ASHLEIGH A OLSON (M.D.) – Allergy & Immunology Physician, NPI 1699064238
Allergy & Immunology Physician
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Profile Insights
NPPES metrics only — not quality of care.
96 ALLERGY/IMMUNOLOGY in WI
Provider Addresses for ASHLEIGH A OLSON (M.D.)
1313 Fish Hatchery Rd
Madison, WI 537151911
Phone: (608) 252-8000
Fax: (608) 252-7495
Type: Location
1821 S STOUGHTON RD
MADISON, WI 537162257
Phone: (608) 260-6000
Fax: (608) 260-6429
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2016-09-23
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20160923000058 | I | Allergy/Immunology | WI | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 33 | 30 | $0 |
| 94010 | Test to measure expiratory airflow and volume | 23 | 22 | $0 |
Insurance plans in this area (ZIP 53715)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| U R O L O G Y | WA | |
| - | WI | |
| O P T O M E T R Y | WI | |
| N E U R O S U R G E R Y | NE | |
| - | WI | |
| Physician Assistant | WI | |
| Family Practice | WI | |
| Cardiovascular Disease (Cardiology) | TX | |
| - | WI | |
| Family Practice | WI |
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