Doctor profile · Federal record

Dr. Ashleigh Olson, M.D.

Allergy & Immunology Physician (CMS: Allergy/Immunology) · Madison, WI

  • NPI 1699064238
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1821 S Stoughton RD
Madison, WI 537162257
(608) 260-6000
fax (608) 260-6429
Additional location
1313 Fish Hatchery RD
Madison, WI 537151911
(608) 252-8000
fax (608) 252-7495

Credentials & registration

NPPES · NUCC
NPI registered
April 2011 — 15 yrs on file
Profile last updated
October 27, 2020
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207K00000X — NUCC code
State license (1)
Wisconsin #62292-20
Medicaid
WI #1699064238

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699064238. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
56
Distinct HCPCS
2
Medicare allowed
$4,594
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 33 30 $121
94010 Test to measure expiratory airflow and volume 23 22 $26

In context: peer comparison

Among 5 peers in Madison Allergy & Immunology Physician, average services per provider: 384. This provider delivers 0.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
542
Patients
144
Total drug cost
$255,915
Drug Type Claims Patients Total cost
Montelukast Sodium Generic 111 36 $1,908
Advair Diskus (Fluticasone Propion/Salmeterol) Brand 61 15 $41,216
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 43 23 $1,605
Fluticasone Propionate Generic 38 20 $776
Spiriva Respimat (Tiotropium Bromide) Brand 36 0 $26,176
Dulera (Mometasone/Formoterol) Brand 34 0 $21,343
Ventolin Hfa (Albuterol Sulfate) Brand 34 17 $2,100
Epinephrine Generic 30 18 $6,579
Dupixent Syringe (Dupilumab) Brand 26 0 $95,610
Azelastine Hcl Generic 25 15 $1,072

Frequently asked questions

Auto-generated from federal data
What is Dr. Ashleigh Olson's medical specialty?
Dr. Ashleigh Olson practices Allergy & Immunology Physician in Madison, WI.
Where does Dr. Ashleigh Olson practice?
Dr. Ashleigh Olson practices at 1821 S Stoughton RD, Madison, WI 537162257. Office phone: 6082606000.
What is Dr. Ashleigh Olson's NPI?
Dr. Ashleigh Olson's National Provider Identifier (NPI) is 1699064238, issued by NPPES.
Does Dr. Ashleigh Olson accept Medicare assignment?
Yes. Dr. Ashleigh Olson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ashleigh Olson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Test to measure expiratory airflow and volume (HCPCS 94010). Source: CMS Medicare Physician & Other Practitioners file.