Brett William Mercer, DO
Neurology Physician · Fort Myers, FL
Brett William Mercer, DO is a neurology physician with a practice address in Fort Myers, Florida, and NPI 1427416114, issued on Feb 9, 2016. Check the license (Florida OS16552, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Brett William Mercer
- Credential
- DO
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- OS16552 FL
Self-reported in NPPES; status is on the state search - Practice location
- 12600 Creekside LN Ste 2, Fort Myers, FL 33919
- Phone
- (239) 343-9235
- Enumerated
- Feb 9, 2016
- Record last updated
- Nov 19, 2025
- Medicaid ID
- 128803000 FL
- Medicare enrollment
- Enrolled (PECOS I20200403002003); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2016
- Entity
- Type 1 · individual
Also registered at 12600 Creekside LN Ste 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kaleb Culpepper, DOHospitalist Physician1518426543
- Rituparna Das, MDNeurology Physician1700104429
- Ramses Fernandez Melo, MDNeurology Physician1144789900
- Julianne GreiderFamily Nurse Practitioner1952944415
- Claudia Hernandez, MDHospitalist Physician1780253807
- Phu Le, M.D.Neurology Physician1073046371
Verify Brett William Mercer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS16552Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% more Medicare Part D claims than the average neurology physician in 2024
1,710 Medicare Part D claims for 415 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Carbidopa-Levodopa356 claims
- Gabapentin151 claims
- Levetiracetam89 claims
- Donepezil Hcl86 claims
- Primidone85 claims
- Duloxetine Hcl52 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 85 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $5,243.66
122 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Collier Neurologic Specialists LLCNaples, FL
- Lee Health System IncFort Myers, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
183 neurology physician records list a practice address in Fort Myers
They are 183 of the 7,949 NPPES records with a practice address in Fort Myers, and 1,530 neurology physician records in Florida.
All 183 in Fort Myers → All 1,530 in Florida → Every provider in Fort Myers →
Other neurology physician records in Florida
- David Abarbanel, MDJacksonville, FL1598298242
- Hamidreza AbbasiFort Myers, FL1578060075
- Hermelinda Abcede, MDFort Myers, FL1891956678
- Noureldin Abdelhamid, M.D.Hollywood, FL1811275076
- Peter Abdelmalik, M.D.Miami, FL1922381250
- Ahmad Abokhamis, M.D.Rockledge, FL1932413770
- Ziyad AboudanMiami Beach, FL1114506623
- Fawzi Abukhalil, M.DCoral Springs, FL1881983773
- Rana Abusoufeh, M.DDeland, FL1477997492
- Paul Acevedo, MDWest Palm Beach, FL1437358322
Common questions
What is Brett William Mercer, DO's NPI number?
Brett William Mercer, DO's National Provider Identifier (NPI) is 1427416114, issued on Feb 9, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Brett William Mercer, DO located?
The NPPES record lists a practice address at 12600 Creekside LN Ste 2, Fort Myers, FL, 33919. Phone: (239) 343-9235. Providers update this record themselves, so call before visiting.
How can I verify Brett William Mercer, DO's license?
NPPES lists Florida license number OS16552, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brett William Mercer, DO prescribe under Medicare Part D?
In 2024, Brett William Mercer, DO had 1,710 Medicare Part D claims for 415 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Brett William Mercer, DO's MIPS final score?
The 2023 MIPS final score is 85 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.