Doctor profile · Federal record

Dr. Ajit Kokkat, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Willimantic, CT

  • NPI 1962438143
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
150 Mansfield Ave
Willimantic, CT 062262026
(860) 423-3299
fax (860) 423-8739

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
October 8, 2015
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Connecticut #043541
Medicaid
CT #001435412

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962438143. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
561
Distinct HCPCS
8
Medicare allowed
$76,626
HCPCS Description Services Patients Avg allowed
45380 Biopsy of large bowel using a flexible endoscope 147 144 $115
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 128 125 $102
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 88 86 $258
99203 New patient office or other outpatient visit, 30-44 minutes 70 70 $117
99214 Established patient office or other outpatient visit, 30-39 minutes 64 63 $135
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 32 29 $135
99213 Established patient office or other outpatient visit, 20-29 minutes 19 19 $95
99202 New patient office or other outpatient visit, 15-29 minutes 13 13 $77

In context: peer comparison

Among 1 peers in this city , average services per provider: 70. This provider delivers 8.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,305
Transactions
67
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 27 $433.27
Phathom Pharmaceuticals, Inc. 8 $263.06
Salix Pharmaceuticals, a division of Bausch Health US, LLC 7 $106.60
Takeda Pharmaceuticals U.S.A., Inc. 5 $104.89
Ardelyx, Inc. 4 $87.96
IRONWOOD PHARMACEUTICALS, INC 4 $84.58
Lilly USA, LLC 3 $69.47
PFIZER INC. 4 $67.45
Janssen Biotech, Inc. 2 $34.93
Gilead Sciences, Inc. 2 $27.64
Celgene Corporation 1 $25.38

By nature of payment

Food and Beverage
$1,305

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,737
Patients
1,161
Total drug cost
$736,878
Drug Type Claims Patients Total cost
Famotidine Generic 672 240 $19,181
Pantoprazole Sodium Generic 650 221 $12,070
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 269 263 $48,167
Dicyclomine Hcl Generic 169 85 $6,543
Sucralfate Generic 158 61 $46,847
Mesalamine Generic 151 48 $104,983
Linzess (Linaclotide) Brand 128 46 $185,681
Omeprazole Generic 117 34 $2,270
Esomeprazole Magnesium Generic 86 19 $5,023
Amitriptyline Hcl Generic 84 30 $1,788

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ajit Kokkat's medical specialty?
Dr. Ajit Kokkat practices Gastroenterology Physician in Willimantic, CT.
Where does Dr. Ajit Kokkat practice?
Dr. Ajit Kokkat practices at 150 Mansfield Ave, Willimantic, CT 062262026. Office phone: 8604233299.
What is Dr. Ajit Kokkat's NPI?
Dr. Ajit Kokkat's National Provider Identifier (NPI) is 1962438143, issued by NPPES.
Does Dr. Ajit Kokkat accept Medicare assignment?
Yes. Dr. Ajit Kokkat accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ajit Kokkat 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.