NPIMap

Individual provider Active NPI

Donald Jin Sonn, M.D.

  • Urology Physician
  • Springfield, MA
National Provider Identifier
1821078296
Registry record updated Aug 18, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Urology PhysicianTaxonomy code 208800000X
License
154091 Issued in MA
Practice address
3640 Main St
Suite 103
Springfield, MA 01107-1145
Phone
(413) 785-5321
Fax
(413) 731-7130
NPI assigned
Jan 20, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 18, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Urology Physician 208800000X 075900 CT
Urology Physician 208800000X 154091 MA Primary

Addresses

Primary practice location

3640 Main St
Suite 103
Springfield, MA 01107-1145

Mailing address

3640 Main St
Suite 103
Springfield, MA 01107-1145
Phone (413) 785-5321

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, 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
I20080929000397 MA Practitioner - Urology 5597736900 Reassigns benefits to 2 organizations
I20260203001984 CT Practitioner - Urology 5597736900 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Urology
Education
Albert Einstein College of Medicine of Yeshiva University, 1991
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
LGH Medical Group, Inc.Group PAC ID 3173626751, 165 clinicians
Urology Group of Western New England, P.C.Group PAC ID 9436120847, 12 clinicians

Practice addresses (Care Compare)

31 Village SQ
Chelmsford, MA 01824-2712
Phone (978) 256-9507

3640 Main St
Suite 103
Springfield, MA 01107-1139
Phone (413) 785-5321

61 Locust St
Northampton, MA 01060-2546
Phone 41378553216224

Hospital & facility affiliations

  • Cooley Dickinson Hospital Inc,the Hospital, Northampton, MA, CCN 220015
  • Lowell General Hospital Hospital, Lowell, MA, CCN 220063
  • Norwalk Hospital Hospital, Norwalk, CT, CCN 070034

Merit-based Incentive Payment System (MIPS)

Final score
94.9 of 100Reported as group
Promoting interoperability
94
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Prostate resection1-10
Removal of the uterus1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
075900CTMDUrology Physician
154091MAMDUrology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
LGH Medical Group, Inc. CurrentSince Sep 22, 2025 Accepting new patients
Nuvance Health Medical Practice CT, Inc. CurrentSince Nov 27, 2025 Accepting new patients
Urology Group of Western New England, P.C. Urology CurrentSince Jan 1, 2007 Accepting new patients
System Coordinated Services, Inc Past Accepting new patients
Riverbend Medical Group, Inc Past Accepting new patients
LGH Professional Services LLC Past Accepting new patients

Locations

24 Hospital Ave
Danbury, CT 06810
Phone (203) 739-7118

31 Village Sq
Chelmsford, MA 01824
Phone (978) 256-9507

295 Varnum Ave
Lowell, MA 01854
Phone (978) 788-7344

61 Locust St
Northampton, MA 01060
Phone (413) 584-2303

3640 Main St
Fl 1
Springfield, MA 01107
Phone (413) 785-5321

271 Carew St
Springfield, MA 01104
Phone (413) 748-9000

3640 Main St
Ste 103
Springfield, MA 01107
Phone (413) 785-5321

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 7

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": "1137715200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755475200000",
    "number": "1821078296",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3640 MAIN ST",
            "address_2": "SUITE 103",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011071145",
            "telephone_number": "413-785-5321",
            "fax_number": "413-731-7130"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3640 MAIN ST",
            "address_2": "SUITE 103",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011071145",
            "telephone_number": "413-785-5321",
            "fax_number": "413-731-7130"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SONN",
        "first_name": "DONALD",
        "middle_name": "JIN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-20",
        "last_updated": "2025-08-18",
        "certification_date": "2025-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "CT",
            "license": "075900",
            "primary": false
        },
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "MA",
            "license": "154091",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Springfield, MA

Sources for this page

Verify at the official NPI Registry.