Vignesh Ponnusamy

Primary specialty

Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X

License

MD16987 Issued in RI

Practice address

115 Cass Ave
Woonsocket, RI 02895-4705

Phone

(401) 769-4100

NPI assigned

Jun 24, 2015

Sex

Male

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in RI

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

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Prime Healthcare Services Landmark LLCGroup PAC ID 3274761069, 48 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Landmark Medical Center Hospital, Woonsocket, RI, CCN 410011

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

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.

• Prime Healthcare Services Landmark LLC

  • Hematology & Oncology Physician
  • Woonsocket, RI
  • NPI 1518388651
  Medicare reassignment Care Compare group NPD
• Prime Healthcare Services Landmark LLC

  • General Acute Care Hospital
  • Woonsocket, RI
  • NPI 1699752923
  NPD

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

• Prime Healthcare Services Landmark LLC

  • General Acute Care Hospital
  • Woonsocket, RI
  • NPI 1699752923
  Care Compare affiliation
• Prime Healthcare Services-Landmark LLC

  • Psychiatric Hospital Unit
  • Woonsocket, RI
  • NPI 1396722666
  Care Compare affiliation

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

{
    "created_epoch": "1435104000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789084800000",
    "number": "1740662931",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "115 CASS AVE",
            "city": "WOONSOCKET",
            "state": "RI",
            "postal_code": "028954705",
            "telephone_number": "401-769-4100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "115 CASS AVE",
            "city": "WOONSOCKET",
            "state": "RI",
            "postal_code": "028954705",
            "telephone_number": "401-769-4100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PONNUSAMY",
        "first_name": "VIGNESH",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2015-06-24",
        "last_updated": "2026-09-11",
        "certification_date": "2026-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "RI",
            "license": "MD16987",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Gabriel J Pleasants, MD
• John B Pleasants, PA
• Jamie Plouff
• Richard Keith Polacek, LBA, BCBA
• Edgar A Pollak, MD
• Anthony R Potenza, MD
• Jolene Potter, LCSW
• Chanta Pou, NP
• Hannah Prairie, RN
• Benjamin Price, MD

• Critical Care Medicine (Internal Medicine) Physician in Woonsocket, RI
• Providers in Woonsocket, RI by specialty
• Critical Care Medicine (Internal Medicine) Physician in Rhode Island

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.