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Orthopedic Surgery

Frank R. Dimaio, MD

Works at hospitals in Port Jefferson, NY · Roslyn, NY · New York

Summary

Frank R. Dimaio, MD (Orthopedic Surgery) is listed by Medicare at 2 hospitals in Port Jefferson, NY and Roslyn, NY. NPI 1275532988. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

Call(631) 483‑5600 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Frank R. Dimaio, 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

2Hospitals
5Practice locations
Orthopedic SurgeryPrimary specialty
YesAccepts Medicare assignment
37Years since medical school (graduated 1989)
State University Of New York Downstate Medical CenterMedical school
MaleGender (as listed)
CHS Physician Partners PCGroup practice

Quick answers

Which hospitals does Frank R. Dimaio work at?
Medicare's official clinician data lists Frank R. Dimaio at 2 hospitals: St Charles Hospital and St Francis Hospital - The Heart Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Frank R. Dimaio see patients?
Medicare's clinician data lists 5 practice locations, including Roslyn, NY, Greenvale, NY and Melville, NY. Call before your visit to confirm the address.
What is Frank R. Dimaio's specialty?
Medicare lists Orthopedic Surgery as the primary specialty.
Does Frank R. Dimaio accept Medicare assignment?
Yes. Medicare's clinician data says Frank R. Dimaio 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 Frank R. Dimaio?
(631) 483-5600, as listed in official Medicare / NPI Registry data.
What is Frank R. Dimaio's NPI number?
1275532988. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Frank R. Dimaio works

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

Group practices

Medicare enrollment lists Frank R. Dimaio as a member of this group (CMS data updated 2026-10-02).

  • CHS Physician Partners PC743 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in New York →

Other orthopedic surgeons in Roslyn

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

All orthopedic surgeons in Roslyn →

Clinician information

CredentialMD
Medical schoolState University Of New York Downstate Medical Center
Graduation year1989
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1275532988
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