ELDAD S. BIALECKI M.D. – NPI #1003952458
Internal Medicine

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Health Care Provider Taxonomy Code for Internal Medicine

ELDAD BIALECKI is a physician located in O'FALLON, MO. NPPES has assigned the NPI number 1003952458 to ELDAD BIALECKI on January 30, 2007. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 207RG0100X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Gastroenterology

The NPI profile was last updated on Mar 17, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for ELDAD BIALECKI below.

NPI Profile for
ELDAD S. BIALECKI

NPI Number
1003952458
Enumeration Date

(more than 19 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
ELDAD S. BIALECKI
Credentials
M.D.
Primary location
20 PROGRESS POINT PKWY STE 206
O'FALLON, MO 63368-2207
Phone: (636) 344-1073 Fax: (636) 344-1075
1 Other location(s):
70 Jungermann Cir Ste 201
Saint Peters, MO 63376-1619
Phone: (636) 916-9615
Mailing address
PO BOX 959354
SAINT LOUIS, MO 63195-9354
Phone: (636) 344-1073 Fax: (636) 344-1075
Sole Proprietor
No
Updated
Certification Date
Mar 17, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207RG0100X
- Internal Medicine / Gastroenterology (Primary)		 MO 2003013331

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Endpoint

Health Information Exchange (HEI)

HEI is the mobilization of health care information electronically across organizations within a region, community or hospital system. Endpoints provide a simple and secure way for participants to send authenticated, encrypted health information directly to known, trusted recipients over the internet such as primary care physicians, specialists, hospitals, labs, etc.

View All Endpoint(s)
Endpoint
https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2
Endpoint type
FHIR URL
Endpoint Description
BJC
Content Type
CSV
Affiliation
N
Endpoint Location
20 PROGRESS POINT PKWY STE 206,
O FALLON, MO 77025-1669
Endpoint
https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
Endpoint type
FHIR URL
Endpoint Description
BJC
Content Type
CSV
Affiliation
N
Endpoint Location
11155 DUNN RD STE 309E,
SAINT LOUIS, MO 77025-1669

Additional Information

Education
SAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE - Graduated 2007
Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
ELDAD BIALECKI is affiliated with the following medical group(s):
  • HOSPITAL
    • CHRISTIAN HOSPITAL NORTHEAST
      11133 DUNN ROAD
      SAINT LOUIS, MO 63136
    • SSM HEALTH DEPAUL HOSPITAL ST LOUIS
      12303 DEPAUL DRIVE
      BRIDGETON, MO 63044

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.