Nicholas Spero, MD
NPI 1811575947 · Diagnostic Radiology Physician · Chicago, IL
Nicholas Spero, MD is a Diagnostic Radiology Physician provider in Chicago, IL (NPI 1811575947).
Provider details
- NPI number
- 1811575947
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 125.078250 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2021-03-30
- Last updated
- 2022-06-30
- Certified
- 2022-06-30
Frequently asked questions
- What is Nicholas Spero's NPI number?
- Nicholas Spero's National Provider Identifier (NPI) is 1811575947, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Spero's specialty?
- Nicholas Spero is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Spero located?
- Nicholas Spero's practice location on file with NPPES is 3134 N Clark St, Chicago, IL 60657-4414.
- What is Nicholas Spero's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Spero is (312) 766-4949.
- Is Nicholas Spero's NPI active?
- Yes — Nicholas Spero's NPI (1811575947) is active in the NPPES registry as of the last update on 2022-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.