Quick answers
- Which hospitals does Anthony Nigliazzo work at?
- Medicare's official clinician data lists Anthony Nigliazzo at 3 hospitals: Coal County General Hospital, Inc., Mercy Hospital Ada and Sequoyah County-City of Sallisaw Hospital Authorit…. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Anthony Nigliazzo see patients?
- Medicare's clinician data lists 2 practice locations, including Sallisaw, OK and Coalgate, OK. Call before your visit to confirm the address.
- What is Anthony Nigliazzo's specialty?
- Medicare lists Emergency Medicine as the primary specialty, and also General Surgery.
- Does Anthony Nigliazzo accept Medicare assignment?
- Yes. Medicare's clinician data says Anthony Nigliazzo 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 Nigliazzo?
- (918) 774-1100, as listed in official Medicare / NPI Registry data.
- What is Anthony Nigliazzo's NPI number?
- 1235339433. 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 Nigliazzo works
Medicare's Facility Affiliation Data lists Anthony Nigliazzo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Coal County General Hospital, Inc.Coalgate, OK · Critical Access Hospital · CCN 371319
- Mercy Hospital AdaAda, OK · Acute Care Hospital · CCN 370020
- Sequoyah County-City of Sallisaw Hospital Authorit…Sallisaw, OK · Acute Care Hospital · CCN 370112
Practice locations
Addresses where Anthony Nigliazzo is enrolled with Medicare (CMS data updated 2026-10-02).
- 213 E Redwood AveSallisaw, OK 74955 (918) 774‑1100
- 6 N Covington StCoalgate, OK 74538
Group practices
Medicare enrollment lists Anthony Nigliazzo as a member of these groups (CMS data updated 2026-10-02).
- Hospital Care Consultants Inc25 clinicians in the group
- Coal County General Hospital7 clinicians in the group
Specialties
- Emergency Medicineprimary
- General Surgeryalso
Other emergency medicine doctors in Oklahoma
Clinicians with the same Medicare primary specialty in Oklahoma — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Oklahoma College Of Medicine |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235339433 |
| 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