Chris Theodossiou, MD

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

MD.11395R Issued in LA

Practice address

1000 Ochsner Blvd
Covington, LA 70433-8107

Phone

(985) 875-2828

NPI assigned

Jun 22, 2006

Last updated

Jul 13, 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 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in LA

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

Hematology/OncologyAlso: Internal Medicine

Education

Other, 1984

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Ochsner Clinic LLCGroup PAC ID 8224933619, 2,845 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ochsner Medical Center Acute Hospital, New Orleans, LA, CCN 190036
• St Tammany Parish Hospital Hospital, Covington, LA, CCN 190045
• St Charles Parish Hospital Hospital, Luling, LA, CCN 190079
• Ochsner Medical Center - Baton Rouge Hospital, Baton Rouge, LA, CCN 190202
• Ochsner Medical Center-Kenner Hospital, Kenner, LA, CCN 190274

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ctheodossiou14701@direct.ochsner.org

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.

• Ochsner Clinic LLC

  • General Practice Physician
  • New Orleans, LA
  • NPI 1538151428
  Medicare reassignment Care Compare group NPD
• Ochsner Clinic LLC

  dba Diabetes Prevention Program

  • Registered Dietitian
  • Covington, LA
  • NPI 1013747039
  NPD
• Ochsner Clinic LLC

  dba Ochsner CHRISTUS Health Center

  • Internal Medicine Physician
  • Lake Charles, LA
  • NPI 1679045488
  NPD
• Louisiana State University School of Medicine in New Orleans Faculty G

  dba LSU Healthcare Network

  • Multi-Specialty Clinic/Center
  • New Orleans, LA
  • NPI 1477582526
  NPD (past)
• Lsu Medical Center

  • Speech-Language Pathologist
  • New Orleans, LA
  • NPI 1588737803
  NPD (past)
• Johns Hopkins Emergency Medical

  • Emergency Care Clinic/Center
  • Columbia, MD
  • NPI 1922098466
  NPD (past)

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

• East Baton Rouge Medical Center LLC

  dba Ochsner Medical Center Baton Rouge

  • General Acute Care Hospital
  • Baton Rouge, LA
  • NPI 1053360651
  Care Compare affiliation
• Hospital Service Dist. No. 1 of the Parish of St. Charles, State of la

  dba St. Charles Parish Hospital

  • General Acute Care Hospital
  • Luling, LA
  • NPI 1295716637
  Care Compare affiliation
• Ochsner Clinic Foundation

  dba Ochsner Medical Center Acute

  • General Acute Care Hospital
  • New Orleans, LA
  • NPI 1811973100
  Care Compare affiliation
• Ochsner Medical Center - Kenner, L.L.C.

  • General Acute Care Hospital
  • Kenner, LA
  • NPI 1710097936
  Care Compare affiliation
• St Tammany Parish Hospital Service District No 1

  dba St Tammany Physicians Network

  • Internal Medicine Physician
  • Covington, LA
  • NPI 1083793582

  Hospital

  Care Compare affiliation
• St Tammany Parish Hospital Service District No 1

  dba Northlake Pulmonary Associates at St Tammany Parish Hospital

  • Pulmonary Disease Physician
  • Covington, LA
  • NPI 1285285874

  Hospital

  Care Compare affiliation
• St. Tammany Parish Hospital Service District No 1

  dba St. Tammany Parish Hospital

  • General Acute Care Hospital
  • Covington, LA
  • NPI 1598798597
  Care Compare affiliation

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

{
    "created_epoch": "1150934400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1063458438",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1514 JEFFERSON HWY",
            "city": "NEW ORLEANS",
            "state": "LA",
            "postal_code": "701212429",
            "telephone_number": "504-842-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 OCHSNER BLVD",
            "city": "COVINGTON",
            "state": "LA",
            "postal_code": "704338107",
            "telephone_number": "985-875-2828"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THEODOSSIOU",
        "first_name": "CHRIS",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-22",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "LA",
            "license": "MD.11395R",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1675679",
            "state": "LA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• The Foodbank of Covington, Louisiana, Inc. (All Saints Dental Clinic)
• The Great Atlantic and Pacific Tea Company Inc (Sav a Center Pharmacy)
• The Movement Science Center
• The Natural Birthhouse - Northshore
• The Natural Birthhouse - Northshore
• Therapeutic Partners,LLC
• Theraplay Pediatrics LLC
• Therapy for Her, LLC
• Anne Kyte Thiel, FNP-BC
• Thieler, LLC

• Hematology & Oncology Physician in Covington, LA
• Providers in Covington, LA by specialty
• Hematology & Oncology Physician in Louisiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.