Quick answers
- Which hospitals does Ling Twohig work at?
- Medicare's official clinician data lists Ling Twohig at 5 hospitals: Baptist Health Floyd, Marshfield Medical Center, Marshfield Medical Center - Weston, Northwest Health - Porter and St Mary's Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ling Twohig see patients?
- Medicare's clinician data lists 5 practice locations, including Marshfield, WI, New Albany, IN and Weston, WI. Call before your visit to confirm the address.
- What is Ling Twohig's specialty?
- Medicare lists Interventional Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology) and Internal Medicine.
- Does Ling Twohig accept Medicare assignment?
- Yes. Medicare's clinician data says Ling Twohig 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.
- What is the phone number for Ling Twohig?
- (715) 387-5511, as listed in official Medicare / NPI Registry data.
- What is Ling Twohig's NPI number?
- 1750523684. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ling Twohig works
Medicare's Facility Affiliation Data lists Ling Twohig at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baptist Health FloydNew Albany, IN · Acute Care Hospital · CCN 150044
- Marshfield Medical CenterMarshfield, WI · Acute Care Hospital · CCN 520037
- Marshfield Medical Center - WestonWeston, WI · Acute Care Hospital · CCN 520202
- Northwest Health - PorterValparaiso, IN · Acute Care Hospital · CCN 150035
- St Mary's Medical CenterBlue Springs, MO · Acute Care Hospital · CCN 260193
Practice locations
Addresses where Ling Twohig is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 N Oak AveMarshfield, WI 54449 (715) 387‑5511
- 1850 State StNew Albany, IN 47150 (812) 542‑4921
- 2109 Green Valley RdNew Albany, IN 47150 (812) 948‑2232
- 3400 Ministry PkwyWeston, WI 54476 (715) 393‑1000
- 650 Dickinson RdChesterton, IN 46304
Group practices
Medicare enrollment lists Ling Twohig as a member of these groups (CMS data updated 2026-10-02).
- Baptist Health Medical Group Inc2,472 clinicians in the group
- MCHS Hospitals Inc1,197 clinicians in the group
- Porter Physician Services LLC99 clinicians in the group
Specialties
Other interventional cardiologists in Marshfield
Clinicians with the same Medicare primary specialty in Marshfield, WI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Touro Un College Of Osteopathic Medicine, Vallejo |
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1750523684 |
| 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