Thomas Patrick Whelan, M.D..
Gastroenterology Physician · Bethel, CT
Thomas Patrick Whelan, M.D.. is a gastroenterology physician with a practice address in Bethel, Connecticut, and NPI 1720043227, issued on Apr 18, 2006. Check the license (Connecticut 029121, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Thomas Patrick Whelan
- Credential
- M.D..
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 029121 CT
Self-reported in NPPES; status is on the state search - Practice location
- 2 Elizabeth St, Bethel, CT 06801
- Phone
- (203) 791-2221
- Enumerated
- Apr 18, 2006
- Record last updated
- Jun 22, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (203) 791-0682
- Medicaid ID
- 001291210 CT
- Medicare enrollment
- Enrolled (PECOS I20100831000933); accepts Medicare assignment
- Medical or professional school
- University Of Vermont College Of Medicine, 1983
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 336 in Connecticut → Look up another NPI →
Also registered at 2 Elizabeth St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rosanna Chapleau, PA-CMedical Physician Assistant1073650180
- Emmet Ferriter, M.D.Internal Medicine Physician1497199756
- James Finnerty, M.D.Internal Medicine Physician1437154663
- Michelle Foye, MDInternal Medicine Physician1841255221
- Sean McGrade, M.D.Internal Medicine Physician1346205770
- Tran Nguyen, MDFamily Medicine Physician1033616925
Verify Thomas Patrick Whelan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 029121Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% more Medicare Part D claims than the average gastroenterology physician in 2024
1,067 Medicare Part D claims for 355 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole182 claims
- Sod Sulf-Potass Sulf-Mag Sulf104 claims
- Pantoprazole Sodium102 claims
- Linzess51 claims
- Esomeprazole Magnesium44 claims
- Famotidine35 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: $51.43
2 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim 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
- Nuvance Health Medical Practice CT IncDanbury, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Patrick Whelan among 336 gastroenterology physician records in Connecticut
Thomas Patrick Whelan, 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
- Graduated1983 · median 2001 among the 255 with a school on file
- Record last updated2010 · 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 Bethel → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Clifford Appel, M.D.Danbury, CT 068101366436065
- David Barenberg, M.D.Danbury, CT 068101548297633
- Steven Brandwein, M.D.Danbury, CT 068101174542450
- Tyson Collazo, M.D.Danbury, CT 068101801195565
- Scott Estabrook, M.D.Danbury, CT 068101225053051
- Joseph Fiorito, M.D.Danbury, CT 068101730108010
- Gerald Franklin, MDDanbury, CT 068101184658528
- Steven Gorelick, M.D.Danbury, CT 068101972555183
Common questions
What is Thomas Patrick Whelan, M.D..'s NPI number?
Thomas Patrick Whelan, M.D..'s National Provider Identifier (NPI) is 1720043227, issued on Apr 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Patrick Whelan, M.D.. located?
The NPPES record lists a practice address at 2 Elizabeth St, Bethel, CT, 06801. Phone: (203) 791-2221. Providers update this record themselves, so call before visiting.
How can I verify Thomas Patrick Whelan, M.D..'s license?
NPPES lists Connecticut license number 029121, 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 Thomas Patrick Whelan, M.D.. prescribe under Medicare Part D?
In 2024, Thomas Patrick Whelan, M.D.. had 1,067 Medicare Part D claims for 355 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.