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Michael Marzec, MD
NPI 1205847613 · Internal Medicine Physician · Aurora, IL
Michael Marzec, MD is a Internal Medicine Physician provider in Aurora, IL (NPI 1205847613).
Provider details
- NPI number
- 1205847613
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036-064617 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
2285 Sequoia Dr
Aurora, IL 60506-6209
Phone: (630) 859-6910
Street-level locationGet directions
Mailing address
2357 Sequoia Dr
Aurora, IL 60506-6222
Registry dates
- Enumerated
- 2006-08-10
- Last updated
- 2016-07-11
Frequently asked questions
- What is Michael Marzec's NPI number?
- Michael Marzec's National Provider Identifier (NPI) is 1205847613, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Marzec's specialty?
- Michael Marzec is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Marzec located?
- Michael Marzec's practice location on file with NPPES is 2285 Sequoia Dr, Aurora, IL 60506-6209.
- What is Michael Marzec's phone number?
- The practice phone number listed in the NPPES registry for Michael Marzec is (630) 859-6910.
- Is Michael Marzec's NPI active?
- Yes — Michael Marzec's NPI (1205847613) is active in the NPPES registry as of the last update on 2016-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.