Allopathic & Osteopathic Physicians · Internal Medicine · Allergy & Immunology
733 NPI-registered Allergy & Immunology (Internal Medicine) Physician providers nationwide. Choose a state to narrow your search, or open the full search to filter by location and credential.
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| Aairs Diagnostics PC | Allergy & Immunology (Internal Medicine) Physician | Troy, MI | 1588078901 |
| Aapdu PLLC | Allergy & Immunology (Internal Medicine) Physician | Katy, TX | 1427910223 |
| Aaron Ver Heul |
| Allergy & Immunology (Internal Medicine) Physician |
| Saint Louis, MO |
| 1023457132 |
| Aasha HarishMD, MPH | Allergy & Immunology (Internal Medicine) Physician | Williamsville, NY | 1922368737 |
| Aasia GhaziM.D. | Allergy & Immunology (Internal Medicine) Physician | Plano, TX | 1386810653 |
| Abbe a Ledbetter Jr MD PA | Allergy & Immunology (Internal Medicine) Physician | Houston, TX | 1679891634 |
| Abc West Solutions Inc | Allergy & Immunology (Internal Medicine) Physician | Las Vegas, NV | 1013406537 |
| Abhilash VaishnavMD | Allergy & Immunology (Internal Medicine) Physician | De Pere, WI | 1063529170 |
| Abigail FinleyMD | Allergy & Immunology (Internal Medicine) Physician | Rapid City, SD | 1679935670 |
| Adeniyi OgunkoyaMD | Allergy & Immunology (Internal Medicine) Physician | Irvington, NJ | 1356432678 |
| Adhuna MathuriaMD | Allergy & Immunology (Internal Medicine) Physician | Aldie, VA | 1720287337 |
| Adina KnightM.D. | Allergy & Immunology (Internal Medicine) Physician | Rockville, MD | 1831124833 |
| Adrian CasillasMD | Allergy & Immunology (Internal Medicine) Physician | El Paso, TX | 1871528125 |
| Ahdad Ziyar, M.D., Inc. | Allergy & Immunology (Internal Medicine) Physician | Santa Ana, CA | 1124726989 |
| Ai-Lan WangMD | Allergy & Immunology (Internal Medicine) Physician | Livingston, NJ | 1487646444 |
| Akila SreedharanM.D. | Allergy & Immunology (Internal Medicine) Physician | Honolulu, HI | 1457364390 |
| Alabama Allergy, Asthma, and Sinus Care | Allergy & Immunology (Internal Medicine) Physician | Madison, AL | 1568150928 |
| Alan BoyarM.D. | Allergy & Immunology (Internal Medicine) Physician | San Antonio, TX | 1295728038 |
| Albany Medical College | Allergy & Immunology (Internal Medicine) Physician | Albany, NY | 1225372436 |
| Albert WuMD | Allergy & Immunology (Internal Medicine) Physician | Houston, TX | 1053721696 |
| Aleena MahmoodMD | Allergy & Immunology (Internal Medicine) Physician | Middletown, NY | 1538785506 |
| Alegra GriebM.D. | Allergy & Immunology (Internal Medicine) Physician | New Orleans, LA | 1760845317 |
| Alex WonnaparhownMD | Allergy & Immunology (Internal Medicine) Physician | Scottsdale, AZ | 1154856052 |
| Alexander BabazadehM.D. | Allergy & Immunology (Internal Medicine) Physician | Brookyln, NY | 1285088815 |
| Alfred JohnsonD.O. | Allergy & Immunology (Internal Medicine) Physician | Richardson, TX | 1255343133 |
| Ali AyyashMD, MPH, MS | Allergy & Immunology (Internal Medicine) Physician | Pittsburgh, PA | 1467913186 |
| Alicia AlvarezMD | Allergy & Immunology (Internal Medicine) Physician | Sarasota, FL | 1538519707 |
| Alireza NejadM.D., PH.D | Allergy & Immunology (Internal Medicine) Physician | Hunt Valley, MD | 1548571607 |
| Allab Medical Clinic | Allergy & Immunology (Internal Medicine) Physician | Rch Cucamonga, CA | 1669210902 |
| Allen AdinoffMD | Allergy & Immunology (Internal Medicine) Physician | Aurora, CO | 1386614691 |
| Allercenter 1 LLC | Allergy & Immunology (Internal Medicine) Physician | Stamford, CT | 1376957894 |
| Allergy & Asthma Associates Ltd | Allergy & Immunology (Internal Medicine) Physician | Crystal Lake, IL | 1013104587 |
| Allergy & Cl Immunology Center | Allergy & Immunology (Internal Medicine) Physician | Westchester, IL | 1043471899 |
| Allergy & Cl Immunology Center | Allergy & Immunology (Internal Medicine) Physician | Elgin, IL | 1508066960 |
| Allergy & Clinical Immunology Center | Allergy & Immunology (Internal Medicine) Physician | Marlton, NJ | 1831492644 |
| Allergy & Clinical Immunology Inc | Allergy & Immunology (Internal Medicine) Physician | Palos Heights, IL | 1215197546 |
| Allergy & Respiratory Care PC | Allergy & Immunology (Internal Medicine) Physician | Worcester, MA | 1346202587 |
| Allergy & Rheumatology Specialists of Houston | Allergy & Immunology (Internal Medicine) Physician | Houston, TX | 1295034635 |
| Allergy - Immunology - Rheumatology Clinical Group | Allergy & Immunology (Internal Medicine) Physician | Rochester, NY | 1497702286 |
| Allergy and Asthma Associated | Allergy & Immunology (Internal Medicine) Physician | Sherman, TX | 1902021157 |
| Allergy and Asthma Center of Excellence | Allergy & Immunology (Internal Medicine) Physician | Dunmore, PA | 1801524897 |
| Allergy and Asthma Consultants PC | Allergy & Immunology (Internal Medicine) Physician | Redwood City, CA | 1346770567 |
| Allergy Associates | Allergy & Immunology (Internal Medicine) Physician | St Petersburg, FL | 1295996692 |
| Allergy Associates of New London, PC | Allergy & Immunology (Internal Medicine) Physician | New London, CT | 1235176595 |
| Allergy Asthma & Immunology Relief, PA | Allergy & Immunology (Internal Medicine) Physician | Charlotte, NC | 1548511314 |
| Allergy Asthma and Sinus Institute | Allergy & Immunology (Internal Medicine) Physician | Mount Laurel, NJ | 1194376236 |
| Allergy Medical Associates LLC | Allergy & Immunology (Internal Medicine) Physician | Las Vegas, NV | 1609023035 |
| Allergy Medical Group, Inc. | Allergy & Immunology (Internal Medicine) Physician | Newport Beach, CA | 1720289788 |
| Allergy Sinus & Arthritis Clinic, PLLC | Allergy & Immunology (Internal Medicine) Physician | Houston, TX | 1568974459 |
| Allergy, Asthma, & Immunology Schenectady | Allergy & Immunology (Internal Medicine) Physician | Schenectady, NY | 1124301734 |
Source: CMS NPPES Data Dissemination (June 2026). Specialty taxonomy: NUCC.
