NPIMap

Individual provider Active NPI

Susan L Collemer, M.D.

  • Emergency Medicine Physician
  • Norwich, CT
National Provider Identifier
1174570865
Registry record updated May 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
MD14267 Issued in RI
Practice address
326 Washington St
Norwich, CT 06360-2740
Phone
(860) 889-8331
NPI assigned
May 28, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 21, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 55273 CT
Emergency Medicine Physician 207P00000X 224252 MA
Emergency Medicine Physician 207P00000X MD14267 RI Primary

Addresses

Primary practice location

326 Washington St
Norwich, CT 06360-2740

Mailing address

25 Wells St
Westerly, RI 02891-2934
Phone (401) 348-3325

Other practice location 1

25 Wells St
Westerly, RI 02891-2934
Phone (401) 348-3325

Other practice location 2

365 Montauk Ave
New London, CT 06320-4769
Phone (860) 442-0711

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in RI, CT2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20130701000559 RI Practitioner - Emergency Medicine 5698705978 Reassigns benefits to 3 organizations
I20161108002534 CT Practitioner - Emergency Medicine 5698705978 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Albany Medical College of Union University, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
LMW Healthcare IncGroup PAC ID 7012155112, 24 clinicians
Lawrence and Memorial Hospital Inc.Group PAC ID 5991792053, 50 clinicians

Practice addresses (Care Compare)

25 Wells St
Westerly, RI 02891-2922
Phone (401) 586-6000

365 Montauk Ave
New London, CT 06320-4700
Phone (860) 442-0711

Hospital & facility affiliations

  • Lawrence & Memorial Hospital Hospital, New London, CT, CCN 070007
  • Westerly Hospital Hospital, Westerly, RI, CCN 410013
  • William W Backus Hospital Hospital, Norwich, CT, CCN 070024

Merit-based Incentive Payment System (MIPS)

Final score
97.8 of 100Reported as group
Quality
90
Promoting interoperability
100
Improvement activities
40
Cost
78.43

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of nail tissue1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
224252MAMDSocial Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Lawrence and Memorial Hospital, Inc. CurrentSince Apr 1, 2019 Accepting new patients
Pathology Consultants of New London, P.C. Current Accepting new patients
Emergency Care Services of New England PC Emergency Medicine CurrentSince Sep 1, 2017 Accepting new patients
The William W Backus Hospital CurrentSince Nov 1, 2017 Accepting new patients
Emergency Physician Associates of New England PC Emergency Medicine CurrentSince Sep 1, 2017 Accepting new patients
LMW Healthcare Inc. Emergency Medicine CurrentSince Jun 1, 2019 Accepting new patients
LMW Healthcare Inc. CurrentSince Jun 1, 2019 Accepting new patients
Lawrence and Memorial Hospital, Inc. Emergency Medicine CurrentSince Apr 1, 2019 Accepting new patients
William W Backus Hospital CurrentSince Nov 1, 2017 Accepting new patients
Emergency Medicine Physicians of New Haven County,LLC Emergency Medicine CurrentSince Nov 1, 2017 Accepting new patients
Usacs of Connecticut, LLC Emergency Medicine CurrentSince Oct 1, 2016 Accepting new patients

Locations

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

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

326 Washington St
Norwich, CT 06360
Phone (860) 701-0140

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

200 High Service Ave
North Providence, RI 02904
Phone (401) 456-3000

100 Kenyon Ave
Wakefield, RI 02879
Phone (401) 782-8000

25 Wells St
Westerly, RI 02891
Phone (401) 348-3325

Interoperability endpoints

  • Direct secure messaging: susan.collemer@xdr.hhchealthdirect.org
  • Direct secure messaging: scollemer325683@direct.ynhh.org

Organizations & group practices 11

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 6

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": "1148774400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779321600000",
    "number": "1174570865",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "25 WELLS ST",
            "city": "WESTERLY",
            "state": "RI",
            "postal_code": "028912934",
            "telephone_number": "401-348-3325"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "326 WASHINGTON ST",
            "city": "NORWICH",
            "state": "CT",
            "postal_code": "063602740",
            "telephone_number": "860-889-8331"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "25 Wells St",
            "address_purpose": "LOCATION",
            "city": "Westerly",
            "state": "RI",
            "postal_code": "028912934",
            "country_code": "US",
            "telephone_number": "401-348-3325",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "365 Montauk Ave",
            "address_purpose": "LOCATION",
            "city": "New London",
            "state": "CT",
            "postal_code": "063204769",
            "country_code": "US",
            "telephone_number": "860-442-0711",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "COLLEMER",
        "first_name": "SUSAN",
        "middle_name": "L",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-28",
        "last_updated": "2026-05-21",
        "certification_date": "2026-05-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CT",
            "license": "55273",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MA",
            "license": "224252",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "RI",
            "license": "MD14267",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Norwich, CT

Sources for this page

Verify at the official NPI Registry.