Individual provider Active NPI

Ariel Bar-Mashiah

  • Gastroenterology Physician
  • New York, NY
National Provider Identifier
1871120345
Registry record updated Aug 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
342359-01 Issued in NY
Practice address
505 E 70TH St
New York, NY 10021-4872
Phone
(212) 746-2900
NPI assigned
Mar 25, 2020
Last updated
Aug 27, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 27, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 342359-01 NY Primary

Addresses

Primary practice location

505 E 70TH St
New York, NY 10021-4872

Mailing address

505 E 70TH St
New York, NY 10021-4872
Phone (212) 746-2900

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
I20260627000397 NY Practitioner - GastroenterologyPractitioner - Internal Medicine 1153894431

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
Icahn School of Medicine at Mount Sinai, 2020
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

575 Lexington Ave
New York, NY 10022-6150

PO Box
New York, NY 10087

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

NPI Registry JSON

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

{
    "created_epoch": "1585094400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787788800000",
    "number": "1871120345",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "505 E 70TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100214872",
            "telephone_number": "212-746-2900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "505 E 70TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100214872",
            "telephone_number": "212-746-2900"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BAR-MASHIAH",
        "first_name": "ARIEL",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-25",
        "last_updated": "2026-08-27",
        "certification_date": "2026-08-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NY",
            "license": "342359-01",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.