Quick answers
- Which hospitals does Liam Gannon work at?
- Medicare's official clinician data lists Liam Gannon at 5 hospitals: Cottage Hospital, Hamilton Memorial Hospital, Marshall Browning Hospital, McKenzie County Healthcare Systems Inc and Thomas H Boyd Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Liam Gannon see patients?
- Medicare's clinician data lists 4 practice locations, including Williston, VT, Mc Leansboro, IL and Carrollton, IL. Call before your visit to confirm the address.
- What is Liam Gannon's specialty?
- Medicare lists Hospitalist as the primary specialty, and also Family Practice.
- Does Liam Gannon accept Medicare assignment?
- Yes. Medicare's clinician data says Liam Gannon accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Liam Gannon offer telehealth?
- Medicare's clinician data says Liam Gannon offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Liam Gannon?
- (240) 693-3281, as listed in official Medicare / NPI Registry data.
- What is Liam Gannon's NPI number?
- 1780648691. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Liam Gannon works
Medicare's Facility Affiliation Data lists Liam Gannon at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cottage HospitalWoodsville, NH · Critical Access Hospital · CCN 301301
- Hamilton Memorial HospitalMcLeansboro, IL · Critical Access Hospital · CCN 141326
- Marshall Browning HospitalDu Quoin, IL · Critical Access Hospital · CCN 141331
- McKenzie County Healthcare Systems IncWatford City, ND · Critical Access Hospital · CCN 351302
- Thomas H Boyd Memorial HospitalCarrollton, IL · Critical Access Hospital · CCN 141300
Practice locations
Addresses where Liam Gannon is enrolled with Medicare (CMS data updated 2026-10-02).
- 1375 Maple Tree Pl, Suite 1103Williston, VT 05495 (240) 693‑3281
- 611 S Marshall AveMc Leansboro, IL 62859 (618) 643‑2361
- 800 School StCarrollton, IL 62016 (217) 942‑6946
- 900 N Washington StDu Quoin, IL 62832 (618) 542‑2146
Group practices
Medicare enrollment lists Liam Gannon as a member of these groups (CMS data updated 2026-10-02).
- Solace Health Medical Group Inc127 clinicians in the group
- Integritas Emergency Physician Services LLC40 clinicians in the group
- Thomas H Boyd Memorial Hospital32 clinicians in the group
Specialties
- Hospitalistprimary
- Family Practicealso
Other hospitalists in Vermont
Clinicians with the same Medicare primary specialty in Vermont — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Saint Louis University School Of Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1780648691 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians