Luiz Fernando Leonavicius Guimaraes Franco, M.D.
NPI 1023423290 · Endocrinology, Diabetes & Metabolism Physician · Duluth, MN
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Luiz Fernando Leonavicius Guimaraes Franco, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Duluth, MN (NPI 1023423290).
Provider details
- NPI number
- 1023423290
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 119-320 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 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
473 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 184 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 141 | $92 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 47 | $125 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 30 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 362 | 105 |
| Methimazole | 219 | 52 |
| Semaglutidebrand: Ozempic | 204 | 42 |
| Empagliflozinbrand: Jardiance | 93 | 18 |
| Hydrocortisone | 91 | 19 |
| Metformin Hclbrand: Metformin Hcl Er | 79 | 24 |
| Insulin Glargine,hum.rec.anlog |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-06-26
- Last updated
- 2021-11-30
- Certified
- 2021-11-30
Frequently asked questions
- What is Luiz Fernando Leonavicius Guimaraes Franco's NPI number?
- Luiz Fernando Leonavicius Guimaraes Franco's National Provider Identifier (NPI) is 1023423290, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Luiz Fernando Leonavicius Guimaraes Franco's specialty?
- Luiz Fernando Leonavicius Guimaraes Franco is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Luiz Fernando Leonavicius Guimaraes Franco located?
- Luiz Fernando Leonavicius Guimaraes Franco's practice location on file with NPPES is 502 E 2nd St, Duluth, MN 55805-1913.
- What is Luiz Fernando Leonavicius Guimaraes Franco's phone number?
- The practice phone number listed in the NPPES registry for Luiz Fernando Leonavicius Guimaraes Franco is (218) 786-8364.
- Does Luiz Fernando Leonavicius Guimaraes Franco accept Medicare?
- Luiz Fernando Leonavicius Guimaraes Franco is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Luiz Fernando Leonavicius Guimaraes Franco's NPI active?
- Yes — Luiz Fernando Leonavicius Guimaraes Franco's NPI (1023423290) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.