Individual provider Active NPI

Simone Blaser, MD

  • Infectious Disease Physician
  • New Haven, CT
National Provider Identifier
1811450034
Registry record updated Aug 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Infectious Disease PhysicianTaxonomy code 207RI0200X
License
82640 Issued in CT
Practice address
20 York St
New Haven, CT 06510-3220
Phone
(203) 688-4242
NPI assigned
Apr 14, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 1, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Infectious Disease Physician 207RI0200X 82640 CT Primary

Addresses

Primary practice location

20 York St
New Haven, CT 06510-3220

Mailing address

20 York St
New Haven, CT 06510-3220
Phone (203) 688-4242

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
I20251106000433 CT Practitioner - Infectious DiseasePractitioner - Internal Medicine 0840523866 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Infectious DiseaseAlso: Internal Medicine
Education
New York University School of Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Yale UniversityGroup PAC ID 9436061736, 2,632 clinicians

Practice addresses (Care Compare)

20 York St
New Haven, CT 06510-3220
Phone (203) 688-4242

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
82640CTMDInfectious Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Yale University CurrentSince Oct 16, 2025 Accepting new patients
Yale University CurrentSince Oct 16, 2025 Accepting new patients

Locations

800 Howard Ave
New Haven, CT 06519
Phone (203) 785-2140

20 York St
North Haven, CT 06510
Phone (203) 688-2433

Interoperability endpoints

  • Direct secure messaging: sblaser571104@direct.ynhh.org

Organizations & group practices 2

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.

Hospital & facility affiliations 2

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

NPI Registry JSON

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

{
    "created_epoch": "1555200000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754006400000",
    "number": "1811450034",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20 YORK ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103220",
            "telephone_number": "203-688-4242"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20 YORK ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103220",
            "telephone_number": "203-688-4242"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BLASER",
        "first_name": "SIMONE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-04-14",
        "last_updated": "2025-08-01",
        "certification_date": "2025-08-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "CT",
            "license": "82640",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New Haven, CT

Sources for this page

Verify at the official NPI Registry.