Ryan Anthonypillai

Primary specialty

Medical Physician AssistantTaxonomy code 363AM0700X

License

1222794

Practice address

1 Hospital PLZ
Stamford, CT 06902-3602

Phone

(203) 276-7777

NPI assigned

Jan 9, 2024

Sex

Male

Sole proprietor

No

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 CT

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

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.

• Emergency Medicine Physicians of Fairfield County, LLC

  • Emergency Medicine Physician
  • Stamford, CT
  • NPI 1689614109

  CT

  Medicare reassignment Care Compare group NPD
• Emergency Medicine Physicians of New Haven County,LLC

  • Emergency Medicine Physician
  • Meriden, CT
  • NPI 1083910962

  CT

  Medicare reassignment Care Compare group NPD

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

• Stamford Hospital

  • General Acute Care Hospital
  • Stamford, CT
  • NPI 1356331425

  Hospital

  Care Compare affiliation

Specialty

Physician Assistant

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Emergency Medicine Physicians of New Haven County,LLC 4 clinicians

Emergency Medicine Physicians of Fairfield County LLC 36 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Stamford Hospital Hospital, Stamford, CT, CCN 070006

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

{
    "created_epoch": "1704758400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750982400000",
    "number": "1619747722",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3261 W STATE RD",
            "city": "SAINT BONAVENTURE",
            "state": "NY",
            "postal_code": "147789800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 HOSPITAL PLZ",
            "city": "STAMFORD",
            "state": "CT",
            "postal_code": "069023602",
            "telephone_number": "203-276-7777"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3261 W State Rd",
            "address_purpose": "LOCATION",
            "city": "Saint Bonaventure",
            "state": "NY",
            "postal_code": "147789800",
            "country_code": "US",
            "telephone_number": "716-375-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ANTHONYPILLAI",
        "first_name": "RYAN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2024-01-09",
        "last_updated": "2025-06-27",
        "certification_date": "2025-06-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": null,
            "license": "1222794",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nicole Annino, PA-C
• Shakira Annosier
• Mariam Ansari
• Louise Marie Anselmo, M.S,P.T.
• Megan Nicole Anthony, FNP
• Catherine Antipuesto
• Denessa Antoine Antoine, LMSW
• Audra Antoniello
• Justina Aguirre Antonio, PA
• Maria Josefina Antonio, APRN

• All providers in Stamford, CT
• Medical Physician Assistant in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 27, 2025; 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.