Franklin Diaz, M.D.
NPI 1407999246 · Nephrology Physician · Lawrenceville, GA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Franklin Diaz, M.D. is a Nephrology Physician provider in Lawrenceville, GA (NPI 1407999246).
Provider details
- NPI number
- 1407999246
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 032374 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
346 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 152 | $90 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 84 | $115 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 83 | $126 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 14 | $169 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 13 | $165 |
Typical Medicare-allowed amounts for these services range $90–$169 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 72 | 28 |
| Metoprolol Succinate | 52 | 17 |
| Amlodipine Besylate | 49 | 18 |
| Losartan Potassium | 42 | 15 |
| Nifedipinebrand: Nifedipine Er | 38 | 14 |
| Calcium Acetate | 29 | — |
| Azilsartan Medoxomilbrand: Edarbi | 28 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-14
- Last updated
- 2014-08-18
Frequently asked questions
- What is Franklin Diaz's NPI number?
- Franklin Diaz's National Provider Identifier (NPI) is 1407999246, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Franklin Diaz's specialty?
- Franklin Diaz is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Franklin Diaz located?
- Franklin Diaz's practice location on file with NPPES is 601a Professional Drive Ste 225, Lawrenceville, GA 30046-3325.
- What is Franklin Diaz's phone number?
- The practice phone number listed in the NPPES registry for Franklin Diaz is (770) 513-8028.
- Does Franklin Diaz accept Medicare?
- Franklin Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Franklin Diaz's NPI active?
- Yes — Franklin Diaz's NPI (1407999246) is active in the NPPES registry as of the last update on 2014-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.