Kathryn Hess Libby
NPI 1689109423ActiveIndividual· Internal Medicine, Pulmonary Disease· South Portland, ME
Internal Medicine, Pulmonary Disease with Mainehealth and 2 other groups, practicing in South Portland, Maine. Their prescriptions cost Medicare Part D more than their services did: $67,200 for 217 claims, against $12,100 paid for services in 2024. Intuitive Surgical, Inc. was the largest of 2 companies reporting payments in 2025, $175.43 in all, mostly food and beverage. Lists Mainehealth Franklin Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1689109423 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | May 1, 2017 |
| Last updated in NPPES | Jun 27, 2024 |
| Certified by provider | Jun 27, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | MD27841 | ME |
| Internal Medicine, Critical Care Medicine | 207RC0200X | MD27841 | ME |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (ME); Practitioner - Internal Medicine (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 61 |
|---|---|
| Services billed | 113 across 26 procedure codes |
| Paid by Medicare | $12,100 |
Part D prescriptions in 2024
| Prescriptions (claims) | 217 · 272 30-day fills |
|---|---|
| Patients | 60 |
| Total drug cost | $67,200 |
| Generic share | 56% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- MainehealthPortland, ME · 2,633 clinicians
- Mercy HospitalPortland, ME · 301 clinicians
- Chest Medicine Associates PASouth Portland, ME · 30 clinicians
Hospital affiliations
- Mainehealth Franklin HospitalFarmington, ME
- Mainehealth Maine Medical CenterPortland, ME
- Memorial Hospital, theNorth Conway, NH
- Northern Light Mercy HospitalPortland, ME
Industry payments (Open Payments)
- 2025$175.43 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $156.07 | 2 |
| ICU Medical Inc | $19.36 | 1 |
What the 2025 payments were for
- Food and Beverage$175.43 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other pulmonologists in South Portland
- 1154596997
- 1235499237
- 1497972723
- 1508246620
- 1568460640
- 1598868747
- 1649430893
- 1659504751
- 1811931876
- 1043313356
- 1093210171
- 1194189753
All 26 pulmonologists in South Portland · All pulmonologists in Maine