Active NPI
Spyridon Ntelis, MD
- Endocrinology, Diabetes & Metabolism Physician
- Providence, RI
National Provider Identifier
1437823275
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Endocrinology, Diabetes & Metabolism Physician
- License
- MD21293
- Practice address
- 593 Eddy St
Providence, RI 02903-4923 - Phone
- (401) 444-3565
- Fax
- (401) 444-5493
- NPI assigned
- Aug 5, 2021
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Endocrinology, Diabetes & Metabolism Physician | 207RE0101X | MD21293 | RI | Primary |
Addresses
Primary practice location
593 Eddy St
Providence, RI 02903-4923
Mailing address
15 Lasalle Square
Providence, RI 02903-1814
Phone (401) 444-2369
Other practice location 1
245 Chapman St Ste 300
Providence, RI 02905-4539
Phone (401) 444-5280
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Care Compare profile
Medicare Care Compare- Specialty
- Endocrinology
- Education
- Other, 2019
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Rhode Island HospitalLifespan Physician Group Inc
Practice addresses (Care Compare)
245 Chapman St
Suite 300
Providence, RI 02905-4539
Phone (401) 444-5280
375 Wampanoag TRL
Riverside, RI 02915-2232
Phone (401) 649-4000
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Interoperability endpoints
- sntelis659501@direct.ynhh.org
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1628121600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783641600000",
"number": "1437823275",
"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": "029031814",
"telephone_number": "401-444-2369",
"fax_number": "401-444-6912"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "593 EDDY ST",
"city": "PROVIDENCE",
"state": "RI",
"postal_code": "029034923",
"telephone_number": "401-444-3565",
"fax_number": "401-444-5493"
}
],
"practiceLocations": [
{
"address_1": "245 Chapman St Ste 300",
"address_purpose": "LOCATION",
"city": "Providence",
"state": "RI",
"postal_code": "029054539",
"country_code": "US",
"telephone_number": "401-444-5280",
"fax_number": "401-444-4480",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "NTELIS",
"first_name": "SPYRIDON",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2021-08-05",
"last_updated": "2026-07-10",
"certification_date": "2026-07-10",
"status": "A"
},
"taxonomies": [
{
"code": "207RE0101X",
"taxonomy_group": "",
"desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
"state": "RI",
"license": "MD21293",
"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 Jul 10, 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.