Gerard Chaaya

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

ME142758 Issued in FL

Practice address

501 SE Osceola St
Stuart, FL 34994-2301

Phone

(772) 419-2162

NPI assigned

Jun 16, 2014

Last updated

Apr 9, 2026By 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 3

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in FL, TX, LA, AL4 enrollments

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 4

Specialty

Hematology/Oncology

Education

Other, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Martin Memorial Medical Center IncGroup PAC ID 2961300611, 514 clinicians

The East Alabama Health Care AuthorityGroup PAC ID 3072403237, 119 clinicians

TMH Physician Associates PLLCGroup PAC ID 4486711744, 1,881 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Cleveland Clinic Martin North Hospital Hospital, Stuart, FL, CCN 100044
• The East Alabama Healthcare Authority Hospital, Opelika, AL, CCN 010029

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: gchaaya454400@directhoustonmethodist.org
• Direct secure messaging: gchaaya69624@direct.msmc.com
• Direct secure messaging: gerard.chaaya@hca4.eclinicaldirectplus.com
• FHIR API: https://epicfhir.msmc.com/proxysite-prd/api/FHIR/R4/
• FHIR API: https://fhir-api.fhirprod.aws.greenwayhealth.com/fhir/R4/2.16.840.1.113883.3.441.181001
• FHIR API: https://fhir-myrecord.cerner.com/r4/c5013bf3-ebba-4bda-8574-ed83da9e1633/

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.

• Martin Memorial Medical Center Inc

  dba Cleveland Clinic Martin North, South, Tradition Hospitals

  • General Acute Care Hospital
  • Stuart, FL
  • NPI 1194790055
  Medicare reassignment Care Compare group NPD
• The East Alabama Health Care Authority

  dba East Alabama Medical Center

  • General Acute Care Hospital
  • Opelika, AL
  • NPI 1073685483
  Medicare reassignment Care Compare group NPD
• TMH Physician Associates PLLC

  • Ophthalmology Physician
  • Houston, TX
  • NPI 1275779225

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Physician Practices of MSMC, LLC

  • Neurological Surgery Physician
  • Miami Beach, FL
  • NPI 1356630628

  Internal Medicine

  Medicare reassignment NPD
• Thibodaux Regional Network Development Corporation

  • Anesthesiology Physician
  • Thibodaux, LA
  • NPI 1285658310
  Medicare reassignment NPD
• Martin Memorial Medical Center Inc

  dba Cleveland Clinic Martin North, South, Tradition Hospitals

  • Urgent Care Clinic/Center
  • Stuart, FL
  • NPI 1154962918
  NPD
• The East Alabama Health Care Authority

  dba East Alabama Apothecary Store 1

  • Community/Retail Pharmacy
  • Opelika, AL
  • NPI 1215089305
  NPD
• Thibodaux Regional Network Development Corporation

  dba Thibodaux Regional Cancer Institute

  • Hematology & Oncology Physician
  • Thibodaux, LA
  • NPI 1295069490
  NPD
• Thibodaux Regional Network Development Corporation

  • Clinical Cardiac Electrophysiology Physician
  • Thibodaux, LA
  • NPI 1770435851
  NPD
• TMH Physician Associates PLLC

  • Orthopaedic Surgery Physician
  • Spring, TX
  • NPI 1043061351
  NPD
• Emergency Medicine South

  dba EAMC Emergency Room Physicians

  • Emergency Medical Services (Emergency Medicine) Physician
  • Opelika, AL
  • NPI 1629120712
  NPD (past)
• Methodist Radiology Associates, PLLC

  dba Methodist Breast Imaging

  • Diagnostic Radiology Physician
  • Houston, TX
  • NPI 1427235704
  NPD (past)

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

• Martin Memorial Medical Center Inc

  dba Cleveland Clinic Martin North, South, Tradition Hospitals

  • General Acute Care Hospital
  • Stuart, FL
  • NPI 1194790055
  Care Compare affiliation
• The East Alabama Health Care Authority

  dba East Alabama Medical Center

  • General Acute Care Hospital
  • Opelika, AL
  • NPI 1154386431
  Care Compare affiliation

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

{
    "created_epoch": "1402876800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775692800000",
    "number": "1508270778",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "501 SE OSCEOLA ST",
            "city": "STUART",
            "state": "FL",
            "postal_code": "349942301",
            "telephone_number": "772-419-2162"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "501 SE OSCEOLA ST",
            "city": "STUART",
            "state": "FL",
            "postal_code": "349942301",
            "telephone_number": "772-419-2162"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHAAYA",
        "first_name": "GERARD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-06-16",
        "last_updated": "2026-04-09",
        "certification_date": "2026-04-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "TX",
            "license": "U4758",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "FL",
            "license": "ME142758",
            "primary": true
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "LA",
            "license": "305881",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NPI",
            "identifier": "1508270778",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Carlos Baldemiro Ceron Castro, MD
• Kristina Cerreta
• Patrick Michael Cerri
• Tahra Jolene Cessna, BCABA
• Cfsatc Inc (Central Florida Substance Abuse Treatment Centers)
• Chad Harvey MD PA
• Theresa L Chafel, MD
• Archak Chakraborty
• Paula Chalker, CNA
• Heidi Chamberlain

• Hematology & Oncology Physician in Stuart, FL
• Providers in Stuart, FL by specialty
• Hematology & Oncology Physician in Florida

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 9, 2026; 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.