Nathaniel P Fleischner, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

ME105685 Issued in FL

Practice address

11700 Okeechobee Blvd
Royal Palm Beach, FL 33411-8721

Phone

(561) 790-0789

Fax

(855) 753-3317

NPI assigned

Apr 30, 2008

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

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

Internal Medicine

Education

Boston University School of Medicine, 2005

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Accountable Teaching Services LLCGroup PAC ID 0941568992, 21 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• USA Home Health Services, Inc. Home health agency, Delray Beach, FL, CCN 107785
• Wellington Regional Medical Center Hospital, Wellington, FL, CCN 100275
• HCA Florida JFK Hospital Hospital, Atlantis, FL, CCN 100080

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: nathaniel.fleischner@chealth.eclinicaldirectplus.com

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

• Accountable Teaching Services LLC

  • Health Educator
  • Wellington, FL
  • NPI 1861929309
  Medicare reassignment Care Compare group NPD
• Hospital Innovation Physicians LLC

  • Hospitalist Physician
  • Clewiston, FL
  • NPI 1841708005
  Medicare reassignment NPD
• Baptist Physician Associates LLC

  • Urgent Care Clinic/Center
  • Navarre, FL
  • NPI 1235128646
  NPD (past)

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

• JFK Medical Center Limited Partnership

  • General Acute Care Hospital
  • Atlantis, FL
  • NPI 1326085424
  Care Compare affiliation
• USA Home Health Services Inc

  • Home Health Agency
  • Delray Beach, FL
  • NPI 1235137795
  Care Compare affiliation
• Wellington Regional Medical Center LLC

  • General Acute Care Hospital
  • Wellington, FL
  • NPI 1720078702
  Care Compare affiliation

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

{
    "created_epoch": "1209513600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750636800000",
    "number": "1083880926",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11700 OKEECHOBEE BLVD",
            "city": "ROYAL PALM BEACH",
            "state": "FL",
            "postal_code": "334118721",
            "telephone_number": "561-790-0789",
            "fax_number": "855-753-3317"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11700 OKEECHOBEE BLVD",
            "city": "ROYAL PALM BEACH",
            "state": "FL",
            "postal_code": "334118721",
            "telephone_number": "561-790-0789",
            "fax_number": "855-753-3317"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FLEISCHNER",
        "first_name": "NATHANIEL",
        "middle_name": "P",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-04-30",
        "last_updated": "2025-06-23",
        "certification_date": "2025-06-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "FL",
            "license": "ME105685",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "001631600",
            "state": "FL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Salvador Fernandez, DC
• Yadira S Ferran Pineda
• Roxana Figueroa Garcia
• Lyle Wayne Fisher
• Molly Anne Fitzgibbon
• Janelle Flemming
• Shella Fleurisma Morisset
• Florida Imaging, LLC
• Florida Limited Liability Company Elite Foster Care, LLC
• Florida Rehabilitation Services LLC

• Internal Medicine Physician in Royal Palm Beach, FL
• Providers in Royal Palm Beach, FL by specialty
• Internal Medicine Physician in Florida

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 23, 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.