Barry J. Kemler, M.D.
Gastroenterology Physician · New Britain, CT
Barry J. Kemler, M.D. is a gastroenterology physician with a practice address in New Britain, Connecticut, and NPI 1639177629, issued on Jul 13, 2005. Check the license (Connecticut 22221, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Barry J. Kemler
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 22221 CT
Self-reported in NPPES; status is on the state search - Practice location
- 300 Kensington Ave, New Britain, CT 06051
- Phone
- (860) 224-6249
- Enumerated
- Jul 13, 2005
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (860) 224-6241
- Medicaid IDs
- 001222215 CT
004062394 CT - Medicare enrollment
- Enrolled (PECOS I20110215000351); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1972
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 336 in Connecticut → Look up another NPI →
Also registered at 300 Kensington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ela Banerjee, MDEndocrinology, Diabetes & Metabolism Physician1861856312
- Laura Beveridge, APRNAdult Health Nurse Practitioner1861765281
- Larry Broisman, M.D.Internal Medicine Physician1174525497
Verify Barry J. Kemler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 22221Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average gastroenterology physician in 2024
399 Medicare Part D claims for 278 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.
Most prescribed
- Sutab178 claims
- Famotidine103 claims
- Omeprazole28 claims
- Pantoprazole Sodium20 claims
- Linzess14 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: $91.83
4 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.
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
- Starling Physicians, PLLCAvon, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Barry J. Kemler among 336 gastroenterology physician records in Connecticut
Barry J. Kemler, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1972 · median 2001 among the 255 with a school on file
- Record last updated2007 · 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.
All 336 in Connecticut → Every provider in New Britain → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Eileen Plotkin, M.D.New Britain, CT 060511346565520
- Alexander Potashinsky, MDNew Britain, CT 060511588923502
- Adam Schoenfeld, M.D.New Britain, CT 060511902080278
- Edward Toffolon, M.D.New Britain, CT 060511881689255
- Rosalind Van Stolk, MDNew Britain, CT 060511598746463
- Mark Versland, M.D.New Britain, CT 060511639164775
- Robert Schwartz, M.D.Manchester, CT 060421700861473
- Khadijat Balogun, M.DManchester, CT 060401124310743
Common questions
What is Barry J. Kemler, M.D.'s NPI number?
Barry J. Kemler, M.D.'s National Provider Identifier (NPI) is 1639177629, issued on Jul 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Barry J. Kemler, M.D. located?
The NPPES record lists a practice address at 300 Kensington Ave, New Britain, CT, 06051. Phone: (860) 224-6249. Providers update this record themselves, so call before visiting.
How can I verify Barry J. Kemler, M.D.'s license?
NPPES lists Connecticut license number 22221, 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 Barry J. Kemler, M.D. prescribe under Medicare Part D?
In 2024, Barry J. Kemler, M.D. had 399 Medicare Part D claims for 278 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.