Quick answers
- Which hospitals does Anthony M. Abraham work at?
- Medicare's official clinician data lists Anthony M. Abraham at 2 hospitals: MercyOne North Iowa Medical Center and Riverside Shore Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Anthony M. Abraham see patients?
- Medicare's clinician data lists 3 practice locations, including Mason City, IA, Onancock, VA and Forest City, IA. Call before your visit to confirm the address.
- What is Anthony M. Abraham's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Anthony M. Abraham accept Medicare assignment?
- Yes. Medicare's clinician data says Anthony M. Abraham 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 Anthony M. Abraham?
- (757) 302-2700, as listed in official Medicare / NPI Registry data.
- What is Anthony M. Abraham's NPI number?
- 1336474535. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Anthony M. Abraham works
Medicare's Facility Affiliation Data lists Anthony M. Abraham at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MercyOne North Iowa Medical CenterMason City, IA · Acute Care Hospital · CCN 160064
- Riverside Shore Memorial HospitalOnancock, VA · Acute Care Hospital · CCN 490037
Practice locations
Addresses where Anthony M. Abraham is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 4th St SWMason City, IA 50401
- 20486 Market StOnancock, VA 23417 (757) 302‑2700
- 635 E US Hwy 9, Mercyone Forest City Family MedicineForest City, IA 50436 (641) 585‑2904
Group practices
Medicare enrollment lists Anthony M. Abraham as a member of these groups (CMS data updated 2026-10-02).
- Riverside Physician Services Inc797 clinicians in the group
- North Iowa Mercy Clinics302 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Mason City
Clinicians with the same Medicare primary specialty in Mason City, IA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Nova Southeastern College Of Osteo Medicine |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336474535 |
| 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