Ian Fernando Guillen Alvarez, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

76275 Issued in CT

Practice address

2800 Main Street
Dept of Medicine
Bridgeport, CT 06606

Phone

(475) 210-5791

Fax

(475) 210-5022

NPI assigned

Jun 22, 2021

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

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

Internal Medicine

Education

Other, 2017

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
• St Vincent'S Medical Center Inpatient rehabilitation facility, Bridgeport, CT, CCN 07T028

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ian.guillenalvarez@xdr.hhchealthdirect.org
• Direct secure messaging: iguillenalvarez577412@direct.ochin.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.

• Hartford Healthcare Medical Group Specialists, PLLC

  • Surgery Physician
  • Hartford, CT
  • NPI 1023584216
  Medicare reassignment Care Compare group NPD
• Hartford Healthcare Medical Group Specialists LLC

  • Customized Equipment (DME)
  • Groton, CT
  • NPI 1295367068
  NPD

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

• SVMC Holdings, Inc

  • Rehabilitation Hospital Unit
  • Bridgeport, CT
  • NPI 1396751616

  Inpatient rehabilitation facility

  Care Compare affiliation
• 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": "1624320000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1718150400000",
    "number": "1801465166",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2800 MAIN STREET",
            "address_2": "DEPT OF MEDICINE",
            "city": "BRIDGEPORT",
            "state": "CT",
            "postal_code": "06606"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2800 MAIN STREET",
            "address_2": "DEPT OF MEDICINE",
            "city": "BRIDGEPORT",
            "state": "CT",
            "postal_code": "06606",
            "telephone_number": "475-210-5791",
            "fax_number": "475-210-5022"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUILLEN ALVAREZ",
        "first_name": "IAN",
        "middle_name": "FERNANDO",
        "name_prefix": "Mr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-06-22",
        "last_updated": "2024-06-12",
        "certification_date": "2024-06-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CT",
            "license": "76275",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kathryn Guedes
• Angelo Michael Guerrera, D.M.D.
• Lizda Itzel Guerrero Arroyo, MD
• Ibis Guerrero, LCSW, LADC
• Cynthia Guerrier, MSW,BSW
• Alberto Rafael Guinazu, MD
• Alyssa Guirguis, PHARMD
• Samantha Guleserian, PA-C
• Shiva Gundavaram, PHYSICAL THERAPIST
• Steven Guon, MD

• Internal Medicine Physician in Bridgeport, CT
• Providers in Bridgeport, CT by specialty
• Internal Medicine Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 12, 2024; 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.