Chockalingam Arun Narayanan, M.D.

Primary specialty

Clinical Cardiac Electrophysiology PhysicianTaxonomy code 207RC0001X

License

49218 Issued in TX

Practice address

1005 Harborside Dr 6TH FL
Galveston, TX 77555-1501

Phone

(409) 772-2328

NPI assigned

May 2, 2014

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 TX

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

Cardiac Electrophysiology

Education

Other, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Utmb Faculty Group PracticeGroup PAC ID 3375456734, 1,083 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University of Texas Medical Branch Galveston Hospital, Galveston, TX, CCN 450018
• University of Texas M D Anderson Cancer Center Hospital, Houston, TX, CCN 450076
• CHI St Luke'S Health Brazosport Hospital, Lake Jackson, TX, CCN 450072

Merit-based Incentive Payment System (MIPS)

Final score

78.88 of 100Reported as group

Quality

73.38

Improvement activities

40

Cost

78.42

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cnarayanan56208@direct.utmb.edu
• Direct secure messaging: cnarayanan25576@tuftsmedicine.direct-ci.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.

• Utmb Faculty Group Practice

  • General Practice Physician
  • Galveston, TX
  • NPI 1942241146
  Medicare reassignment Care Compare group NPD
• University of Texas Medical Branch at Galveston

  • Community/Retail Pharmacy
  • Friendswood, TX
  • NPI 1699532861
  NPD (past)
• Ut Physicians

  • Health Educator
  • Houston, TX
  • NPI 1316534472
  NPD (past)

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

• The Community Hospital of Brazosport

  • General Acute Care Hospital
  • Lake Jackson, TX
  • NPI 1972581940
  Care Compare affiliation
• University of Texas M. D. Anderson Cancer Center

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1174582050
  Care Compare affiliation
• University of Texas Medical Branch at Galveston

  • General Acute Care Hospital
  • Galveston, TX
  • NPI 1548226988
  Care Compare affiliation

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

{
    "created_epoch": "1398988800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785888000000",
    "number": "1508276296",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 650859",
            "address_2": "DEPT 710",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752651501",
            "telephone_number": "409-747-6240"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1005 HARBORSIDE DR 6TH FL",
            "city": "GALVESTON",
            "state": "TX",
            "postal_code": "775551501",
            "telephone_number": "409-772-2328"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NARAYANAN",
        "first_name": "CHOCKALINGAM",
        "middle_name": "ARUN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-05-02",
        "last_updated": "2026-08-05",
        "certification_date": "2026-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Clinical Cardiac Electrophysiology",
            "state": "TX",
            "license": "47721",
            "primary": false
        },
        {
            "code": "207RC0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Clinical Cardiac Electrophysiology",
            "state": "TX",
            "license": "49218",
            "primary": true
        },
        {
            "code": "207RC0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Clinical Cardiac Electrophysiology",
            "state": "TX",
            "license": "48808",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joseph David Nagan, D.O.
• Bindi Naik-Mathuria, MD
• Gayatri B Nair
• Angela Marie Nallie, APRN-FNP-C
• Anne Nance, APRN, NP-C
• Swetha Narayanan, MS, CGC
• Harminder S Narula, MD
• Camila Narvaez Caicedo, MD
• Abdallah Naser, MD
• Kathleen Ann Nash, FNP

• Clinical Cardiac Electrophysiology Physician in Galveston, TX
• Providers in Galveston, TX by specialty
• Clinical Cardiac Electrophysiology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 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.