MARY MAHER (CNS) – Clinical Nurse Specialist, NPI 1881624286
Clinical Nurse Specialist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
137 CERTIFIED CLINICAL NURSE SPECIALIST (CNS) in IL
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Provider Addresses for MARY MAHER (CNS)
680 North Lake Shore Drive, 680, North Lake Shore Drive, Streeterville, Near North Side, Chicago, Cook County, Illinois, 60611, United States
SUITE 1000
CHICAGO, IL 606114546
Phone: (312) 695-9797
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $447.
Total Amount is formed as General ($447) + Research ($0) + Ownership ($0) = $447.
Last reported payment date: 2024-11-22 • Largest payer in this snapshot: Novocure Inc. ($154).
Total Amount
$447
General + Research + Ownership
Payments
6
Total payment records
General Amount
$447
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-22
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novocure Inc. | $154 |
| SPR Therapeutics, Inc | $152 |
| GT Medical Technologies, Inc | $91 |
| Boston Scientific Corporation | $29 |
| Medtronic, Inc. | $22 |
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: 2004-07-01
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 |
|---|---|---|---|---|
| I20040701001190 | I | Certified Clinical Nurse Specialist (Cns) | 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 | 164 | 144 | $0 |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | 81 | 77 | $0 |
Insurance plans in this area (ZIP 60611)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| Diagnostic Radiology, Interventional Radiology | 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 | |
| Anesthesiology, Pain Management | IL | |
| Internal Medicine, Pediatric Medicine | IL | |
| Internal Medicine | IL | |
| Cardiac Electrophysiology, Cardiovascular Disease (Cardiology), Internal Medicine | MN | |
| - | IL | |
| A N E S T H E S I O L O G Y | MI |
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