MARGO S MCMAHON (FNP-BC) – Family Nurse Practitioner, NPI 1336381201
Family Nurse Practitioner
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
11,632 NURSE PRACTITIONER in IL
Provider Addresses for MARGO S MCMAHON (FNP-BC)
1303 W Evergreen Ave Ste 202
Effingham, IL 624011638
Phone: (217) 238-4634
Type: Location
1025, South 6th Street, South Town, Springfield, Sangamon County, Illinois, 62703, United States
SPRINGFIELD, IL 627032403
Phone: (217) 528-7541
Type: Mailing
North Maple Street, Effingham, Effingham County, Illinois, 62401, United States
EFFINGHAM, IL 624012003
Phone: (217) 342-4151
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $110.
Total Amount is formed as General ($110) + Research ($0) + Ownership ($0) = $110.
Last reported payment date: 2023-10-18 • Largest payer in this snapshot: ABBVIE INC. ($110).
Total Amount
$110
General + Research + Ownership
Payments
1
Total payment records
General Amount
$110
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-10-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $110 |
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: 2009-04-29
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 |
|---|---|---|---|---|
| I20090429000358 | 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 |
|---|---|---|---|---|
| 81003 | Automated urinalysis test | 90 | 59 | $0 |
| 87635 | Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 39 | 39 | $0 |
Insurance plans in this area (ZIP 62401)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | IL | |
| Cardiovascular Disease (Cardiology) | VA | |
| Nurse Practitioner | IL | |
| Geriatric Medicine, Internal Medicine | IL | |
| Family Practice | IL | |
| Internal Medicine, Pediatric Medicine | IL | |
| Physician Assistant | IL | |
| Internal Medicine, Pediatric Medicine | IL | |
| Clinical Social Worker | IL | |
| Nurse Practitioner | IL |
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