Individual provider Active NPI

Jennifer J Messina

  • Certified Registered Nurse Anesthetist
  • New London, CT
National Provider Identifier
1821643792
Registry record updated Feb 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
8361 Issued in CT
Practice address
365 Montauk Ave
New London, CT 06320-4769
Phone
(860) 442-0711
NPI assigned
Aug 7, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 24, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 8361 CT Primary

Addresses

Primary practice location

365 Montauk Ave
New London, CT 06320-4769

Mailing address

365 Montauk Ave
New London, CT 06320-4769

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20191008002551 CT Practitioner - Certified Registered Nurse Anesthetist (Crna) 7012248966 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Connecticut Gi PLLCGroup PAC ID 9830110758, 243 clinicians
Yale UniversityGroup PAC ID 9436061736, 2,632 clinicians
Northeast Medical Group IncGroup PAC ID 1254233836, 1,357 clinicians

Practice addresses (Care Compare)

196 Waterford Pkwy S
Suite 306
Waterford, CT 06385-1234
Phone (860) 447-2489

267 Grant St
Bridgeport, CT 06610-2805
Phone (203) 384-3000

365 Montauk Ave
New London, CT 06320-4700
Phone (860) 444-3735

Hospital & facility affiliations

  • Lawrence & Memorial Hospital Hospital, New London, CT, CCN 070007

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as apm
Quality
86.54
Promoting interoperability
99.98
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
87.36 of 100Reported as group
Quality
77.36
Promoting interoperability
100
Improvement activities
40
Cost
74.27

Merit-based Incentive Payment System (MIPS)

Final score
91.99 of 100Reported as group
Quality
89.16
Promoting interoperability
100
Improvement activities
40
Cost
78.45

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
8361CTMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Northeast Medical Group, Inc. Nurse Anesthetist, Certified Registered CurrentSince Jun 17, 2024 Accepting new patients
Connecticut Gi PLLC CurrentSince Jul 1, 2024 Accepting new patients
Bridgeport Anesthesia Associates, P.C. Nurse Anesthetist, Certified Registered CurrentSince Aug 11, 2019 Accepting new patients
Yale University CurrentSince Jan 14, 2021 Accepting new patients
Yale University CurrentSince Jan 14, 2021 Accepting new patients
Mill Hill Medical Consultants Inc CurrentSince Jun 17, 2024 Accepting new patients

Locations

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

52 Hazelnut Hill Rd
Groton, CT 06340
Phone (860) 446-8265

85 Seymour St
Ste 1000
Hartford, CT 06106
Phone (860) 246-2571

60 Wellington Rd
Milford, CT 06461
Phone (203) 878-2010

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

20 York St
Fl 3
New Haven, CT 06510
Phone (203) 688-0715

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

30 Waterchase Dr
Rocky Hill, CT 06067
Phone (860) 257-4131

95 Armory Rd
Stratford, CT 06614
Phone (203) 384-3388

196 Waterford Parkway S
Ste 306
Waterford, CT 06385
Phone (860) 447-2489

Interoperability endpoints

  • Direct secure messaging: jyoo174872@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 and National Provider Directory roles.

Hospital & facility affiliations 2

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": "1565136000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771891200000",
    "number": "1821643792",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "365 MONTAUK AVE",
            "city": "NEW LONDON",
            "state": "CT",
            "postal_code": "063204769"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "365 MONTAUK AVE",
            "city": "NEW LONDON",
            "state": "CT",
            "postal_code": "063204769",
            "telephone_number": "860-442-0711"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MESSINA",
        "first_name": "JENNIFER",
        "middle_name": "J",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-08-07",
        "last_updated": "2026-02-24",
        "certification_date": "2026-02-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "CT",
            "license": "8361",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New London, CT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.