0.1/100k
- Pennsylvania 0.33× · 0.2/100k
- Michigan 0.34× · 0.2/100k
Which states have the most providers?
| # | State | Providers |
|---|---|---|
| 1 | California | 389 |
| 2 | Florida | 191 |
| 3 | North Carolina | 111 |
| 4 | Arizona | 87 |
| 5 | Texas | 84 |
| 6 | Nevada | 62 |
| 7 | Tennessee | 57 |
| 8 | Georgia | 50 |
| 9 | Illinois | 36 |
| 10 | Arkansas | 34 |
| 11 | New York | 33 |
| 12 | Washington | 30 |
| 13 | New Jersey | 27 |
| 14 | Alaska | 25 |
| 15 | Virginia | 23 |
Top Cities for Certified Respiratory Therapist
| # | City | Providers |
|---|---|---|
| 1 | GreenvilleNorth Carolina | 59 |
| 2 | Los AngelesCalifornia | 52 |
| 3 | Las VegasNevada | 33 |
| 4 | MiamiFlorida | 26 |
| 5 | PhoenixArizona | 24 |
| 6 | TucsonArizona | 24 |
| 7 | LivingstonTennessee | 22 |
| 8 | AtlantaGeorgia | 20 |
| 9 | AnchorageAlaska | 19 |
| 10 | DowneyCalifornia | 19 |
| 11 | TorranceCalifornia | 18 |
| 12 | SeattleWashington | 18 |
Sample Certified Respiratory Therapist NPIs
A directory sample from this NUCC code (not a ranking). Names and locations are unique to this taxonomy.
| # | Provider |
|---|---|
| 1 | Patricia Lowery, NDT CRTTDublin, GA |
| 2 | Glenn Guevarra, RTMorton Grove, IL |
| 3 | Sheryl Smith, CRTSaint Joseph, MO |
| 4 | Kevin Hamby, RVS / CRTSherman, TX |
| 5 | Joe Henry, CRTTahlequah, OK |
| 6 | Fran Yokopovich, R.C.T.Houston, TX |
| 7 | Eliza Beringhause, RRT,AE-CProvidence, RI |
| 8 | Bonnie Castro, CRTFt Carson, CO |
| 9 | Mary LarueStanley, WI |
| 10 | Sheri Vroman, CRT, RCPMoline, IL |
| 11 | Karen Petersen, CRTMoline, IL |
| 12 | Prue Armstrong, RCPOklahoma City, OK |
| 13 | Kelly Sulak, CRTMontgomery, TX |
| 14 | Margarette Laborde, REG RESP THERAPISTNew York, NY |
| 15 | Sultan Taher, R.T.Oak Lawn, IL |
| 16 | Michael Leibowitz, RRTNew York, NY |
| 17 | Saul Alvarez, RRT RPSGTLake Havasu City, AZ |
| 18 | Wade ReinitzEvansville, IN |
Related Specialties
Adjacent specialties in the NUCC Health Care Provider Taxonomy - same Respiratory Therapist, Certified category.
Compare Certified Respiratory Therapist vs Critical Care Certified Respiratory Therapist →
Frequently Asked Questions
Where does the large Certified Respiratory Therapist headcount concentrate?
How large is Certified Respiratory Therapist's Open Payments footprint?
How heavy is Certified Respiratory Therapist Part D prescribing at scale?
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.