Lawrence Kogan, MD
Gastroenterology Physician · Meriden, CT
Lawrence Kogan, MD is a gastroenterology physician with a practice address in Meriden, Connecticut, and NPI 1659931368, issued on Jun 14, 2019. Check the license (Connecticut 81085, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Lawrence Kogan
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 81085 CT
Self-reported in NPPES; status is on the state search - Practice location
- 435 Lewis Ave Ste 200, Meriden, CT 06451
- Phone
- (203) 626-6250
- Enumerated
- Jun 14, 2019
- Record last updated
- Oct 24, 2025
- Medicare enrollment
- Enrolled (PECOS I20250709002537); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 336 in Connecticut → Look up another NPI →
Verify Lawrence Kogan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 81085Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average gastroenterology physician in 2024
96 Medicare Part D claims for 37 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole17 claims
- Pantoprazole Sodium14 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: $125.35
1 payment: 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
- Connecticut GI PLLCWallingford, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lawrence Kogan among 336 gastroenterology physician records in Connecticut
Lawrence Kogan, MD 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 2019, is newer than 96% of them.
- NPI issued2019 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2019 · median 2001 among the 255 with a school on file
- Record last updated2025 · 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).
9 gastroenterology physician records list a practice address in Meriden
They are 9 of the 897 NPPES records with a practice address in Meriden, and 336 gastroenterology physician records in Connecticut.
All 336 in Connecticut → Every provider in Meriden → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Madhavi Bhoomagoud, MDMeriden, CT 064511265669089
- Gary Cohen, M.D.Meriden, CT 064511093738197
- Janet Dickinson, MDMeriden, CT 064511942295449
- Jon Ernstoff, M.D.Meriden, CT 064511598789653
- Kevin Jo, M.D.Meriden, CT 064511003823683
- Douglas Miller, M.D.Meriden, CT 064511326062464
- Housein Wazaz, M.D.Meriden, CT 064511629077714
- Jonathan White, M.D.Meriden, CT 064511598893224
Common questions
What is Lawrence Kogan, MD's NPI number?
Lawrence Kogan, MD's National Provider Identifier (NPI) is 1659931368, issued on Jun 14, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Lawrence Kogan, MD located?
The NPPES record lists a practice address at 435 Lewis Ave Ste 200, Meriden, CT, 06451. Phone: (203) 626-6250. Providers update this record themselves, so call before visiting.
How can I verify Lawrence Kogan, MD's license?
NPPES lists Connecticut license number 81085, 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 Lawrence Kogan, MD prescribe under Medicare Part D?
In 2024, Lawrence Kogan, MD had 96 Medicare Part D claims for 37 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.