Quick answers
- Which hospitals does Franklin D. Diaz work at?
- Medicare's official clinician data lists Franklin D. Diaz at 3 hospitals: Northside Hospital Duluth, Northside Hospital Forsyth and Northside Hospital Gwinnett. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Franklin D. Diaz see patients?
- Medicare's clinician data lists 1 practice location in Lawrenceville, GA. Call before your visit to confirm the address.
- What is Franklin D. Diaz's specialty?
- Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
- Does Franklin D. Diaz accept Medicare assignment?
- Yes. Medicare's clinician data says Franklin D. Diaz 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 Franklin D. Diaz?
- (770) 513-8028, as listed in official Medicare / NPI Registry data.
- What is Franklin D. Diaz's NPI number?
- 1407999246. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Franklin D. Diaz works
Medicare's Facility Affiliation Data lists Franklin D. Diaz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northside Hospital DuluthDuluth, GA · Acute Care Hospital · CCN 110252
- Northside Hospital ForsythCumming, GA · Acute Care Hospital · CCN 110005
- Northside Hospital GwinnettLawrenceville, GA · Acute Care Hospital · CCN 110087
Practice locations
Addresses where Franklin D. Diaz is enrolled with Medicare (CMS data updated 2026-10-02).
- 601 -A Professional Dr, Suite 225Lawrenceville, GA 30046 (770) 513‑8028
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Lawrenceville
Clinicians with the same Medicare primary specialty in Lawrenceville, GA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Puerto Rico School Of Medicine |
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407999246 |
| 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