NPPES file of Aug 9, 2026

Ajit J. Kokkat, M.D.

Gastroenterology Physician · Willimantic, CT

Ajit J. Kokkat, M.D. is a gastroenterology physician with a practice address in Willimantic, Connecticut, and NPI 1962438143, issued on Jun 23, 2006. Check the license (Connecticut 043541, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962438143
Name
Ajit J. Kokkat
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
043541 CT
Self-reported in NPPES; status is on the state search
Practice location
150 Mansfield Ave, Willimantic, CT 06226
Phone
(860) 423-3299
Enumerated
Jun 23, 2006
Record last updated
Oct 8, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(860) 423-8739
Medicaid ID
001435412 CT
Medicare enrollment
Enrolled (PECOS I20051021000425); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 150 Mansfield Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jeanne Abrahamian, OTOccupational Therapist1336441161
  2. Julie Bousquet, OTOccupational Therapist1780614313
  3. Janice Bryant, PTPhysical Therapist1851335244
  4. Holly Desmarais, NP-CFamily Nurse Practitioner1235533415
  5. Erica ForsythePediatric Nurse Practitioner1740695766
  6. Jennifer Iacampo, PTPhysical Therapist1225221724

Verify Ajit J. Kokkat in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 043541
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

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5.5 times the Medicare Part D claims of the average gastroenterology physician in 2024

4,467 Medicare Part D claims for 1,286 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Ajit Kokkat4,467
  2. Specialty average811

Most prescribed

  1. Famotidine999 claims
  2. Pantoprazole Sodium938 claims
  3. Clenpiq338 claims
  4. Sucralfate264 claims
  5. Mesalamine202 claims
  6. Dicyclomine Hcl194 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $1,305.23

67 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ajit Kokkat$1,305.23
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Connecticut GI PLLCHartford, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ajit J. Kokkat among 336 gastroenterology physician records in Connecticut

Ajit J. Kokkat, M.D. is one of 336 gastroenterology physician records with a practice address in Connecticut. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.

  • NPI issued2006 · 15% of these records are older, 49% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated1996 · median 2001 among the 255 with a school on file
  • Record last updated2015 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Connecticut

There are 336 gastroenterology physician records in Connecticut.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Adel Muhanna, MDWillimantic, CT 062261154986461
  2. Steven Stein, M.D.Mansfield Center, CT 062501962442038
  3. Mical Campbell, MDNew London, CT 063201083628770
  4. John Frese, M.D.New London, CT 063201457316382
  5. Amzad Khan, M.D.New London, CT 063201790945996
  6. John Madsen, M.D.New London, CT 063201144286667
  7. Eugene Sapozhnikov, M.D.New London, CT 063201164488094
  8. Kofi Atta-Mensah, M.D.Hartford, CT 061121871519264

Common questions

What is Ajit J. Kokkat, M.D.'s NPI number?

Ajit J. Kokkat, M.D.'s National Provider Identifier (NPI) is 1962438143, issued on Jun 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ajit J. Kokkat, M.D. located?

The NPPES record lists a practice address at 150 Mansfield Ave, Willimantic, CT, 06226. Phone: (860) 423-3299. Providers update this record themselves, so call before visiting.

How can I verify Ajit J. Kokkat, M.D.'s license?

NPPES lists Connecticut license number 043541, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ajit J. Kokkat, M.D. prescribe under Medicare Part D?

In 2024, Ajit J. Kokkat, M.D. had 4,467 Medicare Part D claims for 1,286 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.