Steven Papagiannopoulos, MD
NPI 1689625063 · Diagnostic Radiology Physician · Naperville, IL
Enrolled with Medicare as Order and Referring Only - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Papagiannopoulos, MD is a Diagnostic Radiology Physician provider in Naperville, IL (NPI 1689625063).
Provider details
- NPI number
- 1689625063
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Steven Papagiannopoulos's NPI number?
- Steven Papagiannopoulos's National Provider Identifier (NPI) is 1689625063, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Papagiannopoulos's specialty?
- Steven Papagiannopoulos is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Papagiannopoulos located?
- Steven Papagiannopoulos's practice location on file with NPPES is 801 S Washington St, Naperville, IL 60540-7430.
- What is Steven Papagiannopoulos's phone number?
- The practice phone number listed in the NPPES registry for Steven Papagiannopoulos is (630) 321-2705.
- Does Steven Papagiannopoulos accept Medicare?
- Steven Papagiannopoulos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Papagiannopoulos's NPI active?
- Yes — Steven Papagiannopoulos's NPI (1689625063) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.