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Nephrology

Charles W. Heilig, MD

Works at hospitals in Jacksonville, FL · Florida

Summary

Dr. Charles W. Heilig, MD is a nephrologist at 655 W 8th St, Jacksonville, FL 32209. Phone: (904) 244-6700. Accepts Medicare assignment. In 2024, Charles W. Heilig had 156 Original Medicare patients and 388 services. NPI 1174686695. 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.

  • Specialty: Nephrologist (Medicare lists Nephrology)
  • Address: 655 W 8th St, Jacksonville, FL 32209 · Directions
  • Phone: (904) 244‑6700
  • Medicare: Accepts Medicare assignment
  • Hospital: Shands Jacksonville
  • Group practice: University of Florida Jacksonville Physicians, Inc.
  • Medical school: University Of Minnesota Medical School · graduated 1984 (42 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Charles W. Heilig, 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 Charles W. Heilig accept Medicare assignment?
Yes. Medicare's clinician data says Charles W. Heilig 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 Charles W. Heilig see?
In 2024, CMS data shows 156 Original Medicare patients and 388 services for Charles W. Heilig. This counts Original Medicare only and measures volume, not quality.
What is Charles W. Heilig's NPI number?
1174686695. 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 Charles W. Heilig, 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 patients156
Services billed to Medicare388
Different services or procedures17
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)64 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)61 services
  3. Hemodialysis procedure with physician evaluation (90935)54 services
  4. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)39 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)35 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%
  • Chronic kidney disease75%
  • Diabetes66%
  • Ischemic heart disease55%
  • Heart failure55%

Hospitals where Charles W. Heilig works

Medicare's Facility Affiliation Data lists Charles W. Heilig 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.

Practice locations

Addresses where Charles W. Heilig is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Charles W. Heilig as a member of this group (CMS data updated October 2, 2026).

  • University of Florida Jacksonville Physicians, Inc.910 clinicians in the group

Specialties

Find other Nephrology doctors in Florida →

Other nephrologists in Jacksonville

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

All nephrologists in Jacksonville →

Other clinicians in University of Florida Jacksonville Physicians, Inc.

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

Clinician information

CredentialMD
Medical schoolUniversity Of Minnesota Medical School
Graduation year1984 (42 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1174686695
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