MS. MARY K DAHILIG (APN, FNP-BC) – Nurse Practitioner, NPI 1225314990
Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
11,632 NURSE PRACTITIONER in IL
Provider Addresses for MS. MARY K DAHILIG (APN, FNP-BC)
26W212 GENEVA RD
CAROL STREAM, IL 601882240
Phone: (630) 510-1065
Type: Mailing
20 S CLARK ST FL 11
CHICAGO, IL 606031882
Phone: (312) 926-3627
Fax: (312) 357-2284
Type: Mailing
5999 New Wilke Rd Ste 200
Rolling Meadows, IL 600084502
Phone: (847) 618-0800
Type: Location
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: 2011-12-27
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 |
|---|---|---|---|---|
| I20111227000477 | I | Nurse Practitioner | IL | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 36 | 35 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 28 | 28 | $0 |
| 87426 | Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | 16 | 15 | $0 |
| G0008 | Administration of influenza virus vaccine | 16 | 16 | $0 |
| 90694 | Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 15 | 15 | $0 |
Insurance plans in this area (ZIP 60188)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| Diagnostic Radiology, Interventional Radiology | IL | |
| P A T H O L O G Y | IL | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology), Internal Medicine | IL | |
| G A S T R O E N T E R O L O G Y | IL | |
| Internal Medicine | IL | |
| Cardiac Electrophysiology, Cardiovascular Disease (Cardiology), Internal Medicine | MN | |
| - | IL | |
| Physical Therapist In Private Practice | IL | |
| Nurse Practitioner | IL |
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