Shea C Gregg, MD

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

46015 Issued in CT

Practice address

2800 Main St
Bridgeport, CT 06606-4201

Phone

(401) 272-1800

NPI assigned

Jun 11, 2007

Last updated

Sep 29, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

Specialty

General Surgery

Education

Geisel School of Medicine at Dartmouth, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Hartford Healthcare Medical Group Specialists PLLCGroup PAC ID 3173866241, 1,555 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Vincent's Medical Center Hospital, Bridgeport, CT, CCN 070028

Merit-based Incentive Payment System (MIPS)

Final score

90.42 of 100Reported as group

Quality

83.36

Promoting interoperability

100

Improvement activities

40

Cost

75.9

Merit-based Incentive Payment System (MIPS)

Final score

94 of 100Reported as group

Quality

83.66

Promoting interoperability

100

Improvement activities

40

Cost

66.78

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

CMS’s directory marks this NPI as on an HHS exclusion list; no matching OIG record was found. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: shea.gregg@xdr.hhchealthdirect.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Hartford Healthcare Medical Group Specialists, PLLC

  • Surgery Physician
  • Hartford, CT
  • NPI 1023584216
  Medicare reassignment Care Compare group NPD
• Hartford Hospital

  • Surgery Physician
  • Hartford, CT
  • NPI 1407806391
  Medicare reassignment NPD
• Hartford Hospital

  • General Acute Care Hospital
  • Hartford, CT
  • NPI 1770696643
  Medicare reassignment NPD
• Northeast Medical Group, Inc.

  • Internal Medicine Physician
  • Bridgeport, CT
  • NPI 1043278351

  Surgery

  Medicare reassignment NPD
• The Hospital of Central Connecticut at New Britain General and Bradley

  dba The Hospital of Central Connecticut

  • Hospitalist Physician
  • New Britain, CT
  • NPI 1063461481
  Medicare reassignment NPD
• Fallcall Solutions, LLC

  • Emergency Response System Companies
  • Trumbull, CT
  • NPI 1992678643
  NPD Authorized official
• Hartford Healthcare Medical Group Specialists LLC

  • Customized Equipment (DME)
  • Groton, CT
  • NPI 1295367068
  NPD
• The Hospital of Central Connecticut at New Britain General and Bradley

  dba The Hospital of Central Connecticut

  • Psychiatric Hospital Unit
  • New Britain, CT
  • NPI 1992867006
  NPD

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

• SVMC Holdings, Inc

  • General Acute Care Hospital
  • Bridgeport, CT
  • NPI 1942224696
  Care Compare affiliation

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

{
    "created_epoch": "1181520000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759104000000",
    "number": "1255535670",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "16 SURREY LN",
            "city": "TRUMBULL",
            "state": "CT",
            "postal_code": "066111130",
            "telephone_number": "401-447-2937"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2800 MAIN ST",
            "city": "BRIDGEPORT",
            "state": "CT",
            "postal_code": "066064201",
            "telephone_number": "401-272-1800"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREGG",
        "first_name": "SHEA",
        "middle_name": "C",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-06-11",
        "last_updated": "2025-09-29",
        "certification_date": "2025-09-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CT",
            "license": "46015",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Julie Broderick Green, LCSW MFT MA
• Serena Green, LCSW
• Tremain Green
• Green's Car Service LLC (Green's Car Services)
• Daylan Kendall Greer II, MA
• Lydia H. Greiner, APRN
• Richard George Greiner Jr., MD
• Kevin S Grewal, MD
• Wendy Grey, APRN
• Lillian R Grich

• Surgery Physician in Bridgeport, CT
• Providers in Bridgeport, CT by specialty
• Surgery Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 29, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.