Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Frantz Louis, MD

Works at hospitals in Deland, FL · Orange City, FL · Sanford, FL · Florida

Summary

Dr. Frantz Louis, MD is an internal medicine doctor at 1055 Saxon Blvd, Orange City, FL 32763. Phone: (386) 917-5000. Accepts Medicare assignment. In 2024, Frantz Louis had 392 Original Medicare patients and 1,593 services. NPI 1043621956. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Frantz Louis, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Frantz Louis accept Medicare assignment?
Yes. Medicare's clinician data says Frantz Louis accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Frantz Louis see?
In 2024, CMS data shows 392 Original Medicare patients and 1,593 services for Frantz Louis. This counts Original Medicare only and measures volume, not quality.
What is Frantz Louis's NPI number?
1043621956. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Frantz Louis, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients392
Services billed to Medicare1,593
Different services or procedures11
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)676 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)270 services
  3. Hospital discharge day management, more than 30 minutes (99239)223 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)216 services
  5. Advance care planning, first 30 minutes (99497)115 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis63%
  • Ischemic heart disease56%
  • Diabetes52%
  • Chronic kidney disease51%

Hospitals where Frantz Louis works

Medicare's Facility Affiliation Data lists Frantz Louis at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • AdventHealth DelandDeland, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100045
  • AdventHealth Fish MemorialOrange City, FL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 100072
  • Central Florida Lake Monroe HospitalSanford, FL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 100161

Practice locations

Addresses where Frantz Louis is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Frantz Louis as a member of this group (CMS data updated October 2, 2026).

  • Inpatient Consultants of Florida, Inc156 clinicians in the group

Specialties

Find other Internal Medicine doctors in Florida →

Other internal medicine doctors in Orange City

Clinicians with the same Medicare primary specialty in Orange City, FL — not a recommendation.

All internal medicine doctors in Orange City →

Other clinicians in Inpatient Consultants of Florida, Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1999 (27 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1043621956
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians