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Diagnostic Radiology

Jonathan Gromis, MD

Works at hospitals in Syracuse, NY · Oswego, NY · New York

Summary

Jonathan Gromis, MD (Diagnostic Radiology) is listed by Medicare at 2 hospitals in Syracuse, NY and Oswego, NY. NPI 1417305954. 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 Jonathan Gromis, 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

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
10Years since medical school (graduated 2016)
New York Medical CollegeMedical school
MaleGender (as listed)
Syracuse Orthopedic Specialists, PLLCGroup practice (+2 more)

Quick answers

Which hospitals does Jonathan Gromis work at?
Medicare's official clinician data lists Jonathan Gromis at 2 hospitals: Crouse Hospital and Oswego Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jonathan Gromis see patients?
Medicare's clinician data lists 3 practice locations, including New York, NY, East Syracuse, NY and Syracuse, NY. Call before your visit to confirm the address.
What is Jonathan Gromis's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does Jonathan Gromis accept Medicare assignment?
Yes. Medicare's clinician data says Jonathan Gromis 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.
What is the phone number for Jonathan Gromis?
(315) 251-3100, as listed in official Medicare / NPI Registry data.
What is Jonathan Gromis's NPI number?
1417305954. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jonathan Gromis works

Medicare's Facility Affiliation Data lists Jonathan Gromis 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 Jonathan Gromis is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jonathan Gromis as a member of these groups (CMS data updated 2026-10-02).

  • Syracuse Orthopedic Specialists, PLLC113 clinicians in the group
  • Crouse Radiology Associates LLP95 clinicians in the group
  • Medical Imaging Center LLP38 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in New York →

Other radiologists in New York

Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.

All radiologists in New York →

Clinician information

CredentialMD
Medical schoolNew York Medical College
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1417305954
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