Adel Muhanna Muhanna, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

82054 Issued in CT

Practice address

150 Mansfield Ave
Willimantic, CT 06226-2026

Phone

(860) 423-3299

Fax

(860) 423-8739

NPI assigned

May 2, 2019

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

Gastroenterology

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Connecticut Gi PLLCGroup PAC ID 9830110758, 243 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Windham Community Memorial Hospital Hospital, Willimantic, CT, CCN 070021
• William W Backus Hospital Hospital, Norwich, CT, CCN 070024

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: amuhanna369651@direct.saint-lukes.org

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.

• Connecticut Gi PLLC

  • Gastroenterology Physician
  • Hartford, CT
  • NPI 1023124625
  Medicare reassignment Care Compare group NPD
• Litchfield County Gastroenterology Associates, LLC

  • Gastroenterology Physician
  • Torrington, CT
  • NPI 1871513283
  NPD (past)

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

• The William W Backus Hospital

  • General Acute Care Hospital
  • Norwich, CT
  • NPI 1467517235
  Care Compare affiliation
• The William W Backus Hospital

  • General Acute Care Hospital
  • Norwich, CT
  • NPI 1639135718
  Care Compare affiliation
• William W Backus Hospital

  • Psychiatric Hospital Unit
  • Norwich, CT
  • NPI 1730243536
  Care Compare affiliation
• Windham Community Memorial Hospital, Inc.

  • General Acute Care Hospital
  • Willimantic, CT
  • NPI 1023191467
  Care Compare affiliation

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

{
    "created_epoch": "1556755200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768953600000",
    "number": "1154986461",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "150 MANSFIELD AVE",
            "city": "WILLIMANTIC",
            "state": "CT",
            "postal_code": "062262026",
            "telephone_number": "860-423-3299",
            "fax_number": "860-423-8739"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "150 MANSFIELD AVE",
            "city": "WILLIMANTIC",
            "state": "CT",
            "postal_code": "062262026",
            "telephone_number": "860-423-3299",
            "fax_number": "860-423-8739"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MUHANNA",
        "first_name": "ADEL",
        "middle_name": "MUHANNA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-05-02",
        "last_updated": "2026-01-21",
        "certification_date": "2026-01-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CT",
            "license": "82054",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Julian Montes de Oca
• Adam Moon, PHARMD
• Samer T Morcos, MD
• Robert Irwin Moskowitz, MD
• Neil Moynihan, M.D.
• Jessica Hsieh Mullins, M.D.
• Chanell S Mundell, LPCA
• Julian Leonardo Munoz, MD
• Patricia Murphy
• Lynette C Murray, CRNA

• Gastroenterology Physician in Willimantic, CT
• Providers in Willimantic, CT by specialty
• Gastroenterology Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 21, 2026; 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.