Colin Thomas Swales, MD
NPI 1386621464ActiveIndividual· Internal Medicine· Hartford, CT
Internal Medicine (MD) in Hartford, Connecticut, trained at University of Massachusetts Medical School (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $1,236,796 for 1,488 claims, against $58,774 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 26 companies reporting payments in 2025, $111,691 in all, mostly speaking and faculty fees.
Overview
| NPI | 1386621464 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 29, 2005 |
| Last updated in NPPES | Sep 21, 2026 |
| Certified by provider | Sep 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 048589 | CT |
| Internal Medicine, Transplant Hepatology | 207RT0003X | 048589 | CT |
| Internal Medicine, Gastroenterology | 207RG0100X | 048589 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 327 |
|---|---|
| Services billed | 589 across 45 procedure codes |
| Paid by Medicare | $58,774 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,488 · 2,763 30-day fills |
|---|---|
| Patients | 364 |
| Total drug cost | $1,236,796 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical groups
- Hartford HospitalHartford, CT · 1,044 clinicians
- Connecticut Gi PLLCWallingford, CT · 248 clinicians
Hospital affiliations
- Day Kimball HospitalPutnam, CT
- Hartford HospitalHartford, CT
- Manchester Memorial HospitalManchester, CT
- The Hospital of Central ConnecticutNew Britain, CT
- William W Backus HospitalNorwich, CT
Industry payments (Open Payments)
- 2025$111,691 · 184 payments from 26 companies
- 2024$42,529 · 141 payments from 27 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $65,296 | 40 |
| Ipsen Biopharmaceuticals, Inc | $18,648 | 16 |
| Intercept Pharmaceuticals, Inc. | $18,180 | 23 |
| Astrazeneca Pharmaceuticals LP | $7,323 | 12 |
| Janssen Biotech, Inc. | $513.88 | 15 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$85,527 · 26 payments
- Compensation for serving as faculty or as a speaker for a medical education program$10,800 · 3 payments
- Consulting Fee$6,098 · 2 payments
- Food and Beverage$5,637 · 137 payments
- Travel and Lodging$3,630 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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