Individual provider Active NPI

Mark Edward Gromisch, M.D.

  • Gastroenterology Physician
  • New York, NY
National Provider Identifier
1619092855
Registry record updated Jul 8, 2007
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
170354 Issued in NY
Practice address
166 E 88TH St
Suite 1
New York, NY 10128-2255
Phone
(212) 410-3350
NPI assigned
Mar 20, 2007
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 8, 2007

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 170354 NY Primary

Addresses

Primary practice location

166 E 88TH St
Suite 1
New York, NY 10128-2255

Mailing address

1005 Smith Ridge Rd
New Canaan, CT 06840-2331
Phone (203) 966-5682

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
170354NYMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Comprehensive Gastrointestinal and Medical Solutions, LLC Gastroenterology PastSince Jun 1, 2021 Accepting new patients

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": "1174348800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1183852800000",
    "number": "1619092855",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1005 SMITH RIDGE RD",
            "city": "NEW CANAAN",
            "state": "CT",
            "postal_code": "068402331",
            "telephone_number": "203-966-5682"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "166 E 88TH ST",
            "address_2": "SUITE 1",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "101282255",
            "telephone_number": "212-410-3350"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GROMISCH",
        "first_name": "MARK",
        "middle_name": "EDWARD",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-03-20",
        "last_updated": "2007-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NY",
            "license": "170354",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 8, 2007; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.