John Nowak, MD
NPI 1306838933 · Emergency Medicine Physician · Downers Grove, IL
John Nowak, MD is a Emergency Medicine Physician provider in Downers Grove, IL (NPI 1306838933).
Provider details
- NPI number
- 1306838933
- Entity type
- Individual
- Primary specialty
- Emergency Medicine 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
- 2005-08-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Nowak's NPI number?
- John Nowak's National Provider Identifier (NPI) is 1306838933, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Nowak's specialty?
- John Nowak is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Nowak located?
- John Nowak's practice location on file with NPPES is 3815 Highland Ave, Downers Grove, IL 60515-1500.
- What is John Nowak's phone number?
- The practice phone number listed in the NPPES registry for John Nowak is (630) 275-5900.
- Is John Nowak's NPI active?
- Yes — John Nowak's NPI (1306838933) 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.