Thomas I. Knox, MD
Cardiovascular Disease Physician · West Hartford, CT
Thomas I. Knox, MD is a cardiovascular disease physician with a practice address in West Hartford, Connecticut, and NPI 1609838218, issued on Apr 6, 2006. Check the license (Connecticut 037021, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Thomas I. Knox
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 037021 CT
Self-reported in NPPES; status is on the state search - Practice location
- 345 N Main St FL 1, West Hartford, CT 06117
- Phone
- (860) 547-1489
- Enumerated
- Apr 6, 2006
- Record last updated
- Aug 4, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (860) 548-9105
- Medicaid ID
- 001370212 CT
- Medicare enrollment
- Enrolled (PECOS I20050408000601); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 503 in Connecticut → Look up another NPI →
Also registered at 345 N Main St FL 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charles Philip, D.O.Cardiovascular Disease Physician1255525754
- Donald Ruffett, MDCardiovascular Disease Physician1093762031
Verify Thomas I. Knox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 037021Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% more Medicare Part D claims than the average cardiovascular disease physician in 2024
4,275 Medicare Part D claims for 459 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 97 claims were for opioids.
Most prescribed
- Metoprolol Succinate306 claims
- Atorvastatin Calcium273 claims
- Amlodipine Besylate255 claims
- Losartan Potassium250 claims
- Xarelto212 claims
- Clopidogrel200 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: $1,552.25
62 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 16,686 providers of this specialty with any payment received $3,819.56 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 2 group practices
- Eastern Connecticut Cardiology Associates LLCManchester, CT
- Trinity Health OF New England Provider Network Organization IncHartford, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas I. Knox among 503 cardiovascular disease physician records in Connecticut
Thomas I. Knox, MD is one of 503 cardiovascular disease physician records with a practice address in Connecticut. 83% 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 23% of them.
- NPI issued2006 · 23% of these records are older, 45% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1996 · median 2000 among the 348 with a school on file
- Record last updated2014 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Connecticut
There are 503 cardiovascular disease physician records in Connecticut.
All 503 in Connecticut → Every provider in West Hartford → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Steven Goldblatt, M.D.West Hartford, CT 061171871530899
- Charles Philip, D.O.West Hartford, CT 061171255525754
- Donald Ruffett, MDWest Hartford, CT 061171093762031
- David Henry, M.D.Hartford, CT 061121134146574
- Kyla D'Angelo, D.O.Wethersfield, CT 061091669899829
- Ahmed Elwan, MD, RPVIWethersfield, CT 061091346575602
- Carol Gemayel-Barra, MDWethersfield, CT 061091861591885
- Komsu Mamuya, MDWethersfield, CT 061091073588695
Common questions
What is Thomas I. Knox, MD's NPI number?
Thomas I. Knox, MD's National Provider Identifier (NPI) is 1609838218, issued on Apr 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas I. Knox, MD located?
The NPPES record lists a practice address at 345 N Main St FL 1, West Hartford, CT, 06117. Phone: (860) 547-1489. Providers update this record themselves, so call before visiting.
How can I verify Thomas I. Knox, MD's license?
NPPES lists Connecticut license number 037021, 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 I. Knox, MD prescribe under Medicare Part D?
In 2024, Thomas I. Knox, MD had 4,275 Medicare Part D claims for 459 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.