Doctor profile · Federal record

Dr. Alexia Koudellou, MD

Gastroenterology Physician (CMS: Gastroenterology) · Tolland, CT

  • NPI 1346278066
  • Accepts Medicare
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Six Fieldstone Commons, Suite D
Tolland, CT 06084
(860) 871-6710
fax (860) 896-4869

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Connecticut #044946

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346278066. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
300
Distinct HCPCS
5
Medicare allowed
$45,279
HCPCS Description Services Patients Avg allowed
45380 Biopsy of large bowel using a flexible endoscope 124 122 $169
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 98 96 $100
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 40 39 $262
43450 Dilation of esophagus 22 22 $42
45378 Diagnostic exam of large bowel using a flexible endoscope 16 16 $191

In context: peer comparison

Among 1 peers in Tolland Gastroenterology Physician, average services per provider: 60. This provider delivers 5.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$761
Transactions
40
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 20 $334.07
Janssen Biotech, INC. 6 $136.89
Takeda Pharmaceuticals U.S.A., INC. 4 $90.22
Genzyme Corporation 3 $68.01
Regeneron Healthcare Solutions, INC. 2 $42.19
Intercept Pharmaceuticals, INC. 2 $31.28
Madrigal Pharmaceuticals 1 $24.41
Pfizer INC. 1 $20.72
Celltrion USA INC. 1 $13.63

By nature of payment

Food and Beverage
$748
Education
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
327
Patients
58
Total drug cost
$26,658
Drug Type Claims Patients Total cost
Omeprazole Generic 117 41 $2,386
Pantoprazole Sodium Generic 58 17 $899
Famotidine Generic 31 0 $371
Lansoprazole Generic 21 0 $3,865
Dexlansoprazole Dr (Dexlansoprazole) Brand 18 0 $6,674
Mesalamine Generic 18 0 $8,421
Lactulose Generic 14 0 $470
Spironolactone Generic 13 0 $58
Sucralfate Generic 13 0 $2,471
Mesalamine ER (Mesalamine) Brand 12 0 $1,019

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexia Koudellou's medical specialty?
Dr. Alexia Koudellou practices Gastroenterology Physician in Tolland, CT.
Where does Dr. Alexia Koudellou practice?
Dr. Alexia Koudellou practices at Six Fieldstone Commons, Tolland, CT 06084. Office phone: 8608716710.
What is Dr. Alexia Koudellou's NPI?
Dr. Alexia Koudellou's National Provider Identifier (NPI) is 1346278066, issued by NPPES.
Does Dr. Alexia Koudellou accept Medicare assignment?
Yes. Dr. Alexia Koudellou accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexia Koudellou commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.