Maria Janecek, D.O.
NPI 1396826400 · Pediatrics Physician · Downers Grove, IL
Maria Janecek, D.O. is a Pediatrics Physician provider in Downers Grove, IL (NPI 1396826400).
Provider details
- NPI number
- 1396826400
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 036-103654 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$205 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-17
- Last updated
- 2009-11-17
Frequently asked questions
- What is Maria Janecek's NPI number?
- Maria Janecek's National Provider Identifier (NPI) is 1396826400, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Janecek's specialty?
- Maria Janecek is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Janecek located?
- Maria Janecek's practice location on file with NPPES is 6840 S. Main Street, Downers Grove, IL 60516-3493.
- What is Maria Janecek's phone number?
- The practice phone number listed in the NPPES registry for Maria Janecek is (630) 852-4551.
- Is Maria Janecek's NPI active?
- Yes — Maria Janecek's NPI (1396826400) is active in the NPPES registry as of the last update on 2009-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.