Individual provider Active NPI

Kathleen Elizabeth Singer, M.D.

  • Surgery Physician
  • Providence, RI
National Provider Identifier
1932633294
Registry record updated Oct 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
MD21525 Issued in RI
Practice address
2 Dudley St Ste 470
Providence, RI 02905-3248
Phone
(401) 272-1800
Fax
(401) 751-5124
NPI assigned
Apr 13, 2017
Last updated
Oct 8, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 8, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X MD21525 RI Primary
Surgery Physician 208600000X 1023708 MA

Addresses

Primary practice location

2 Dudley St Ste 470
Providence, RI 02905-3248

Mailing address

15 Lasalle Square
Providence, RI 02903
Phone (401) 444-6779

Other practice location 1

231 Albert Sabin Way
Room 1586, ML 0558
Cincinnati, OH 45267-0558
Phone (973) 476-0514

Other practice location 2

165 Cambridge St
Boston, MA 02114-2783
Phone (617) 643-2439

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
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
I20250930003124 MA Practitioner - General Surgery 4688943798 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
University of Massachusetts Medical School, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
The General Hospital CorporationGroup PAC ID 6507803806, 1,275 clinicians

Practice addresses (Care Compare)

165 Cambridge St
Boston, MA 02114-2783
Phone (617) 726-2000

55 Fruit St
Boston, MA 02114-2696
Phone (617) 724-0287

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Hernia repair (minimally invasive)1-10
Upper gastrointestinal (GI) endoscopy for acid reflux1-10
Removal of tissue1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD21525RIMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The General Hospital Corporation CurrentSince Aug 1, 2025 Accepting new patients
Massachusetts General Physicians Organization Inc Surgery CurrentSince Aug 1, 2025 Accepting new patients

Locations

15 Parkman St
Boston, MA 02114
Phone (617) 726-3023

165 Cambridge St
Boston, MA 02114
Phone (617) 726-4600

165 Cambridge St
Fl 5
Boston, MA 02114
Phone (617) 726-1422

165 Cambridge St
Ste 501
Boston, MA 02114
Phone (617) 726-4600

55 Fruit St
Boston, MA 02114

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

62 13th St
Charlestown, MA 02129
Phone (617) 724-3874

Organizations & group practices 2

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.

Hospital & facility affiliations 1

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": "1492041600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791417600000",
    "number": "1932633294",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15 LASALLE SQUARE",
            "city": "PROVIDENCE",
            "state": "RI",
            "postal_code": "02903",
            "telephone_number": "401-444-6779",
            "fax_number": "401-444-6912"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2 DUDLEY ST STE 470",
            "city": "PROVIDENCE",
            "state": "RI",
            "postal_code": "029053248",
            "telephone_number": "401-272-1800",
            "fax_number": "401-751-5124"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "231 Albert Sabin Way",
            "address_2": "Room 1586, ML 0558",
            "address_purpose": "LOCATION",
            "city": "Cincinnati",
            "state": "OH",
            "postal_code": "452670558",
            "country_code": "US",
            "telephone_number": "973-476-0514",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "165 Cambridge St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021142783",
            "country_code": "US",
            "telephone_number": "617-643-2439",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SINGER",
        "first_name": "KATHLEEN",
        "middle_name": "ELIZABETH",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2017-04-13",
        "last_updated": "2026-10-08",
        "certification_date": "2026-10-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "RI",
            "license": "MD21525",
            "primary": true
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MA",
            "license": "1023708",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Providence, RI

Sources for this page

Verify at the official NPI Registry.