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Daniel Nejak, M.D.
NPI 1487069514 · Emergency Medicine Physician · Oak Lawn, IL
Daniel Nejak, M.D. is a Emergency Medicine Physician provider in Oak Lawn, IL (NPI 1487069514).
Provider details
- NPI number
- 1487069514
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 01078681A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
4440 W 95th St
Oak Lawn, IL 60453
Phone: (708) 684-5375
Fax: (708) 684-1028
Street-level locationGet directions
Mailing address
1212 S Michigan Ave
Chicago, IL 60605-2416
Registry dates
- Enumerated
- 2014-06-27
- Last updated
- 2025-09-11
Frequently asked questions
- What is Daniel Nejak's NPI number?
- Daniel Nejak's National Provider Identifier (NPI) is 1487069514, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Nejak's specialty?
- Daniel Nejak is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Nejak located?
- Daniel Nejak's practice location on file with NPPES is 4440 W 95th St, Oak Lawn, IL 60453.
- What is Daniel Nejak's phone number?
- The practice phone number listed in the NPPES registry for Daniel Nejak is (708) 684-5375.
- Is Daniel Nejak's NPI active?
- Yes — Daniel Nejak's NPI (1487069514) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.