Chidambaram Ramasamy, MD

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

E-19946 Issued in AR

Practice address

7001 Rogers Ave Ste 200
Fort Smith, AR 72903-4022

Phone

(479) 314-7490

Fax

(479) 314-7494

NPI assigned

Jul 25, 2019

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

Medicare fee-for-service enrollment

Enrolled in AR

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 MedicineAlso: Hematology/Oncology

Education

Other, 2017

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Interoperability endpoints

• Direct secure messaging: cramasamy2997828@direct.trinity-health.org

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.

• Mercy Clinic Fort Smith Communities

  • Orthopaedic Surgery Physician
  • Fort Smith, AR
  • NPI 1699070649
  Medicare reassignment
• Mercy Clinic Fort Smith Communities

  • Multi-Specialty Clinic/Center
  • Fort Smith, AR
  • NPI 1902073620
  Medicare reassignment

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

{
    "created_epoch": "1564012800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785715200000",
    "number": "1275187684",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7001 ROGERS AVE STE 200",
            "city": "FORT SMITH",
            "state": "AR",
            "postal_code": "729034022",
            "telephone_number": "479-314-7490",
            "fax_number": "479-314-7494"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7001 ROGERS AVE STE 200",
            "city": "FORT SMITH",
            "state": "AR",
            "postal_code": "729034022",
            "telephone_number": "479-314-7490",
            "fax_number": "479-314-7494"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "263 Farmington Ave",
            "address_purpose": "LOCATION",
            "city": "Farmington",
            "state": "CT",
            "postal_code": "060301208",
            "country_code": "US",
            "telephone_number": "860-679-2100",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "114 Woodland St",
            "address_purpose": "LOCATION",
            "city": "Hartford",
            "state": "CT",
            "postal_code": "061051208",
            "country_code": "US",
            "telephone_number": "860-679-2147",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RAMASAMY",
        "first_name": "CHIDAMBARAM",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-07-25",
        "last_updated": "2026-08-03",
        "certification_date": "2026-08-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "CT",
            "license": null,
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "MA",
            "license": "280025",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "AR",
            "license": "E-19946",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Laney Beth Rainwater
• Melissa Rainwater, M.D.
• Swathi Reddy Rajula
• Lyndy Luree Raley, SLP
• Rick Marvin Ralston, MS, LAC, NCC
• Ramey Speech Clinic, Inc
• Rita Gray Ramey, M.S. CCC-SLP
• Christina Sofia Ramirez
• Angie Ramsey, MS, LPC CANDIDATE
• Cortney Christian Ramsey, M.S. CCC-SLP

• Hematology & Oncology Physician in Fort Smith, AR
• Providers in Fort Smith, AR by specialty
• Hematology & Oncology Physician in Arkansas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 3, 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.