Registered Respiratory Therapist
NUCC 227900000X · Respiratory Therapist, Registered
4,347 CMS NPPES-registered providers across 54 states · 139th of 690 specialties by headcount.
Where this specialty sits in the corpus
Registered Respiratory Therapist ranks 139th of 690 NUCC specialties by CMS NPPES headcount (0.06% of all registered NPIs), densest in California; per resident Wyoming leads.
- 4,347
- NPPES providers in specialty
- 139th
- of 690 specialties
- 923
- state-share HHI
- 0.3%
- Part D prescriber share
Wyoming is densest per capita (3.5× the national rate; South Dakota 3.1×); 72% of the Respiratory Therapist, Registered category.
Taxonomy fingerprint
Registered Respiratory Therapist (NUCC 227900000X; 0.3% Part D prescribers (11 of 4,347); avg 747 Part D claims/prescriber (221st of 572); Open Payments avg $810/physician (297th of 551; 5 paid, $4K total); state-share HHI 923; next-larger headcount neighbor Vascular Surgery Physician (+15); next-smaller Geriatric Medicine (Internal Medicine) Physician (-132)).
Next larger: Vascular Surgery Physician (4,362) Next smaller: Geriatric Medicine (Internal Medicine) Physician (4,215)
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
- Wyoming 3.5× · 4.5/100k
- South Dakota 3.1× · 4/100k
- Alaska 2.5× · 3.3/100k
- North Dakota 2.2× · 2.8/100k
- California 2.1× · 2.7/100k
Under-indexed vs national rate
- Hawaii 0.27× · 0.3/100k
- Utah 0.27× · 0.4/100k
- Connecticut 0.30× · 0.4/100k
- Maryland 0.30× · 0.4/100k
- Puerto Rico 0.32× · 0.4/100k
Which states have the most providers?
| # | State | Providers |
|---|---|---|
| 1 | California | 1,068 |
| 2 | Florida | 578 |
| 3 | Texas | 211 |
| 4 | Arizona | 187 |
| 5 | Washington | 181 |
| 6 | North Carolina | 167 |
| 7 | Tennessee | 138 |
| 8 | Ohio | 127 |
| 9 | Michigan | 107 |
| 10 | New York | 107 |
| 11 | Georgia | 99 |
| 12 | Missouri | 74 |
| 13 | Virginia | 71 |
| 14 | Pennsylvania | 60 |
| 15 | Illinois | 59 |
Top Cities for Registered Respiratory Therapist
| # | City | Providers |
|---|---|---|
| 1 | Los AngelesCalifornia | 200 |
| 2 | SeattleWashington | 149 |
| 3 | TucsonArizona | 78 |
| 4 | San DiegoCalifornia | 64 |
| 5 | TampaFlorida | 56 |
| 6 | San AntonioTexas | 56 |
| 7 | Santa ClaraCalifornia | 54 |
| 8 | GainesvilleFlorida | 54 |
| 9 | LivingstonTennessee | 54 |
| 10 | DallasTexas | 52 |
| 11 | MiamiFlorida | 47 |
| 12 | Fort DefianceArizona | 41 |
Sample Registered Respiratory Therapist NPIs
A directory sample from this NUCC code (not a ranking). Names and locations are unique to this taxonomy.
| # | Provider |
|---|---|
| 1 | Christopher Brancato, B.A,, R.R.T.Palmyra, VA |
| 2 | Joseph Aiello, RCPSomerset, OH |
| 3 | Denise Ery, RRTWestminster, CO |
| 4 | Mitch Robertson, RRTFayetteville, NC |
| 5 | Theresa Reiner Massey, PA-CCharlotte, NC |
| 6 | Armando BoucourtMiami, FL |
| 7 | James Gilanyi, RTSomerset, NJ |
| 8 | Kathleen Izzo, RRTCedar Knolls, NJ |
| 9 | Michele Dasilva, RRTCedar Knolls, NJ |
| 10 | Jacqueline Shoshan, RRTLivingston, NJ |
| 11 | Judith Howse, R.R.T.Norfolk, VA |
| 12 | Christine Griffith, LRTPueblo, CO |
| 13 | Nancy ShultzPueblo, CO |
| 14 | Asa Jenrette, R.R.T., M.B.A.Hampton, VA |
| 15 | Kim Ivy, RRTHampton, VA |
| 16 | Rudy Brantley, RRTVirginia Beach, VA |
| 17 | Fred Trunik, RRTHampton, VA |
| 18 | Shiela Ashburn, RRTHampton, VA |
Related Specialties
Adjacent specialties in the NUCC Health Care Provider Taxonomy - same Respiratory Therapist, Registered category.
Compare Registered Respiratory Therapist vs Critical Care Registered Respiratory Therapist →
Frequently Asked Questions
Where does the large Registered Respiratory Therapist headcount concentrate?
How large is Registered Respiratory Therapist's Open Payments footprint?
How heavy is Registered 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.