Active NPI
Seth Clark
- Addiction Medicine (Internal Medicine) Physician
- Providence, RI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Addiction Medicine (Internal Medicine) Physician
- License
- MD15837
- 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.
-
- Psychiatry Physician
- Providence, RI
- NPI 1548506793
Multi-Specialty, RI
-
- Multi-Specialty Clinic/Center
- Providence, RI
- NPI 1154537520
Multi-Specialty, RI
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Pawtucket, RI
- NPI 1821078932
Multi-Specialty, RI
-
- General Acute Care Hospital
- Providence, RI
- NPI 1588659528
-
- Anesthesiology Physician
- Providence, RI
- NPI 1053782466
-
- Urgent Care Clinic/Center
- Warwick, RI
- NPI 1285191163
-
- General Practice Physician
- Providence, RI
- NPI 1407116643
-
- Psychiatric Hospital Unit
- Providence, RI
- NPI 1083709109
-
- End-Stage Renal Disease (ESRD) Treatment Clinic/Center
- Providence, RI
- NPI 1083848980
-
- Transplant Surgery Physician
- Providence, RI
- NPI 1174605208
-
- Hematology & Oncology Physician
- Providence, RI
- NPI 1396849782
-
- End-Stage Renal Disease (ESRD) Treatment Clinic/Center
- East Providence, RI
- NPI 1578817136
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 HospitalLifespan Physician Group Inc
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
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
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20170626001451 | RI | Practitioner - Addiction Medicine | 3870710213 | Reassigns benefits to 3 organizations |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD15837 | RI | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Lifespan Physician Group, Inc. | Multi-Specialty | Current | Accepting new patients |
| Lifespan Physician Group, Inc. | Multi-Specialty | Current | Accepting new patients |
| Rhode Island Hospital | Multi-Specialty | Current | Accepting new patients |
| Gateway Healthcare Inc | Multi-Specialty | Current | 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
- sclark16396@brownhealth.medalliesdirect.net
Specialties & licenses 2
NPPES NPI Registry| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | MD15837 | RI | |
| Addiction Medicine (Internal Medicine) Physician | 207RA0401X | MD15837 | RI | Primary |
Addresses
NPPES NPI RegistryPrimary 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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 24, 2025; 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.