TAMMY LYNN BROWN (APN) – Adult Health Nurse Practitioner, NPI 1972769073
Adult Health Nurse Practitioner
Main info
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for TAMMY LYNN BROWN (APN)
Evanston Hospital, 2650, Ridge Avenue, Evanston, Evanston Township, Cook County, Illinois, 60201, United States
EVANSTON, IL 602011718
Phone: (847) 570-3542
Fax: (847) 570-2336
Type: Location
2650 Ridge Ave
Evanston, IL 602011718
Phone: (847) 570-3542
Fax: (847) 570-2336
Type: Location
3001 GREEN BAY RD
NORTH CHICAGO, IL 600643048
Phone: (224) 610-4736
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 59 Open Payments records for all available years, with a total value of $8,014.
Total Amount is formed as General ($8,014) + Research ($0) + Ownership ($0) = $8,014.
Last reported payment date: 2024-12-30 • Largest payer in this snapshot: ABBVIE INC. ($8,000).
Total Amount
$8,014
General + Research + Ownership
Payments
59
Total payment records
General Amount
$8,014
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $8,000 |
| Ipsen Biopharmaceuticals, Inc | $14 |
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: 2008-11-04
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-10-31 (951 days ago).
Enrollment records
1
Earliest due date
2023-10-31
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 |
|---|---|---|---|---|
| I20081104000172 | I | Nurse Practitioner | IL | 2023-10-31 |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 |
|---|---|---|---|---|
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 26 | 26 | $0 |
Insurance plans in this area (ZIP 60201)
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Reviews
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