Individual provider Active NPI

Chasen J Greig, M.D.

  • Surgery Physician
  • Hartford, CT
National Provider Identifier
1649513466
Registry record updated Jul 16, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
69152 Issued in CT
Practice address
114 Woodland St
Hartford, CT 06105-1208
Phone
(860) 714-5237
NPI assigned
Mar 29, 2013
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 16, 2021

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Surgery PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 208600000X 69152 CT Primary

Addresses

Primary practice location

114 Woodland St
Hartford, CT 06105-1208

Mailing address

1000 Asylum Ave Ste 4302
West Hartford, CT 06105-1704
Phone (860) 713-5237

Other practice location 1

333 City Blvd West Ste 1600
Orange, CA 92868
Phone (714) 456-7890

Other practice location 2

759 Chestnut St
Springfield, MA 01199-1001
Phone (413) 794-0000

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
I20211018002004 CT Practitioner - General Surgery 2961638861 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
Temple University School of Medicine, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

114 Woodland St
Hartford, CT 06105-1208
Phone (860) 714-4000

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy1-10
Hernia repair (minimally invasive)1-10
Upper gastrointestinal (GI) endoscopy for acid reflux1-10
Removal of tissue1-10
Skin biopsy1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
69152CTMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Trinity Health of New England Provider Network Organization Inc Multi-Specialty CurrentSince Sep 27, 2021 Accepting new patients
Trinity Health of New England Provider Network Organization Inc Multi-Specialty CurrentSince Sep 27, 2021 Accepting new patients

Locations

1300 Hall Blvd
Fl 3
Bloomfield, CT 06002
Phone (860) 714-2376

114 Woodland St
Hartford, CT 06105
Phone (860) 714-4001

1000 Asylum Ave
Ste 4302
West Hartford, CT 06105
Phone (860) 714-4270

Interoperability endpoints

  • Direct secure messaging: cgreig2389232@direct.trinity-health.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 3

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": "1364515200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1626393600000",
    "number": "1649513466",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1000 ASYLUM AVE STE 4302",
            "city": "WEST HARTFORD",
            "state": "CT",
            "postal_code": "061051704",
            "telephone_number": "860-713-5237"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "114 WOODLAND ST",
            "city": "HARTFORD",
            "state": "CT",
            "postal_code": "061051208",
            "telephone_number": "860-714-5237"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "333 City Blvd West Ste 1600",
            "address_purpose": "LOCATION",
            "city": "Orange",
            "state": "CA",
            "postal_code": "92868",
            "country_code": "US",
            "telephone_number": "714-456-7890",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "759 Chestnut St",
            "address_purpose": "LOCATION",
            "city": "Springfield",
            "state": "MA",
            "postal_code": "011991001",
            "country_code": "US",
            "telephone_number": "413-794-0000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GREIG",
        "first_name": "CHASEN",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2013-03-29",
        "last_updated": "2021-07-16",
        "certification_date": "2021-07-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Surgery",
            "state": "CT",
            "license": "69152",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Hartford, CT

Sources for this page

Verify at the official NPI Registry.