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General Surgery

Aaron D. Bleznak, MD

Works at hospitals in Williamsburg, VA · Newport News, VA · Gloucester, VA · Virginia

Summary

Aaron D. Bleznak, MD (General Surgery) is listed by Medicare at 3 hospitals in Williamsburg, VA, Newport News, VA and Gloucester, VA. NPI 1619984242. 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 Aaron D. Bleznak, 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
43Years since medical school (graduated 1983)
Jefferson Medical College Of Thomas Jefferson UniversityMedical school
MaleGender (as listed)
Riverside Physician Services IncGroup practice

Quick answers

Which hospitals does Aaron D. Bleznak work at?
Medicare's official clinician data lists Aaron D. Bleznak at 3 hospitals: Riverside Doctors' Hospital of Williamsburg, Riverside Regional Medical Center and Riverside Walter Reed Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Aaron D. Bleznak see patients?
Medicare's clinician data lists 1 practice location in Newport News, VA. Call before your visit to confirm the address.
What is Aaron D. Bleznak's specialty?
Medicare lists General Surgery as the primary specialty.
Does Aaron D. Bleznak accept Medicare assignment?
Yes. Medicare's clinician data says Aaron D. Bleznak 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 Aaron D. Bleznak?
(757) 873-6434, as listed in official Medicare / NPI Registry data.
What is Aaron D. Bleznak's NPI number?
1619984242. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Aaron D. Bleznak works

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

Group practices

Medicare enrollment lists Aaron D. Bleznak as a member of this group (CMS data updated 2026-10-02).

  • Riverside Physician Services Inc797 clinicians in the group

Specialties

Find other General Surgery doctors in Virginia →

Other general surgeons in Newport News

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

All general surgeons in Newport News →

Clinician information

CredentialMD
Medical schoolJefferson Medical College Of Thomas Jefferson University
Graduation year1983
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619984242
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