Subin G. Chirayath, DO
Gastroenterology Physician · Norwalk, CT
Subin G. Chirayath, DO is a gastroenterology physician with a practice address in Norwalk, Connecticut, and NPI 1518525336, issued on Jun 5, 2019. Check the license (Connecticut 86032, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Subin G. Chirayath
- Credential
- DO
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 86032 CT
Self-reported in NPPES; status is on the state search - Practice location
- 34 Maple St, Norwalk, CT 06850
- Phone
- (203) 852-2000
- Enumerated
- Jun 5, 2019
- Record last updated
- Jul 14, 2026
- Medicare enrollment
- Enrolled (PECOS I20250618002438); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 2019
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 336 in Connecticut → Look up another NPI →
Also registered at 34 Maple St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Muhammad Aamir, MDStudent in an Organized Health Care Education/Training Program1184411332
- Alexander Abadir, MDGastroenterology Physician1811429699
- Erica Acevedo, PA-CPhysician Assistant1093289936
- Bradley Acott, M.D.Student in an Organized Health Care Education/Training Program1689360836
- Laura Aguilar FrancoStudent in an Organized Health Care Education/Training Program1053248237
- Wasin Ahuja, M.D.Hospitalist Physician1932584588
Verify Subin G. Chirayath in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 86032Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average gastroenterology physician in 2024
283 Medicare Part D claims for 110 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Omeprazole78 claims
- Pantoprazole Sodium52 claims
- Gavilyte-G22 claims
- Spironolactone21 claims
- Famotidine14 claims
- Esomeprazole Magnesium12 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: $169.18
3 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, 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
- Umass Memorial Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Subin G. Chirayath among 336 gastroenterology physician records in Connecticut
Subin G. Chirayath, DO 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 updated2026 · 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 Norwalk → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Alexander Abadir, MDNorwalk, CT 068501811429699
- Carlos Figueredo Alcala, MDNorwalk, CT 068501699252023
- William Hale, MDNorwalk, CT 068501598736936
- Reid Hopkins, M.D.Norwalk, CT 068501598102626
- Rakhee Mangla, M.D.Norwalk, CT 068501821146192
- Charles Adelmann, M.D.Norwalk, CT 068511861436511
- Harvey Riback, M.D.Norwalk, CT 068511225148281
- Frank Sammarco, M.D.Norwalk, CT 068511407953920
Common questions
What is Subin G. Chirayath, DO's NPI number?
Subin G. Chirayath, DO's National Provider Identifier (NPI) is 1518525336, issued on Jun 5, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Subin G. Chirayath, DO located?
The NPPES record lists a practice address at 34 Maple St, Norwalk, CT, 06850. Phone: (203) 852-2000. Providers update this record themselves, so call before visiting.
How can I verify Subin G. Chirayath, DO's license?
NPPES lists Connecticut license number 86032, 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 Subin G. Chirayath, DO prescribe under Medicare Part D?
In 2024, Subin G. Chirayath, DO had 283 Medicare Part D claims for 110 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.