Individual provider Active NPI

Mark Xavier Cicero, MD

  • Pediatric Emergency Medicine (Pediatrics) Physician
  • New Haven, CT
National Provider Identifier
1548315823
Registry record updated Jul 8, 2007
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Emergency Medicine (Pediatrics) PhysicianTaxonomy code 2080P0204X
License
FELLOWTRAININGLICENS Issued in CT
Practice address
20 York St
New Haven, CT 06504-8900
Phone
(203) 688-7970
NPI assigned
Jan 24, 2007
Last updated
Jul 8, 2007By the provider in NPPES
Sex
Male
Sole proprietor
No

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
Pediatric Emergency Medicine (Pediatrics) Physician 2080P0204X FELLOWTRAININGLICENS CT Primary

Addresses

Primary practice location

20 York St
New Haven, CT 06504-8900

Mailing address

84 Russell St
Hamden, CT 06517-2017
Phone (757) 575-8007

Other names 1

  • Dr. Mark John Cicero Other name

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
I20080717000398 CT Practitioner - Pediatric MedicinePractitioner - Emergency Medicine 6406813419 Reassigns benefits to 2 organizations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
FELLOWTRAININGLICENSCTMDPediatric Emergency Medicine (Pediatrics) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Yale University CurrentSince Jul 1, 2008 Accepting new patients
Yale University CurrentSince Jul 1, 2008 Accepting new patients
Bridgeport Hospital CurrentSince Sep 4, 2025 Accepting new patients
Bridgeport Hospital Current Accepting new patients
Bridgeport Hospital CurrentSince Sep 4, 2025 Accepting new patients
Childrens Specialty Group PLLC Past Accepting new patients

Locations

267 Grant St
Bridgeport, CT 06610
Phone (203) 384-3170

41 Brewster Rd
Bristol, CT 06010
Phone (800) 585-3000

50 Division St
New Haven, CT 06511
Phone (203) 785-2140

800 Howard Ave
New Haven, CT 06519
Phone (203) 785-2140

365 Montauk Ave
New London, CT 06320
Phone (860) 271-4364

20 York St
North Haven, CT 06510
Phone (203) 688-2433

1 Hospital Plz
Stamford, CT 06902
Phone (203) 276-4925

Interoperability endpoints

  • Direct secure messaging: mcicero8649@direct.ynhh.org

Organizations & group practices 6

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.

NPI Registry JSON

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

{
    "created_epoch": "1169596800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1183852800000",
    "number": "1548315823",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "84 RUSSELL ST",
            "city": "HAMDEN",
            "state": "CT",
            "postal_code": "065172017",
            "telephone_number": "757-575-8007"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20 YORK ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065048900",
            "telephone_number": "203-688-7970"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CICERO",
        "first_name": "MARK",
        "middle_name": "XAVIER",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-01-24",
        "last_updated": "2007-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0204X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Emergency Medicine",
            "state": "CT",
            "license": "FELLOWTRAININGLICENS",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARK",
            "last_name": "CICERO",
            "middle_name": "JOHN",
            "prefix": "DR.",
            "credential": "MD",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in New Haven, CT

Sources for this page

Verify at the official NPI Registry.