MS. MARY MARGARET BROWN (FNP) – Nurse Practitioner, NPI 1932179843
Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,299 NURSE PRACTITIONER in SC
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Provider Addresses for MS. MARY MARGARET BROWN (FNP)
185, Azalea Court, Hearthstone, O'Fallon, Saint Clair County, Illinois, 62269, United States
O FALLON, IL 622697038
Phone: (618) 726-7712
Type: Mailing
Rivers Avenue, North Charleston, Charleston County, South Carolina, 29405, United States
NORTH CHARLESTON, SC 29405
Phone: (843) 574-8900
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $202.
Total Amount is formed as General ($202) + Research ($0) + Ownership ($0) = $202.
Last reported payment date: 2024-11-14 • Largest payer in this snapshot: Neurelis, Inc. ($125).
Total Amount
$202
General + Research + Ownership
Payments
2
Total payment records
General Amount
$202
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Neurelis, Inc. | $125 |
| Novo Nordisk Inc | $77 |
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: 2012-02-10
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 |
|---|---|---|---|---|
| I20120210000582 | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 46 | 46 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 27 | 27 | $0 |
Insurance plans in this area (ZIP 62269)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | LA | |
| Family Practice | MO | |
| - | IL | |
| Nurse Practitioner | IL | |
| Physician Assistant | MO | |
| - | IL | |
| Physician Assistant | MO | |
| Nurse Practitioner | IL | |
| Physician Assistant | IL | |
| - | IL |
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