Lauren Vassiliades
NPI 1023503885 · Diagnostic Radiology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lauren Vassiliades is a Diagnostic Radiology Physician provider in Chicago, IL (NPI 1023503885).
Provider details
- NPI number
- 1023503885
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 125072810 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
674 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Screening Mammography77067 | 118 | $37 |
| Screening 3d Breast Mammography77063 | 115 | $29 |
| Diagnostic Digital Breast Tomosynthesis, Unilateral Or Bilateral (list Separately in Addition to 77065 Or 77066)G0279 | 63 | $29 |
| Screening Mammography77067 | 61 | $47 |
| Screening 3d Breast Mammography77063 | 58 | $31 |
| X-Ray of Chest, 1 View71045 | 47 | $9 |
Practice location
Mailing address
Additional practice locations (1)
- Weiss Memorial Hospital, Medical Education Dpt.4646 N. Marine Drive, C Elevators, 7th Flr. # 7100Chicago, IL 60640Phone: (773) 564-5225
Registry dates
- Enumerated
- 2018-06-25
- Last updated
- 2023-10-31
- Certified
- 2023-10-31
Frequently asked questions
- What is Lauren Vassiliades's NPI number?
- Lauren Vassiliades's National Provider Identifier (NPI) is 1023503885, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lauren Vassiliades's specialty?
- Lauren Vassiliades is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Lauren Vassiliades located?
- Lauren Vassiliades's practice location on file with NPPES is 250 E Superior St Ste 4-2304, Chicago, IL 60611-2914.
- What is Lauren Vassiliades's phone number?
- The practice phone number listed in the NPPES registry for Lauren Vassiliades is (312) 695-5753.
- Does Lauren Vassiliades accept Medicare?
- Lauren Vassiliades is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lauren Vassiliades's NPI active?
- Yes — Lauren Vassiliades's NPI (1023503885) is active in the NPPES registry as of the last update on 2023-10-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.