Thomas Knox, MD
NPI 1609838218 · Cardiovascular Disease Physician · West Hartford, CT
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Knox, MD is a Cardiovascular Disease Physician provider in West Hartford, CT (NPI 1609838218).
Provider details
- NPI number
- 1609838218
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 037021 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,945 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 799 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 164 | $68 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 164 | $132 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 116 | $80 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 86 | $95 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 62 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 306 | 84 |
| Atorvastatin Calcium | 273 | 85 |
| Amlodipine Besylate | 255 | 67 |
| Losartan Potassium | 250 | 60 |
| Rivaroxabanbrand: Xarelto | 212 | 44 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 200 | 51 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,552 across 62 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-06
- Last updated
- 2014-08-04
Frequently asked questions
- What is Thomas Knox's NPI number?
- Thomas Knox's National Provider Identifier (NPI) is 1609838218, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Knox's specialty?
- Thomas Knox is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Knox located?
- Thomas Knox's practice location on file with NPPES is 345 N Main St Fl 1, West Hartford, CT 06117-2515.
- What is Thomas Knox's phone number?
- The practice phone number listed in the NPPES registry for Thomas Knox is (860) 547-1489.
- Does Thomas Knox accept Medicare?
- Thomas Knox is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Knox's NPI active?
- Yes — Thomas Knox's NPI (1609838218) is active in the NPPES registry as of the last update on 2014-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.