Individual provider Active NPI

Seth Clark

  • Addiction Medicine (Internal Medicine) Physician
  • Providence, RI
National Provider Identifier
1801208798
Registry record updated Jun 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction Medicine (Internal Medicine) PhysicianTaxonomy code 207RA0401X
License
MD15837 Issued in RI
Practice address
200 Corliss St
Providence, RI 02904
Phone
(401) 606-8530
Fax
(401) 606-8549
NPI assigned
May 27, 2014
Sex
Male
Sole proprietor
Yes

Organizations & group practices 19

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.

View all 19

Hospital & facility affiliations 4

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

Care Compare profile

Medicare Care Compare
Specialty
Addiction Medicine
Education
University of Texas Medical Branch at Galveston, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Rhode Island Hospital 430 clinicians
Lifespan Physician Group Inc 1,151 clinicians

Practice addresses (Care Compare)

2 Dudley St Moc
Suite 375
Providence, RI 02905-3248
Phone (401) 606-8530

593 Eddy St
Providence, RI 02903-4923
Phone (401) 444-6779

Hospital & facility affiliations

  • Rhode Island Hospital Hospital, Providence, RI, CCN 410007

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in RI
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
I20170626001451 RI Practitioner - Addiction MedicinePractitioner - Internal Medicine 3870710213 Reassigns benefits to 3 organizations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD15837RIMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Lifespan Physician Group, Inc. Multi-Specialty CurrentSince Jul 1, 2019 Accepting new patients
Lifespan Physician Group, Inc. Multi-Specialty CurrentSince Jul 1, 2019 Accepting new patients
Rhode Island Hospital Multi-Specialty CurrentSince Jun 1, 2019 Accepting new patients
Gateway Healthcare Inc Multi-Specialty CurrentSince Jun 1, 2024 Accepting new patients
Lifespan Corporation Current Accepting new patients
Rhode Island Hospital Past Accepting new patients

Locations

1454 S County Trl
Ste 2100
East Greenwich, RI 02818
Phone (401) 606-2000

1516 Atwood Ave
Johnston, RI 02919
Phone (401) 463-8829

105 Bacon St
Pawtucket, RI 02860
Phone (401) 722-3560

593 Eddy St
Ste 9B
Providence, RI 02903
Phone (401) 444-5280

245 Chapman St
Ste 300
Providence, RI 02905
Phone (401) 444-4741

2 Dudley St
Ste 375MOC
Providence, RI 02905
Phone (401) 606-8530

593 Eddy St
Providence, RI 02903

200 Corliss St
Providence, RI 02904
Phone (401) 606-8530

200 Corliss St
#1
Providence, RI 02904
Phone (401) 606-8530

2 Dudley St
Ste 375
Providence, RI 02905
Phone (401) 606-8530

117 Ellenfield St
Ste 101
Providence, RI 02905
Phone (401) 444-4318

1 Virginia Ave
Ste 200
Providence, RI 02905

375 Wampanoag Trl
Riverside, RI 02915
Phone (401) 649-4010

Interoperability endpoints

  • Direct secure messaging: sclark16396@brownhealth.medalliesdirect.net

Specialties & licenses 2

NPPES NPI Registry
Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X MD15837 RI
Addiction Medicine (Internal Medicine) PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RA0401X MD15837 RI Primary

Addresses

NPPES NPI Registry

Primary practice location

200 Corliss St
Providence, RI 02904

Mailing address

117 Ellenfield St Ste 101
Providence, RI 02905-4513
Phone (401) 444-6779

Other practice location 1

593 Eddy St
Providence, RI 02903-4923
Phone (401) 444-4741

Other practice location 2

200 Corliss St
Providence, RI 02904
Phone (401) 606-8530

Other practice location 3

1052 Park Ave
Cranston, RI 02910-3225
Phone (401) 461-5056

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format, last updated by the provider on Jun 24, 2025.

{
    "created_epoch": "1401148800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750723200000",
    "number": "1801208798",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "117 ELLENFIELD ST STE 101",
            "city": "PROVIDENCE",
            "state": "RI",
            "postal_code": "029054513",
            "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": "200 CORLISS ST",
            "city": "PROVIDENCE",
            "state": "RI",
            "postal_code": "02904",
            "telephone_number": "401-606-8530",
            "fax_number": "401-606-8549"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "593 Eddy St",
            "address_purpose": "LOCATION",
            "city": "Providence",
            "state": "RI",
            "postal_code": "029034923",
            "country_code": "US",
            "telephone_number": "401-444-4741",
            "fax_number": "401-444-4445",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "200 Corliss St",
            "address_purpose": "LOCATION",
            "city": "Providence",
            "state": "RI",
            "postal_code": "02904",
            "country_code": "US",
            "telephone_number": "401-606-8530",
            "fax_number": "401-606-8549",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1052 Park Ave",
            "address_purpose": "LOCATION",
            "city": "Cranston",
            "state": "RI",
            "postal_code": "029103225",
            "country_code": "US",
            "telephone_number": "401-461-5056",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CLARK",
        "first_name": "SETH",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2014-05-27",
        "last_updated": "2025-06-24",
        "certification_date": "2025-06-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "RI",
            "license": "MD15837",
            "primary": false
        },
        {
            "code": "207RA0401X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Addiction Medicine",
            "state": "RI",
            "license": "MD15837",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Providence, RI

Sources for this page

Verify at the official NPI Registry.