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DR. SPYRIDON NTELIS MD
NPI 1437823275
Internal Medicine - Endocrinology, Diabetes & Metabolism in Providence, RI

Active since August 05, 2021PECOS EnrolledAccepts Medicare Assignment
593 EDDY ST, PROVIDENCE, RI 02903(401) 444-3565(401) 444-5493 Get Directions Write a Review

NPPES record last updated: July 10, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 10, 2026, Jun 10, 2024, Aug 5, 2021 (3 updates tracked since 2021).

About Dr. Spyridon Ntelis Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SPYRIDON NTELIS MD (NPI 1437823275) is an individual endocrinology, diabetes & metabolism provider in Providence, Rhode Island, licensed in Rhode Island (MD21293) and active in the NPI registry since August 2021. He is enrolled in Medicare PECOS, is affiliated with Rhode Island Hospital, and maintains a secondary practice location in Providence.

NPPES Registry Identity

NPI1437823275
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. SPYRIDON NTELISCredential: MD
Location Address593 EDDY STProvidence, RI 02903-4923
Mailing Address15 Lasalle SquareProvidence, RI 02903-1814 · (401) 444-2369 · Fax (401) 444-6912
Phone(401) 444-3565
Fax(401) 444-5493
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateAugust 5, 2021
Last NPPES UpdateJuly 10, 20263 updates tracked since enumeration
NPPES CertifiedJuly 10, 2026
✔ NPI 1437823275 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in RI · MD21293
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
593 EDDY ST, Providence, RI 02903
Open in Google Maps ↗

Secondary Practice Location 1

Location 1245 Chapman St Ste 300Providence, RI 02905-4539 · Phone (401) 444-5280 · Fax (401) 444-4480

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Spyridon Ntelis Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4183198773
PECOS Enrollment IDI20260706001181
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Spyridon Ntelis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lifespan Physician Group, Inc.
Same address
General Practice
593 EDDY ST
Providence, RI 02903
  • Reassigned Medicare billing, Rhode Island enrollment
  • 1,372 clinicians in this Medicare group
NPI 1407116643 (401) 444-6779
Rhode Island Hospital
Same address
Multi-Specialty
593 EDDY ST
Providence, RI 02903
  • Reassigned Medicare billing, Rhode Island enrollment
  • 358 clinicians in this Medicare group
NPI 1154537520 (401) 444-6905

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Rhode Island Hospital

Acute Care Hospitals · Providence, RI
3/5 CMS rating
OwnershipTribal
CMS Certification Number410007
Location593 Eddy StreetProvidence, RI 02903 · Providence County
Emergency services

The Miriam Hospital

Acute Care Hospitals · Providence, RI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number410012
Location164 Summit AvenueProvidence, RI 02906 · Providence County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02903 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.17 typical visit price
range $58.57 – $177.03
Typical copayment $33.54 (range $14.64 – $44.25)
Most-billed visit code 99204
Established Patient
$103.10 typical visit price
range $18.92 – $144.38
Typical copayment $25.77 (range $4.73 – $36.09)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. KEITH-AUSTIN SCARFO D.O.
Anesthesiology
593 EDDY ST, APC 6
PROVIDENCE, RI 02903
Providence County (401) 444-3777
AILEEN HSUEH
Surgery
593 EDDY ST
PROVIDENCE, RI 02903
Providence County (401) 444-8450
RHODE ISLAND HOSPITAL
General Acute Care Hospital
593 EDDY ST, MAIN 4
PROVIDENCE, RI 02903
Providence County (401) 444-7585
DR. GA HIE NAM M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
593 EDDY ST
PROVIDENCE, RI 02903
Providence County (401) 444-5057
EUGENIE ATALLAH
Psychiatry & Neurology (Neurology)
593 EDDY ST
PROVIDENCE, RI 02903
Providence County (401) 606-2645
BRET CAULFIELD
Physician Assistant
593 EDDY ST
PROVIDENCE, RI 02903
Providence County (401) 444-4000
JUNG HO GONG
Student in an Organized Health Care Education/Training Program
593 EDDY ST
PROVIDENCE, RI 02903
Providence County (401) 793-2695
FANNY HUANG MD
Student in an Organized Health Care Education/Training Program
593 EDDY ST
PROVIDENCE, RI 02903
Providence County (401) 444-4741

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Spyridon Ntelis's NPI number?

The NPI number for Spyridon Ntelis is 1437823275. It was assigned to this individual provider in the NPPES registry on August 5, 2021.

Where is Spyridon Ntelis located?

Spyridon Ntelis practices at 593 Eddy St, Providence, RI 02903. The listed phone number is (401) 444-3565.

What is Spyridon Ntelis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Spyridon Ntelis enrolled in Medicare?

Yes. Spyridon Ntelis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Spyridon Ntelis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Spyridon Ntelis reassigns Medicare benefits to 2 organizations: Lifespan Physician Group, Inc. (Providence, RI) and Rhode Island Hospital (Providence, RI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Spyridon Ntelis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Spyridon Ntelis affiliated with any hospitals?

According to CMS data, Spyridon Ntelis is affiliated with Rhode Island Hospital and The Miriam Hospital.

When was this NPI record last updated?

The NPPES record for Spyridon Ntelis was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.