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Diagnostic Radiology

Joseph G. Cernigliaro, MD

Works at hospitals in Jacksonville, FL · Florida

Summary

Dr. Joseph G. Cernigliaro, MD is a radiologist at 110 Southwood Lake Dr, Saint Augustine, FL 32086. Phone: (904) 794-2777. Accepts Medicare assignment. In 2024, Joseph G. Cernigliaro had 1,443 Original Medicare patients and 92,040 services. NPI 1386635464. 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: Radiologist (Medicare lists Diagnostic Radiology)
  • Address: 110 Southwood Lake Dr, Saint Augustine, FL 32086 · Directions (2 more locations)
  • Phone: (904) 794‑2777
  • Medicare: Accepts Medicare assignment
  • Hospital: Mayo Clinic
  • Group practice: Mayo Clinic Jacksonville
  • Medical school: University Of Rochester School Of Medicine And Dentistry · graduated 1989 (37 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Joseph G. Cernigliaro, 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 Joseph G. Cernigliaro accept Medicare assignment?
Yes. Medicare's clinician data says Joseph G. Cernigliaro 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 Joseph G. Cernigliaro see?
In 2024, CMS data shows 1,443 Original Medicare patients and 92,040 services for Joseph G. Cernigliaro. This counts Original Medicare only and measures volume, not quality.
What is Joseph G. Cernigliaro's NPI number?
1386635464. 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 Joseph G. Cernigliaro, 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 patients1,443
Services billed to Medicare92,040
Different services or procedures42
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)59,073 services
  2. Injection, gadobutrol, 0.1 ml (A9585)30,885 services
  3. Ct scan of abdomen and pelvis with contrast (74177)482 services
  4. Mri scan of abdomen before and after contrast (74183)331 services
  5. X-ray of abdomen, 1 view (74018)227 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%
  • Arthritis49%
  • Chronic kidney disease42%
  • Ischemic heart disease40%
  • Diabetes36%

Hospitals where Joseph G. Cernigliaro works

Medicare's Facility Affiliation Data lists Joseph G. Cernigliaro 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.

  • Mayo ClinicJacksonville, FL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 100151

Practice locations

Addresses where Joseph G. Cernigliaro is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Joseph G. Cernigliaro as a member of this group (CMS data updated October 2, 2026).

  • Mayo Clinic Jacksonville1,615 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Florida →

Other radiologists in Saint Augustine

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

All radiologists in Saint Augustine →

Other clinicians in Mayo Clinic Jacksonville

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

Clinician information

CredentialMD
Medical schoolUniversity Of Rochester School Of Medicine And Dentistry
Graduation year1989 (37 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1386635464
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