Steven Marciniak, MD
NPI 1205813813 · Sports Medicine (Orthopaedic Surgery) Physician · Aurora, IL
Steven Marciniak, MD is a Sports Medicine (Orthopaedic Surgery) Physician provider in Aurora, IL (NPI 1205813813).
Provider details
- NPI number
- 1205813813
- Entity type
- Individual
- Primary specialty
- Sports Medicine (Orthopaedic Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036097420 (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 tenure38% of score
20 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
- 2005-12-23
- Last updated
- 2019-05-29
Frequently asked questions
- What is Steven Marciniak's NPI number?
- Steven Marciniak's National Provider Identifier (NPI) is 1205813813, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Marciniak's specialty?
- Steven Marciniak is listed in the NPPES registry with a primary specialty of Sports Medicine (Orthopaedic Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Marciniak located?
- Steven Marciniak's practice location on file with NPPES is 2111 Ogden Ave, Aurora, IL 60504-7597.
- What is Steven Marciniak's phone number?
- The practice phone number listed in the NPPES registry for Steven Marciniak is (630) 978-3800.
- Is Steven Marciniak's NPI active?
- Yes — Steven Marciniak's NPI (1205813813) is active in the NPPES registry as of the last update on 2019-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.