DR. BRETT WILLIAM MERCER DO
NPI 1427416114
Psychiatry & Neurology - Neurology in Fort Myers, FL

Active since February 09, 2016PECOS EnrolledAccepts Medicare Assignment
84.95/100
CMS Quality Rating
12600 CREEKSIDE LN STE 2, FORT MYERS, FL 33919(239) 343-9235 Get Directions Write a Review

NPPES record last updated: November 19, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 19, 2025, Jul 3, 2024, Apr 11, 2024 and 4 more (7 updates tracked since 2016).

About Dr. Brett William Mercer Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. BRETT WILLIAM MERCER DO (NPI 1427416114) is an individual neurology provider in Fort Myers, Florida, licensed in Florida (OS16552) and active in the NPI registry since February 2016. He is enrolled in Medicare PECOS, is affiliated with Lee Memorial Hospital, and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2016).

NPPES Registry Identity

NPI1427416114
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameDR. BRETT WILLIAM MERCERCredential: DO
Location Address12600 CREEKSIDE LN STE 2Fort Myers, FL 33919-3353
Mailing AddressPo Box 2147Fort Myers, FL 33902-2147 · (239) 343-9235 · Fax (239) 343-4008
Sole ProprietorNo
Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2016
Enumeration DateFebruary 9, 2016
Last NPPES UpdateNovember 19, 20257 updates tracked since enumeration
NPPES CertifiedNovember 19, 2025
NPI 1427416114 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License Licensed in FL · OS16552
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
12600 CREEKSIDE LN STE 2, Fort Myers, FL 33919

Other Identifiers 1

Medicaid128803000FL

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Brett William Mercer Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID749619229
PECOS Enrollment IDI20200403002003
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
868 services461 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
188 services188 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
184 services184 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
159 services135 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Lee Memorial Hospital

Acute Care Hospitals · Fort Myers, FL
5/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number100012
Location2776 Cleveland AveFort Myers, FL 33901 · Lee County
Emergency services Birthing friendly

Naples Community Hospital

Acute Care Hospitals · Naples, FL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100018
Location350 7th St NNaples, FL 34102 · Collier County
Emergency services Birthing friendly

Gulf Coast Medical Center Lee Health

Acute Care Hospitals · Fort Myers, FL
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number100220
Location13681 Doctors WayFort Myers, FL 33912 · Lee County
Emergency services

Cape Coral Hospital

Acute Care Hospitals · Cape Coral, FL
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number100244
Location636 Del Prado BlvdCape Coral, FL 33990 · Lee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33919 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$135.56 typical visit price
range $58.56 – $179.05
Typical copayment $33.89 (range $14.64 – $44.76)
Most-billed visit code 99204
Established Patient
$103.21 typical visit price
range $18.44 – $144.68
Typical copayment $25.80 (range $4.61 – $36.17)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.95/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Promoting Interoperability97
Improvement Activities40
Cost52.36

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychiatry & Neurology (Neurology)
12600 CREEKSIDE LN STE 2
FORT MYERS, FL 33919
Psychiatry & Neurology (Neurology)
12600 CREEKSIDE LN STE 2
FORT MYERS, FL 33919
Hospitalist
12600 CREEKSIDE LN STE 2
FORT MYERS, FL 33919
Clinic/Center (Federally Qualified Health Center (FQHC))
12600 CREEKSIDE LN STE 2
FORT MYERS, FL 33919
Psychiatry & Neurology (Neurology)
12600 CREEKSIDE LN STE 2
FORT MYERS, FL 33919
Nurse Practitioner (Adult Health)
12600 CREEKSIDE LN STE 2
FORT MYERS, FL 33919
Psychiatry & Neurology (Neurology)
12600 CREEKSIDE LN STE 2
FORT MYERS, FL 33919
Psychiatry & Neurology (Neurology)
12600 CREEKSIDE LN STE 2
FORT MYERS, FL 33919

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Brett Mercer's NPI number?

The NPI number for Brett Mercer is 1427416114. It was assigned to this individual provider in the NPPES registry on February 9, 2016.

Where is Brett Mercer located?

Brett Mercer practices at 12600 Creekside Ln Ste 2, Fort Myers, FL 33919. The listed phone number is (239) 343-9235.

What is Brett Mercer's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Brett Mercer enrolled in Medicare?

Yes. Brett Mercer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Brett Mercer accept?

Health plans from Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Brett Mercer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Brett Mercer affiliated with any hospitals?

According to CMS data, Brett Mercer is affiliated with Lee Memorial Hospital, Naples Community Hospital, Gulf Coast Medical Center Lee Health and Cape Coral Hospital.

When was this NPI record last updated?

The NPPES record for Brett Mercer was last updated on November 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.