Jason Friesen, MD
NPI 1043379860 · Allergy & Immunology Physician · Eugene, OR
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jason Friesen, MD is a Allergy & Immunology Physician provider in Eugene, OR (NPI 1043379860).
Provider details
- NPI number
- 1043379860
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD26220 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,249 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 669 | $3 |
| Professional Service for Single Injection of Allergen95115 | 219 | $10 |
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 169 | $12 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 84 | $123 |
| Test to Measure Expiratory Airflow and Volume94010 | 35 | $26 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 30 | $87 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ipratropium Bromide | 153 | 62 |
| Montelukast Sodium | 95 | 26 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 51 | 32 |
| Fluticasone Propionate | 34 | — |
| Budesonide/Formoterol Fumaratebrand: Budesonide-Formoterol Fumarate | 28 | — |
| Budesonide/Formoterol Fumaratebrand: Symbicort | 25 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$53 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-07
- Last updated
- 2010-12-29
Frequently asked questions
- What is Jason Friesen's NPI number?
- Jason Friesen's National Provider Identifier (NPI) is 1043379860, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Friesen's specialty?
- Jason Friesen is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Jason Friesen located?
- Jason Friesen's practice location on file with NPPES is 1488 Oak St, Eugene, OR 97401-4043.
- What is Jason Friesen's phone number?
- The practice phone number listed in the NPPES registry for Jason Friesen is (541) 683-1577.
- Does Jason Friesen accept Medicare?
- Jason Friesen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jason Friesen's NPI active?
- Yes — Jason Friesen's NPI (1043379860) is active in the NPPES registry as of the last update on 2010-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.