Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

General Surgery

Denis J. Halmi, MD

Works at hospitals in Fredericksburg, VA · Woodbridge, VA · Virginia

Summary

Denis J. Halmi, MD (General Surgery) is listed by Medicare at 2 hospitals in Fredericksburg, VA and Woodbridge, VA. NPI 1710916697. 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 Denis J. Halmi, 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

General SurgeryPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
47Years since medical school (graduated 1979)
MaleGender (as listed)
Mary Washington Healthcare PhysiciansGroup practice (+1 more)

Quick answers

Which hospitals does Denis J. Halmi work at?
Medicare's official clinician data lists Denis J. Halmi at 2 hospitals: Mary Washington Hospital and Sentara Northern Virginia Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Denis J. Halmi see patients?
Medicare's clinician data lists 3 practice locations, including Fredericksburg, VA, Woodbridge, VA and Fairfax, VA. Call before your visit to confirm the address.
What is Denis J. Halmi's specialty?
Medicare lists General Surgery as the primary specialty.
Does Denis J. Halmi accept Medicare assignment?
Yes. Medicare's clinician data says Denis J. Halmi 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 Denis J. Halmi offer telehealth?
Medicare's clinician data says Denis J. Halmi offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Denis J. Halmi?
(540) 741-2955, as listed in official Medicare / NPI Registry data.
What is Denis J. Halmi's NPI number?
1710916697. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Denis J. Halmi works

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

Group practices

Medicare enrollment lists Denis J. Halmi as a member of these groups (CMS data updated 2026-10-02).

  • Mary Washington Healthcare Physicians282 clinicians in the group
  • DHMR Clinics, Inc2 clinicians in the group

Specialties

Find other General Surgery doctors in Virginia →

Other general surgeons in Fredericksburg

Clinicians with the same Medicare primary specialty in Fredericksburg, VA — not a recommendation.

All general surgeons in Fredericksburg →

Clinician information

CredentialMD
Graduation year1979
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1710916697
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