Active NPI
Jackson Steinkamp, MD
- Internal Medicine Physician
- Warwick, RI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- MD18960
- Practice address
- 43 Jefferson Blvd
Warwick, RI 02888-1027 - Phone
- (401) 941-2830
- Fax
- (401) 941-6886
- NPI assigned
- Apr 10, 2020
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | MD18960 | RI | Primary |
Addresses
Primary practice location
43 Jefferson Blvd
Warwick, RI 02888-1027
Mailing address
15 La Salle SQ
Providence, RI 02903-1814
Phone (401) 444-6779
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
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Boston University School of Medicine, 2020
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
375 Wampanoag TRL
Riverside, RI 02915-2232
Phone (401) 649-4010
43 Jefferson Blvd
Warwick, RI 02888-1027
Phone (401) 649-4000
Hospital & facility affiliations
- The Miriam Hospital
- Women & Infants Hospital of Rhode Island
- Rhode Island Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD18960 | RI | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Brown Medicine | Current | Accepting new patients | |
| Coastal Medical Physicians, Inc. | Internal Medicine | Current | Accepting new patients |
| Brown Medicine | Internal Medicine | Current | Accepting new patients |
Locations
900 Warren Ave
Ste 401
East Providence, RI 02914
Phone (401) 330-2480
909 N Main St
Ste 300
Providence, RI 02904
Phone (401) 273-4064
15 La Salle Sq
Providence, RI 02903
593 Eddy St
Providence, RI 02903
110 Elm St
Providence, RI 02903
Phone (401) 443-4992
375 Wampanoag Trl
Riverside, RI 02915
Phone (401) 649-4010
43 Jefferson Blvd
Ste 2
Warwick, RI 02888
Phone (401) 467-1166
43 Jefferson Blvd
Warwick, RI 02888
Phone (401) 316-5482
Organizations & group practices 4
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.
-
- Internal Medicine Physician
- Riverside, RI
- NPI 1689626764
-
- Internal Medicine Physician
- Providence, RI
- NPI 1780273540
-
- Gastroenterology Physician
- Providence, RI
- NPI 1730827767
-
- Internal Medicine Physician
- Riverside, RI
- NPI 1093678104
Hospital & facility affiliations 6
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Providence, RI
- NPI 1588659528
-
- General Acute Care Hospital
- Providence, RI
- NPI 1972768174
-
- General Acute Care Hospital
- Providence, RI
- NPI 1487649430
-
- General Acute Care Hospital
- Providence, RI
- NPI 1447233788
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1586476800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1772755200000",
"number": "1437778388",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "15 LA SALLE SQ",
"city": "PROVIDENCE",
"state": "RI",
"postal_code": "029031814",
"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": "43 JEFFERSON BLVD",
"city": "WARWICK",
"state": "RI",
"postal_code": "028881027",
"telephone_number": "401-941-2830",
"fax_number": "401-941-6886"
}
],
"practiceLocations": [],
"basic": {
"last_name": "STEINKAMP",
"first_name": "JACKSON",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2020-04-10",
"last_updated": "2026-03-06",
"certification_date": "2026-03-06",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "RI",
"license": "MD18960",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Warwick, RI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 6, 2026; 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.