Doctor profile · Federal record

Dr. Jason Friesen, MD

Allergy & Immunology Physician (CMS: Allergy/Immunology) · Eugene, OR

  • NPI 1043379860
  • Accepts Medicare
  • MIPS 95.9 / 100 · 2023
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1488 Oak St
Eugene, OR 974014043
(541) 683-1577
fax (541) 344-6176

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
December 29, 2010
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207K00000X — NUCC code
State license (1)
Oregon #MD26220

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043379860. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,102
Distinct HCPCS
8
Medicare allowed
$27,769
HCPCS Description Services Patients Avg allowed
95004 Test for allergy using allergenic extract 537 25 $4
95115 Professional service for single injection of allergen 198 16 $10
95165 Professional service for preparation and provision of 1 or more antigens 147 14 $14
99214 Established patient office or other outpatient visit, 30-39 minutes 86 62 $122
94010 Test to measure expiratory airflow and volume 47 28 $26
99213 Established patient office or other outpatient visit, 20-29 minutes 34 29 $87
99204 New patient office or other outpatient visit, 45-59 minutes 30 30 $157
99203 New patient office or other outpatient visit, 30-44 minutes 23 23 $107

In context: peer comparison

Among 2 peers in Eugene Allergy & Immunology Physician, average services per provider: 112. This provider delivers 9.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$53
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Genzyme Corporation 1 $27.65
Novartis Pharmaceuticals Corporation 1 $24.90

By nature of payment

Food and Beverage
$53

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
512
Patients
111
Total drug cost
$210,913
Drug Type Claims Patients Total cost
Montelukast Sodium Generic 120 27 $1,669
Ipratropium Bromide Generic 95 41 $5,338
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 56 32 $1,578
Symbicort (Budesonide/Formoterol Fumarate) Brand 36 0 $17,786
Azelastine Hcl Generic 31 11 $1,617
Budesonide-Formoterol Fumarate (Budesonide/Formoterol Fumarate) Brand 30 0 $10,388
Fluticasone Propionate Generic 30 0 $332
Flovent Hfa (Fluticasone Propionate) Brand 24 0 $11,654
Dulera (Mometasone/Formoterol) Brand 18 0 $9,061
Spiriva Respimat (Tiotropium Bromide) Brand 18 0 $9,898

Frequently asked questions

Auto-generated from federal data
What is Dr. Jason Friesen's medical specialty?
Dr. Jason Friesen practices Allergy & Immunology Physician in Eugene, OR.
Where does Dr. Jason Friesen practice?
Dr. Jason Friesen practices at 1488 Oak St, Eugene, OR 974014043. Office phone: 5416831577.
What is Dr. Jason Friesen's NPI?
Dr. Jason Friesen's National Provider Identifier (NPI) is 1043379860, issued by NPPES.
Does Dr. Jason Friesen accept Medicare assignment?
Yes. Dr. Jason Friesen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jason Friesen commonly perform?
Top Medicare-reported procedures in 2023: Test for allergy using allergenic extract (HCPCS 95004); Professional service for single injection of allergen (HCPCS 95115); Professional service for preparation and provision of 1 or more antigens (HCPCS 95165). Source: CMS Medicare Physician & Other Practitioners file.