Ryan B Israelsen, MD
Ryan B Israelsen, MD practises Allergy/Immunology in Medford, Oregon. Graduated from University of Utah School of Medicine in 2012, 14 years ago. Practices with Allergy and Asthma Center of Southern Oregon, PC, a 7-clinician group and accepts Medicare assignment. Licensed in Oregon.
- Years since qualifying
- 14
- Trained at
- University of Utah School of Medicine
- Licensed in
- OR
- In the registry since
- 2012
- Specialties on file
- 4
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Address checks out
3121 Signature CtMedford, OR 97504-7738
Phone: (541) 858-1003
Fax: (541) 255-2997
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Allergy & Immunology Physician (primary) | Taxonomy 207K00000X · Licence MD187596 (OR) |
|---|---|
| Pediatric Allergy/Immunology Physician | Taxonomy 2080P0201X · Licence MD187596 (OR) |
| Pediatrics Physician | Taxonomy 208000000X · Licence MD187596 (OR) |
| Internal Medicine Physician | Taxonomy 207R00000X · Licence MD187596 (OR) |
Record details
| NPI number | 1487910766 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MD |
| Sole proprietor | No |
| NPI enumerated | April 11, 2012 |
| Last updated in NPPES | April 27, 2026 |
| Certification date | April 27, 2026 |
Medicare enrollment
| Medicare specialty | ALLERGY/IMMUNOLOGY |
|---|---|
| Also practises | INTERNAL MEDICINE, PEDIATRIC MEDICINE |
| Medical school | UNIVERSITY OF UTAH SCHOOL OF MEDICINE |
| Graduated | 2012 (14 years in practice) |
| Group practice | Allergy And Asthma Center Of Southern Oregon, Pc — 7 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
Medicare patients and services, 2024
| Medicare patients | 201 |
|---|---|
| Services billed | 3,198 |
| Average patient age | 72 |
Payments from drug and device companies, 2025
| Food and Beverage | $126 |
|---|
Practises at
- Asante Ashland Community Hospital Hospital · Ashland, OR · listed as Asante Ashland Community Hospital, LLC
- Asante Three Rivers Medical Center Hospital · Grants Pass, OR · listed as Asante Three Rivers Medical Center, LLC
- Providence Medford Medical Center Hospital · Medford, OR
- Asante Rogue Regional Medical Center Hospital · Medford, OR
Colleagues at Allergy and Asthma Center of Southern Oregon, PC
- Dr. Arundhati Chandini Arjun, MD Allergy & Immunology (Internal Medicine) Physician · Medford, OR
- Dakota Shawn Donahoe, PA-C Physician Assistant · Medford, OR
- Dr. Edward Kerwin, MD Allergy Physician · Medford, OR
- Dr. Kevin Wilson Parks, MD Allergy Physician · Medford, OR
- Mrs. Joann Lanae Reed, MSN, NP-C Registered Nurse First Assistant · Medford, OR
- Tiffany Smith, PA Physician Assistant · Medford, OR