DR. BRETT WILLIAM MERCER (DO) – Neurology Physician, NPI 1427416114
Neurology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
1,847 NEUROLOGY in FL
Provider Addresses for DR. BRETT WILLIAM MERCER (DO)
12600 CREEKSIDE LN STE 2
FORT MYERS, FL 339193353
Phone: (239) 343-9235
Type: Location
3200 BAILEY LN STE 200
NAPLES, FL 341058523
Phone: (239) 262-8971
Type: Mailing
PO BOX 2147
FORT MYERS, FL 339022147
Phone: (239) 343-9235
Fax: (239) 343-4008
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 212 Open Payments records for all available years, with a total value of $7,891.
Total Amount is formed as General ($7,891) + Research ($0) + Ownership ($0) = $7,891.
Last reported payment date: 2024-12-23 • Largest payer in this snapshot: Abbott Laboratories ($2,602).
Total Amount
$7,891
General + Research + Ownership
Payments
212
Total payment records
General Amount
$7,891
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Abbott Laboratories | $2,602 |
| UCB, Inc. | $762 |
| Alexion Pharmaceuticals, Inc. | $555 |
| ABBVIE INC. | $497 |
| Eisai Inc. | $264 |
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: 2020-04-03
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 |
|---|---|---|---|---|
| I20200403002003 | I | Neurology | FL | 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 | 846 | 473 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 194 | 194 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 166 | 166 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 127 | 117 | $0 |
Insurance plans in this area (ZIP 33919)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Psychologist | FL | |
| N E U R O L O G Y | FL | |
| Physician Assistant | FL | |
| N E U R O L O G Y | FL | |
| Clinical Psychologist | FL | |
| Physician Assistant | FL | |
| N E U R O L O G Y | FL | |
| N E U R O L O G Y | FL | |
| Nurse Practitioner | FL | |
| Physical Medicine And Rehabilitation | FL |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.