Allergy Physician
NUCC 207KA0200X · Allergy & Immunology
1,015 CMS NPPES-registered providers across 50 states · 261st of 690 specialties by headcount.
Where this specialty sits in the corpus
Allergy Physician ranks 261st of 690 NUCC specialties by CMS NPPES headcount (0.01% of all registered NPIs), densest in California; per resident Maryland leads.
- 1,015
- NPPES providers in specialty
- 261st
- of 690 specialties
- 597
- state-share HHI
- 62.8%
- Part D prescriber share
Maryland is densest per capita (1.9× the national rate; Delaware 1.9×); 22.4% of the Allergy & Immunology category.
Taxonomy fingerprint
Allergy Physician (NUCC 207KA0200X; 62.8% Part D prescribers (637 of 1,015); avg 805 Part D claims/prescriber (201st of 572); Open Payments avg $8K/physician (55th of 551; 486 paid, $3.8M total); state-share HHI 597; next-larger headcount neighbor Oncology Registered Nurse (+10); next-smaller Trauma Surgery Physician (-5)).
Next larger: Oncology Registered Nurse (1,025) Next smaller: Trauma Surgery Physician (1,010)
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
- Maryland 1.9× · 0.6/100k
- Delaware 1.9× · 0.6/100k
- New Hampshire 1.9× · 0.6/100k
- Rhode Island 1.8× · 0.5/100k
- Massachusetts 1.8× · 0.5/100k
Under-indexed vs national rate
- North Carolina 0.28× · 0.1/100k
- Arizona 0.49× · 0.1/100k
- Minnesota 0.52× · 0.2/100k
- Indiana 0.58× · 0.2/100k
- Utah 0.59× · 0.2/100k
Which states have the most providers?
| # | State | Providers |
|---|---|---|
| 1 | California | 160 |
| 2 | New York | 105 |
| 3 | Texas | 70 |
| 4 | Illinois | 60 |
| 5 | Florida | 57 |
| 6 | New Jersey | 46 |
| 7 | Massachusetts | 38 |
| 8 | Pennsylvania | 38 |
| 9 | Maryland | 36 |
| 10 | Michigan | 32 |
| 11 | Virginia | 31 |
| 12 | Georgia | 25 |
| 13 | Tennessee | 24 |
| 14 | Ohio | 23 |
| 15 | Missouri | 21 |
Top Cities for Allergy Physician
| # | City | Providers |
|---|---|---|
| 1 | New YorkNew York | 17 |
| 2 | Orland ParkIllinois | 11 |
| 3 | BrooklynNew York | 11 |
| 4 | HoustonTexas | 11 |
| 5 | Los AngelesCalifornia | 10 |
| 6 | San DiegoCalifornia | 10 |
| 7 | ChicagoIllinois | 10 |
| 8 | NashvilleTennessee | 10 |
| 9 | San AntonioTexas | 10 |
| 10 | BaltimoreMaryland | 9 |
| 11 | FresnoCalifornia | 7 |
| 12 | SacramentoCalifornia | 7 |
Sample Allergy Physician NPIs
A directory sample from this NUCC code (not a ranking). Names and locations are unique to this taxonomy.
| # | Provider |
|---|---|
| 1 | Todd Holman, M.D.Longview, TX |
| 2 | Jean Murphree, MDSan Antonio, TX |
| 3 | John Bacon, M.D.Towson, MD |
| 4 | Edward Kerwin, M.D.Medford, OR |
| 5 | Robert Rogers, M.D.Fort Worth, TX |
| 6 | Donald Accetta, M.D., M.P.HTaunton, MA |
| 7 | Vanitcha Pintavorn, MDEvans, GA |
| 8 | Jose Venzor, M.D.El Paso, TX |
| 9 | Jane Unzeitig, M.D.Laredo, TX |
| 10 | Timothy Sullivan, M.D.Ogden, UT |
| 11 | Marc Sicklick, MDCedarhurst, NY |
| 12 | Leslie Newman, M.D.Smyrna, TN |
| 13 | Robert Hart, M.D.Flossmoor, IL |
| 14 | Gary Smith, M.D.Corpus Christi, TX |
| 15 | Peter Ruggiero, M.D.Longwood, FL |
| 16 | Lawrence Pincus, MDWorcester, MA |
| 17 | Robert Sikora, M.D.Woodbridge, VA |
| 18 | John Sullivan, MDWorcester, MA |
Related Specialties
Adjacent specialties in the NUCC Health Care Provider Taxonomy - same Allergy & Immunology category.
Compare Allergy Physician vs Allergy & Immunology Physician →
Frequently Asked Questions
How should I read Allergy Physician's mid-pack national roster?
How does Allergy Physician 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.