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Infectious Disease

Gina Zilioli, MD

Works at hospitals in Dublin, OH · Delaware, OH · Marion, OH … · Ohio

Summary

Dr. Gina Zilioli, MD is an infectious disease doctor at 3555 Olentangy River Rd, Suite 3080, Columbus, OH 43214. Phone: (614) 788-5200. Accepts Medicare assignment. In 2024, Gina Zilioli had 150 Original Medicare patients and 383 services. NPI 1427183029. 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 Gina Zilioli, 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 Gina Zilioli accept Medicare assignment?
Yes. Medicare's clinician data says Gina Zilioli 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 Gina Zilioli see?
In 2024, CMS data shows 150 Original Medicare patients and 383 services for Gina Zilioli. This counts Original Medicare only and measures volume, not quality.
What is Gina Zilioli's NPI number?
1427183029. 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 Gina Zilioli, 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 patients150
Services billed to Medicare383
Different services or procedures17
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)153 services
  2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)91 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)32 services
  4. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)27 services
  5. Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)15 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%
  • Arthritis71%
  • Ischemic heart disease55%
  • Anxiety50%
  • Diabetes49%

Hospitals where Gina Zilioli works

Medicare's Facility Affiliation Data lists Gina Zilioli 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.

  • Dublin Methodist HospitalDublin, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360348
  • Grady Memorial HospitalDelaware, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360210
  • Marion General HospitalMarion, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360011
  • OhioHealth O'Bleness HospitalAthens, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360014
  • Riverside Methodist HospitalColumbus, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360006

Practice locations

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

Group practices

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

  • OhioHealth Corporation2,314 clinicians in the group

Specialties

Find other Infectious Disease doctors in Ohio →

Other infectious disease doctors in Columbus

Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.

All infectious disease doctors in Columbus →

Other clinicians in OhioHealth Corporation

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

Clinician information

CredentialMD
Medical schoolUniversity Of Maryland School Of Medicine
Graduation year2004 (22 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1427183029
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