Megan Charlene Sisk, D.O.
NPI 1306132279ActiveIndividual· Internal Medicine, Pulmonary Disease· Great Falls, MT
Internal Medicine, Pulmonary Disease (D.O.) in Great Falls, Montana, trained at Kansas City University of Med & Biosciences, College of Osteo Med (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $1,001,973 for 994 claims, against $82,648 paid for services in 2024. Intuitive Surgical, Inc. was the largest of 13 companies reporting payments in 2025, $11,905 in all, mostly education.
Overview
| NPI | 1306132279 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jun 20, 2011 |
| Last updated in NPPES | Feb 2, 2024 |
| Certified by provider | Feb 2, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | DR.0059689 | CO |
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 - Pulmonary Disease (CO); Practitioner - Pulmonary Disease (MT); Practitioner - Internal Medicine (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 397 |
|---|---|
| Services billed | 1,474 across 43 procedure codes |
| Paid by Medicare | $82,648 |
Part D prescriptions in 2024
| Prescriptions (claims) | 994 · 1,270 30-day fills |
|---|---|
| Patients | 236 |
| Total drug cost | $1,001,973 |
| Generic share | 30% of claims |
Education and affiliations
| Medical school | Kansas City University of Med & Biosciences, College of Osteo Med |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Cmsc LLCMacon, GA · 91 clinicians
- Great Falls Clinic LLCGreat Falls, MT · 72 clinicians
Hospital affiliations
- Benefis Hospitals IncGreat Falls, MT
- Central Montana Medical CenterLewistown, MT
- Great Falls Clinic HospitalGreat Falls, MT
- Northern Montana HospitalHavre, MT
- St James HospitalButte, MT
Other facilities
- Stillwater HospiceHospice · Butte, MT
Industry payments (Open Payments)
- 2025$11,905 · 68 payments from 13 companies
- 2024$649.35 · 29 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $11,171 | 31 |
| Astrazeneca Pharmaceuticals LP | $149.93 | 10 |
| Glaxosmithkline, LLC. | $102.75 | 6 |
| Insmed, Inc. | $66.63 | 2 |
| Genentech USA, Inc. | $61.54 | 3 |
What the 2025 payments were for
- Education$5,500 · 3 payments
- Travel and Lodging$5,063 · 17 payments
- Food and Beverage$1,341 · 48 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Pulmonary Disease providers in Montana →