Catharine M. Cadigan, MD
NPI 1659301679ActiveIndividual· Internal Medicine· Windham, ME
Internal Medicine (MD) in Windham, Maine, trained at Northwestern University Feinberg Medical School (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $34,056 for 526 claims, against $5,810 paid for services in 2024.
Overview
| NPI | 1659301679 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 4, 2006 |
| Last updated in NPPES | Feb 11, 2025 |
| Certified by provider | Feb 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD13920 | ME |
| Internal Medicine | 207R00000X | 036145286C | IL |
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 - Hospitalist (IL); Practitioner - Internal Medicine (ME) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 49 |
|---|---|
| Services billed | 70 across 9 procedure codes |
| Paid by Medicare | $5,810 |
Part D prescriptions in 2024
| Prescriptions (claims) | 526 · 527 30-day fills |
|---|---|
| Patients | 89 |
| Total drug cost | $34,056 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Internal Medicine |
Medical groups
- Infinite Medical PCNeptune, NJ · 122 clinicians
- Vantage Healthcare IncKittery, ME · 3 clinicians
Hospital affiliation
- York HospitalYork, ME
Other facilities
- Affinity Care of Maine, LLCHospice · South Portland, ME
- Compassus - Greater MaineHospice · Scarborough, ME
- Northern Light Home Care & HospiceHospice · South Portland, ME
- Durgin PinesNursing home · Kittery, ME
- Ledgewood ManorNursing home · Windham, ME
- Pinnacle Health & Rehab CantonNursing home · Canton, ME
- Pinnacle Health & Rehab at N BerwickNursing home · North Berwick, ME
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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