Individual provider Active NPI

Nicholas Arthur Heliotis, DO

  • Internal Medicine Physician
  • Norwalk, CT
National Provider Identifier
1922636158
Registry record updated Apr 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
75927 Issued in CT
Practice address
108 East Ave
Norwalk, CT 06851-5011
Phone
(203) 853-9166
NPI assigned
Apr 1, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 15, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 75927 CT Primary

Addresses

Primary practice location

108 East Ave
Norwalk, CT 06851-5011

Mailing address

108 East Ave
Norwalk, CT 06851-5011
Phone (203) 853-9166

Medicare participation

Medicare enrollment files
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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20231106001917 CT Practitioner - Internal Medicine 5294182739

Care Compare profile

Medicare Care Compare

Merit-based Incentive Payment System (MIPS)

Final score
86.6 of 100Reported as group
Quality
84.86
Promoting interoperability
99
Improvement activities
40
Cost
71.31

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
75927CTMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Stamford Hospital PastSince Nov 26, 2023 Accepting new patients

Interoperability endpoints

  • Direct secure messaging: nheliotis36858@stamfordhealth.direct-ci.com

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1585699200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776211200000",
    "number": "1922636158",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "108 EAST AVE",
            "city": "NORWALK",
            "state": "CT",
            "postal_code": "068515011",
            "telephone_number": "203-853-9166",
            "fax_number": "203-831-9884"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "108 EAST AVE",
            "city": "NORWALK",
            "state": "CT",
            "postal_code": "068515011",
            "telephone_number": "203-853-9166"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HELIOTIS",
        "first_name": "NICHOLAS",
        "middle_name": "ARTHUR",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-01",
        "last_updated": "2026-04-15",
        "certification_date": "2026-04-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CT",
            "license": "75927",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Norwalk, CT

Sources for this page

Verify at the official NPI Registry.