Brett William Mercer, DO

Primary specialty

Neurology PhysicianTaxonomy code 2084N0400X

License

OS16552 Issued in FL

Practice address

12600 Creekside LN Ste 2
Fort Myers, FL 33919-3353

Phone

(239) 343-9235

NPI assigned

Feb 9, 2016

Last updated

Nov 19, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other identifiers 1

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in FL

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Neurology

Education

Lake Erie College of Osteopathic Medicine, Erie, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Lee Health System IncGroup PAC ID 9335672146, 1,381 clinicians

Collier Neurologic Specialists LLCGroup PAC ID 2365434487, 13 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Pinnacle Home Care Home health agency, Fort Myers, FL, CCN 683113
• Preferred Care Home Health Services Home health agency, Fort Myers, FL, CCN 109423
• Lee Memorial Hospital Hospital, Fort Myers, FL, CCN 100012
• Naples Community Hospital Hospital, Naples, FL, CCN 100018
• Cape Coral Hospital Hospital, Cape Coral, FL, CCN 100244
• Gulf Coast Medical Center Lee Health Hospital, Fort Myers, FL, CCN 100220

Merit-based Incentive Payment System (MIPS)

Final score

95.17 of 100Reported as group

Quality

100

Improvement activities

40

Cost

79.44

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

Networks

• Optimum HealthCare HMO Network
• Freedom Health HMO Network

Interoperability endpoints

• Direct secure messaging: bmercer683418@direct.leememorial.org
• FHIR API: https://fhir4.healow.com/fhir/r4/DEGGCD

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Collier Neurologic Specialists LLC

  • Neurology Physician
  • Naples, FL
  • NPI 1871543512
  Medicare reassignment Care Compare group NPD
• Lee Health System Inc

  • Internal Medicine Physician
  • Fort Myers, FL
  • NPI 1942058557
  Medicare reassignment Care Compare group NPD
• Lee Health System Inc

  dba Lee Health Specialty Pharmacy

  • Community/Retail Pharmacy
  • Bonita Springs, FL
  • NPI 1699510925
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Lee Health System Inc

  dba Gulf Coast Medical Center

  • General Acute Care Hospital
  • Fort Myers, FL
  • NPI 1366281750
  Care Compare affiliation
• Lee Health System Inc

  dba Lee Memorial Hospital

  • General Acute Care Hospital
  • Fort Myers, FL
  • NPI 1427806025
  Care Compare affiliation
• Lee Health System Inc

  dba Cape Coral Hospital

  • General Acute Care Hospital
  • Cape Coral, FL
  • NPI 1780429076
  Care Compare affiliation
• Naples Community Hospital Inc

  dba NCH Healthcare System Inc

  • General Acute Care Hospital
  • Naples, FL
  • NPI 1720085137
  Care Compare affiliation
• Pinnacle Home Care of SW Florida, LLC

  • Home Health Agency
  • Fort Myers, FL
  • NPI 1720592751
  Care Compare affiliation
• Providia Home Care LLC.

  dba Preferred Care Home Health Services

  • Home Health Agency
  • Fort Myers, FL
  • NPI 1245409010
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1454976000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763510400000",
    "number": "1427416114",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 2147",
            "city": "FORT MYERS",
            "state": "FL",
            "postal_code": "339022147",
            "telephone_number": "239-343-9235",
            "fax_number": "239-343-4008"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12600 CREEKSIDE LN STE 2",
            "city": "FORT MYERS",
            "state": "FL",
            "postal_code": "339193353",
            "telephone_number": "239-343-9235"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MERCER",
        "first_name": "BRETT",
        "middle_name": "WILLIAM",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-02-09",
        "last_updated": "2025-11-19",
        "certification_date": "2025-11-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "FL",
            "license": "OS16552",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "128803000",
            "state": "FL"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "bmercer683418@Direct.leememorial.org",
            "affiliation": "Y",
            "affiliationName": "LEE HEALTH SYSTEM INC",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "2776 Cleveland Ave",
            "city": "Fort Myers",
            "state": "FL",
            "country_code": "US",
            "postal_code": "339015864",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Luis Mercado, MD
• Yulio Carlo Mercado
• Merced Counseling, Inc.
• Paul Merced, MSW
• Maria Carmen C'NE Mercedes-Lattimore, APRN, FNP-C
• Harty B Mercer, DDS
• Lynda Marie Mercer, AUD
• Mercy's Family Care Center
• Meredith Harris LLC
• Shawn Mergen

• Neurology Physician in Fort Myers, FL
• Providers in Fort Myers, FL by specialty
• Neurology Physician in Florida

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 19, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.