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Cardiac Surgery

Reginald G. Abraham, MD

Works at hospitals in Marysville, CA · Orange, CA · California

Summary

Reginald G. Abraham, MD (Cardiac Surgery) is listed by Medicare at 2 hospitals in Marysville, CA and Orange, CA. NPI 1720042864. 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 Reginald G. Abraham, 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

Cardiac SurgeryPrimary specialty
YesAccepts Medicare assignment
36Years since medical school (graduated 1990)
MaleGender (as listed)
Adventist Health Physicians NetworkGroup practice

Quick answers

Which hospitals does Reginald G. Abraham work at?
Medicare's official clinician data lists Reginald G. Abraham at 2 hospitals: Adventist Health and Rideout and UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Reginald G. Abraham see patients?
Medicare's clinician data lists 2 practice locations, including Yuba City, CA and Fountain Valley, CA. Call before your visit to confirm the address.
What is Reginald G. Abraham's specialty?
Medicare lists Cardiac Surgery as the primary specialty, and also Thoracic Surgery and Vascular Surgery.
Does Reginald G. Abraham accept Medicare assignment?
Yes. Medicare's clinician data says Reginald G. Abraham 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 Reginald G. Abraham?
(530) 671-8718, as listed in official Medicare / NPI Registry data.
What is Reginald G. Abraham's NPI number?
1720042864. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Reginald G. Abraham works

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

Group practices

Medicare enrollment lists Reginald G. Abraham as a member of this group (CMS data updated 2026-10-02).

  • Adventist Health Physicians Network628 clinicians in the group

Specialties

Find other Cardiac Surgery doctors in California →

Other cardiac surgeons in California

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

All cardiac surgeons in California →

Clinician information

CredentialMD
Graduation year1990
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1720042864
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