Seth Aaron Lotterman, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

49336 Issued in CT

Practice address

80 Seymour Street
Hartford Hospital Emergency Dept
Hartford, CT 06102-5037

Phone

(860) 545-5000

NPI assigned

Jun 5, 2007

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Other identifiers 3

Electronic endpoints 1

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

Emergency Medicine

Education

Albert Einstein College of Medicine of Yeshiva University, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

The Charlotte Hungerford HospitalGroup PAC ID 4486557501, 206 clinicians

Hartford HospitalGroup PAC ID 2567366016, shared by 6 NPIs, 1,040 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Hartford Hospital Hospital, Hartford, CT, CCN 070025
• Charlotte Hungerford Hospital Hospital, Torrington, CT, CCN 070011

Merit-based Incentive Payment System (MIPS)

Final score

92.63 of 100Reported as group

Quality

75.35

Promoting interoperability

100

Improvement activities

40

Cost

71.44

Merit-based Incentive Payment System (MIPS)

Final score

88.05 of 100Reported as group

Quality

70.34

Promoting interoperability

100

Improvement activities

40

Cost

75.39

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

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

• The Charlotte Hungerford Hospital

  • General Acute Care Hospital
  • Torrington, CT
  • NPI 1629075734

  Emergency Medicine

  Medicare reassignment Care Compare group NPD
• Connecticut Children'S Specialty Group, Inc.

  • Pediatrics Physician
  • Hartford, CT
  • NPI 1669448882
  Medicare reassignment NPD
• Hartford Hospital

  • Surgery Physician
  • Hartford, CT
  • NPI 1407806391

  Emergency Medicine

  Medicare reassignment NPD
• Hartford Hospital

  • General Acute Care Hospital
  • Hartford, CT
  • NPI 1770696643
  Medicare reassignment NPD
• Connecticut Children'S Specialty Group, Inc.

  • Ophthalmology Physician
  • Glastonbury, CT
  • NPI 1568056984
  NPD
• The Charlotte Hungerford Hospital

  • Psychiatric Hospital Unit
  • Torrington, CT
  • NPI 1639255870
  NPD
• River City Emergency Physicians, PLLC

  • Emergency Medicine Physician
  • San Antonio, TX
  • NPI 1164645297
  NPD (past)

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

• Hartford Hospital

  • General Acute Care Hospital
  • Hartford, CT
  • NPI 1770696643
  Care Compare affiliation
• Hartford Hospital

  • General Acute Care Hospital
  • Hartford, CT
  • NPI 1902834880
  Care Compare affiliation
• The Charlotte Hungerford Hospital

  • General Acute Care Hospital
  • Torrington, CT
  • NPI 1629075734
  Care Compare affiliation

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

{
    "created_epoch": "1181001600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782172800000",
    "number": "1104028547",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "80 SEYMOUR ST",
            "city": "HARTFORD",
            "state": "CT",
            "postal_code": "061028000",
            "telephone_number": "860-972-0000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "80 SEYMOUR STREET",
            "address_2": "HARTFORD HOSPITAL EMERGENCY DEPT",
            "city": "HARTFORD",
            "state": "CT",
            "postal_code": "061025037",
            "telephone_number": "860-545-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "282 Washington St",
            "address_purpose": "LOCATION",
            "city": "Hartford",
            "state": "CT",
            "postal_code": "061063322",
            "country_code": "US",
            "telephone_number": "860-545-9200",
            "fax_number": "860-545-9202",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LOTTERMAN",
        "first_name": "SETH",
        "middle_name": "AARON",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-06-05",
        "last_updated": "2026-06-23",
        "certification_date": "2026-06-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "TX",
            "license": "N0229",
            "primary": false
        },
        {
            "code": "207PP0204X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Pediatric Emergency Medicine",
            "state": "CT",
            "license": "49336",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NY",
            "license": "235660",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CT",
            "license": "49336",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "001493360",
            "state": "CT"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "201253602",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBSTX",
            "identifier": "8BZ137",
            "state": "TX"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "slotterman7261@connecticutchildrens.direct-ci.com",
            "affiliation": "N",
            "address_1": "282 Washington St",
            "city": "Hartford",
            "state": "CT",
            "country_code": "US",
            "postal_code": "061063322",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Elizabeth Anne Lorick, MD
• Kiran A Lorick, MD
• Lindsey Lostimolo
• Leslie Martin Lothstein II, PH.D.
• Mary Anne Lothstein, PH.D.
• Nicole Marie Loubier, DNP, CRNA, BSN
• Carrie Marie Loucks, LPC
• Molly O'Neill Louden, D. MIN.
• Kimberly Louis
• Emily Jacinto Louro

• Emergency Medicine Physician in Hartford, CT
• Providers in Hartford, CT by specialty
• Emergency Medicine Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 23, 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.