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Hematology/Oncology

Mario B. Sy, MD

Works at hospitals in Silvis, IL · Davenport, IA · Dewitt, IA … · Illinois, Iowa

Summary

Mario B. Sy, MD (Hematology/Oncology) is listed by Medicare at 5 hospitals in Silvis, IL, Davenport, IA and Dewitt, IA and other places. NPI 1447210638. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mario B. Sy, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
37Years since medical school (graduated 1989)
MaleGender (as listed)
State University of IowaGroup practice

Quick answers

Which hospitals does Mario B. Sy work at?
Medicare's official clinician data lists Mario B. Sy at 5 hospitals: Genesis Health System dba Genesis MDL Center-Illini, Genesis Medical Center-Davenport, MercyOne Genesis Dewitt Medical Center, Trinity Rock Island and University of Iowa Hospital & Clinics. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mario B. Sy see patients?
Medicare's clinician data lists 1 practice location in Bettendorf, IA. Call before your visit to confirm the address.
What is Mario B. Sy's specialty?
Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine.
Does Mario B. Sy accept Medicare assignment?
Yes. Medicare's clinician data says Mario B. Sy accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Mario B. Sy offer telehealth?
Medicare's clinician data says Mario B. Sy offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Mario B. Sy?
(563) 355-7733, as listed in official Medicare / NPI Registry data.
What is Mario B. Sy's NPI number?
1447210638. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mario B. Sy works

Medicare's Facility Affiliation Data lists Mario B. Sy at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Mario B. Sy is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mario B. Sy as a member of this group (CMS data updated 2026-10-02).

  • State University of Iowa1,897 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Iowa →

Other hematologist-oncologists in Iowa

Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.

All hematologist-oncologists in Iowa →

Clinician information

CredentialMD
Graduation year1989
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1447210638
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians