Doctor profile · Federal record

Dr. Eldad Bialecki, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · O Fallon, MO

  • NPI 1003952458
  • Accepts Medicare
  • MIPS 62.3 / 100 · 2023
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
20 Progress Point Pkwy Ste 206
O Fallon, MO 633682207
(636) 344-1073
fax (636) 344-1075
Additional location
70 Jungermann Cir Ste 201
Saint Peters, MO 633761619
(636) 916-9615
Mailing address
Po Box 959354
Saint Louis, MO 631959354

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
March 17, 2026
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Missouri #2003013331

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003952458. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
490
Distinct HCPCS
10
Medicare allowed
$59,516
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 81 49 $77
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 60 60 $244
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 51 51 $114
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 47 47 $127
45380 Biopsy of large bowel using a flexible endoscope 37 37 $150
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 37 11 $62
99213 Established patient office or other outpatient visit, 20-29 minutes 36 35 $88
99214 Established patient office or other outpatient visit, 30-39 minutes 29 25 $121
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 22 22 $177
43450 Dilation of esophagus 19 18 $39

In context: peer comparison

Among 3 peers in O Fallon Gastroenterology Physician, average services per provider: 43. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,013
Transactions
165
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 43 $777.40
Janssen Biotech, INC. 17 $394.57
Takeda Pharmaceuticals U.S.A., INC. 23 $300.71
Pfizer INC. 17 $285.29
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 12 $233.88
Regeneron Healthcare Solutions, INC. 8 $176.19
Gilead Sciences, INC. 12 $134.72
Qol Medical, LLC 5 $103.14
Aimmune Therapeutics, INC. 6 $96.81
Intercept Pharmaceuticals, INC. 5 $91.02
Celgene Corporation 5 $90.30
Lilly USA, LLC 4 $86.37
Ironwood Pharmaceuticals, INC 4 $75.52
Genzyme Corporation 2 $49.00
CapsoVision, INC. 2 $30.14

By nature of payment

Food and Beverage
$3,013

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,342
Patients
720
Total drug cost
$99,566
Drug Type Claims Patients Total cost
Famotidine Generic 212 80 $3,241
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 186 181 $2,916
Omeprazole Generic 185 87 $2,274
Pantoprazole Sodium Generic 149 64 $2,886
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 136 136 $10,970
Sucralfate Generic 80 39 $3,833
Colestipol Hcl Generic 66 28 $7,492
Dicyclomine Hcl Generic 64 22 $1,089
Linzess (Linaclotide) Brand 59 13 $40,142
Alprazolam Generic 43 0 $141

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Eldad Bialecki's medical specialty?
Dr. Eldad Bialecki practices Gastroenterology Physician in O Fallon, MO.
Where does Dr. Eldad Bialecki practice?
Dr. Eldad Bialecki practices at 20 Progress Point Pkwy Ste 206, O Fallon, MO 633682207. Office phone: 6363441073.
What is Dr. Eldad Bialecki's NPI?
Dr. Eldad Bialecki's National Provider Identifier (NPI) is 1003952458, issued by NPPES.
Does Dr. Eldad Bialecki accept Medicare assignment?
Yes. Dr. Eldad Bialecki accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Eldad Bialecki commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.