Brett Mercer, DO
NPI 1427416114 · Neurology Physician · Fort Myers, FL
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brett Mercer, DO is a Neurology Physician provider in Fort Myers, FL (NPI 1427416114).
Provider details
- NPI number
- 1427416114
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- OS16552 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,399 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 868 | $129 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 188 | $170 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 184 | $224 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 159 | $182 |
Typical Medicare-allowed amounts for these services range $129–$224 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 356 | 122 |
| Gabapentin | 151 | 63 |
| Levetiracetam | 89 | 27 |
| Donepezil Hcl | 86 | 39 |
| Primidone | 85 | 28 |
| Duloxetine Hcl | 52 | 21 |
| Clonazepam | 47 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$5,244 across 122 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-02-09
- Last updated
- 2025-11-19
- Certified
- 2025-11-19
Frequently asked questions
- What is Brett Mercer's NPI number?
- Brett Mercer's National Provider Identifier (NPI) is 1427416114, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brett Mercer's specialty?
- Brett Mercer is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Brett Mercer located?
- Brett Mercer's practice location on file with NPPES is 12600 Creekside Ln Ste 2, Fort Myers, FL 33919-3353.
- What is Brett Mercer's phone number?
- The practice phone number listed in the NPPES registry for Brett Mercer is (239) 343-9235.
- Does Brett Mercer accept Medicare?
- Brett Mercer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brett Mercer's NPI active?
- Yes — Brett Mercer's NPI (1427416114) is active in the NPPES registry as of the last update on 2025-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.