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ALLERGY & ASTHMA CENTER OF SOUTHERN OREGON PC
NPI 1851954853
Allergy & Immunology - Allergy in Roseburg, OR

Active since April 16, 2019
1813 W HARVARD AVE, SUITE 241, ROSEBURG, OR 97471(541) 858-1003(541) 857-4499 Get Directions Write a Review

NPPES record last updated: July 13, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 13, 2020, Jul 10, 2020, Apr 16, 2019 (3 updates tracked since 2019).

About Allergy & Asthma Center Of Southern Oregon Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALLERGY & ASTHMA CENTER OF SOUTHERN OREGON PC (NPI 1851954853) is a healthcare organization registered as an allergy in Roseburg, Oregon and active in the NPI registry since April 2019. The organization lists Edward Kerwin, Physician Owner, as its authorized official.

NPPES Registry Identity

NPI1851954853
Entity TypeOrganization
Primary Taxonomy207KA0200X
Legal Business NameALLERGY & ASTHMA CENTER OF SOUTHERN OREGON PC
Location Address1813 W HARVARD AVE, SUITE 241Roseburg, OR 97471
Mailing Address3860 Crater Lake Ave, Suite AMedford, OR 97504 · (541) 858-1003 · Fax (541) 857-4499
Phone(541) 858-1003
Fax(541) 857-4499
Organization SubpartNo
Authorized OfficialEdward KerwinPhysician Owner · (541) 858-1003
Enumeration DateApril 16, 2019
Last NPPES UpdateJuly 13, 20203 updates tracked since enumeration
NPPES CertifiedJuly 13, 2020
✔ NPI 1851954853 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & Immunology · AllergyAllopathic & Osteopathic Physicians
Taxonomy Code207KA0200X
Definition
A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee
1813 W HARVARD AVE, Roseburg, OR 97471
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Regence BlueCross BlueShield of Oregon.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Allergy & Asthma Center Of Southern Oregon Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to Allergy & Asthma Center Of Southern Oregon PC, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (6)

Edward Kerwin, M.D.
Allergy/Immunology
NPI 1568465847
3860 CRATER LAKE AVE
Medford, OR 97504
(541) 858-1003
✔ PECOS✔ Accepts Medicare64 mi
Kevin Parks, M.D.
Allergy/Immunology
NPI 1467499475
3860 CRATER LAKE AVE SUITE A
Medford, OR 97504
(541) 858-1003
✔ PECOS✔ Accepts Medicare64 mi
Arundhati Chandini Arjun, MD
Allergy/Immunology
NPI 1356952261
3860 CRATER LAKE AVE
Medford, OR 97504
(541) 858-1003
✔ PECOS✔ Accepts Medicare64 mi
Ryan Israelsen, M.D.
Allergy/Immunology
NPI 1487910766
3121 SIGNATURE CT
Medford, OR 97504
(541) 858-1003
✔ PECOS✔ Accepts Medicare67 mi
Joann Reed, MSN, NP-C
Nurse Practitioner
NPI 1437424348
1311 E BARNETT RD SUITE 201
Medford, OR 97504
(541) 779-5007
✔ PECOS✔ Accepts Medicare67 mi
Sarah Crawford, NP
Nurse Practitioner
NPI 1982953113
555 BLACK OAK DR STE 300
Medford, OR 97504
(541) 789-8100
✔ PECOS68 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Allergy & Asthma Center Of Southern Oregon PC's NPI number?

The NPI number for Allergy & Asthma Center Of Southern Oregon PC is 1851954853. It was assigned to this organization in the NPPES registry on April 16, 2019.

Where is Allergy & Asthma Center Of Southern Oregon PC located?

Allergy & Asthma Center Of Southern Oregon PC is located at 1813 W Harvard Ave Suite 241, Roseburg, OR 97471. The listed phone number is (541) 858-1003.

What is Allergy & Asthma Center Of Southern Oregon PC's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.

Is Allergy & Asthma Center Of Southern Oregon PC enrolled in Medicare?

Yes. Allergy & Asthma Center Of Southern Oregon PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Allergy & Asthma Center Of Southern Oregon PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 2 Medicare specialties reassign their Medicare billing to Allergy & Asthma Center Of Southern Oregon PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Allergy/Immunology (4) and Nurse Practitioner (2). Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Allergy & Asthma Center Of Southern Oregon PC accept?

Health plans from BridgeSpan Health Company and Regence BlueCross BlueShield of Oregon list Allergy & Asthma Center Of Southern Oregon PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Allergy & Asthma Center Of Southern Oregon PC was last updated on July 13, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.