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RYAN B ISRAELSEN M.D.
NPI 1487910766
Allergy & Immunology in Medford, OR

Active since April 11, 2012PECOS EnrolledAccepts Medicare Assignment
3121 SIGNATURE CT, MEDFORD, OR 97504(541) 858-1003(541) 255-2997 Get Directions Write a Review

NPPES record last updated: April 27, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 27, 2026, Jun 15, 2018, Jun 21, 2016 (3 updates tracked since 2016).

About Ryan B Israelsen M.d. NPPES

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

RYAN B ISRAELSEN M.D. (NPI 1487910766) is an individual allergy & immunology provider in Medford, Oregon, licensed in Oregon (MD187596) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, is affiliated with Asante Three Rivers Medical Center, and is a graduate of University Of Utah School Of Medicine (2012).

NPPES Registry Identity

NPI1487910766
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameRYAN B ISRAELSENCredential: M.D.
Location Address3121 SIGNATURE CTMedford, OR 97504-7738
Mailing Address3121 Signature CtMedford, OR 97504-7738 · (541) 858-1018
Phone(541) 858-1003
Fax(541) 255-2997
Sole ProprietorNo
Medical School CMSUniversity Of Utah School Of MedicineGraduated 2012
Enumeration DateApril 11, 2012
Last NPPES UpdateApril 27, 20263 updates tracked since enumeration
NPPES CertifiedApril 27, 2026
✔ NPI 1487910766 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in OR · MD187596
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Also ListedInternal MedicineTaxonomy 207R00000X · License MD187596 (OR)
Also ListedPediatricsTaxonomy 208000000X · License MD187596 (OR)
Also ListedPediatrics · Pediatric Allergy/ImmunologyTaxonomy 2080P0201X · License MD187596 (OR)
3121 SIGNATURE CT, Medford, OR 97504
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Moda Health Plan, Inc., Providence Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ryan B Israelsen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID648499525
PECOS Enrollment IDI20180515001905
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test for allergy using allergenic extract 95004
An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.
1,521 services31 patients
Professional service for preparation and provision of 1 or more antigens 95165
This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.
918 services23 patients
Professional service for multiple injections of allergen 95117
The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.
151 services55 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
75 services67 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
55 services46 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
45 services45 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Asante Three Rivers Medical Center

Acute Care Hospitals · Grants Pass, OR
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number380002
Location500 SW Ramsey AvenueGrants Pass, OR 97527 · Josephine County
Emergency services Birthing friendly

Asante Ashland Community Hospital

Acute Care Hospitals · Ashland, OR
OwnershipGovernment - Local
CMS Certification Number380005
Location280 Maple StreetAshland, OR 97520 · Jackson County
Emergency services Birthing friendly

Asante Rogue Regional Medical Center

Acute Care Hospitals · Medford, OR
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380018
Location2825 E Barnett RoadMedford, OR 97504 · Jackson County
Emergency services Birthing friendly

Providence Medford Medical Center

Acute Care Hospitals · Medford, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number380075
Location1111 Crater Lake AvenueMedford, OR 97504 · Jackson County
Emergency services Birthing friendly

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 Ryan Israelsen's NPI number?

The NPI number for Ryan Israelsen is 1487910766. It was assigned to this individual provider in the NPPES registry on April 11, 2012.

Where is Ryan Israelsen located?

Ryan Israelsen practices at 3121 Signature Ct, Medford, OR 97504. The listed phone number is (541) 858-1003.

What is Ryan Israelsen's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Ryan Israelsen enrolled in Medicare?

Yes. Ryan Israelsen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Ryan Israelsen accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., Providence Health Plan and Regence BlueCross BlueShield of Oregon list Ryan Israelsen 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.

Is Ryan Israelsen affiliated with any hospitals?

According to CMS data, Ryan Israelsen is affiliated with Asante Three Rivers Medical Center, Asante Ashland Community Hospital, Asante Rogue Regional Medical Center and Providence Medford Medical Center.

When was this NPI record last updated?

The NPPES record for Ryan Israelsen was last updated on April 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.