Individual provider Active NPI

Helen Tsai, MD

  • Infectious Disease Physician
  • Bronx, NY
National Provider Identifier
1144751462
Registry record updated Jun 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Infectious Disease PhysicianTaxonomy code 207RI0200X
License
312573 Issued in NY
Practice address
111 E 210TH St
Bronx, NY 10467-2401
Phone
(718) 920-4242
NPI assigned
Mar 27, 2017
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 17, 2026

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 312573 NY Primary

Addresses

Primary practice location

111 E 210TH St
Bronx, NY 10467-2401

Mailing address

3411 Wayne Ave Ste 4E4H
Bronx, NY 10467-2509

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
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
I20220906002041 NY Practitioner - Infectious Disease 9234513524 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Infectious Disease
Education
Other, 2017
Medicare assignment
May accept Medicare assignment
Telehealth
Offers telehealth services
Group practices
Montefiore Medical CenterGroup PAC ID 3779496021, 2,809 clinicians

Practice addresses (Care Compare)

111 E 210TH St
Bronx, NY 10467-2401
Phone (718) 920-4321

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as group
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Montefiore Medical Center CurrentSince Jun 17, 2022 Accepting new patients
Montefiore Medical Center Infectious Disease CurrentSince Jun 17, 2022 Accepting new patients

Locations

3411 Wayne Ave
Ste 4E4H
Bronx, NY 10467

3411 Wayne Ave
Fl 4
Bronx, NY 10467
Phone (718) 920-4664

111 E 210th St
Bronx, NY 10467

Networks

  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H3359

Interoperability endpoints

  • Direct secure messaging: htsai@montefioredirect.com

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 1

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": "1490572800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781654400000",
    "number": "1144751462",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3411 WAYNE AVE STE 4E4H",
            "city": "BRONX",
            "state": "NY",
            "postal_code": "104672509"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "111 E 210TH ST",
            "city": "BRONX",
            "state": "NY",
            "postal_code": "104672401",
            "telephone_number": "718-920-4242"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TSAI",
        "first_name": "HELEN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-03-27",
        "last_updated": "2026-06-17",
        "certification_date": "2026-06-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "NY",
            "license": "312573",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bronx, NY

Sources for this page

Verify at the official NPI Registry.