Quick answers
- Which hospitals does Corwin O. Demattos work at?
- Medicare's official clinician data lists Corwin O. Demattos at 1 hospital: Northside Hospital Gwinnett. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Corwin O. Demattos see patients?
- Medicare's clinician data lists 1 practice location in Lawrenceville, GA. Call before your visit to confirm the address.
- What is Corwin O. Demattos's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Corwin O. Demattos accept Medicare assignment?
- Yes. Medicare's clinician data says Corwin O. Demattos 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 Corwin O. Demattos?
- (770) 255-7500, as listed in official Medicare / NPI Registry data.
- What is Corwin O. Demattos's NPI number?
- 1720617756. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Corwin O. Demattos works
Medicare's Facility Affiliation Data lists Corwin O. Demattos at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northside Hospital GwinnettLawrenceville, GA · Acute Care Hospital · CCN 110087
Practice locations
Addresses where Corwin O. Demattos is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 Medical Ctr BlvdLawrenceville, GA 30046 (770) 255‑7500
Group practices
Medicare enrollment lists Corwin O. Demattos as a member of this group (CMS data updated 2026-10-02).
- North Atlanta Professional Services LLC430 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Lawrenceville
Clinicians with the same Medicare primary specialty in Lawrenceville, GA — not a recommendation.
Clinician information
| Graduation year | 2019 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1720617756 |
| 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