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Infectious Disease

Roger A. Bitar, MD

Works at hospitals in Escondido, CA · Poway, CA · California

Summary

Roger A. Bitar, MD (Infectious Disease) is listed by Medicare at 2 hospitals in Escondido, CA and Poway, CA. NPI 1225153737. 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 Roger A. Bitar, 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

Infectious DiseasePrimary specialty
YesAccepts Medicare assignment
54Years since medical school (graduated 1972)
Hahnemann University College Of MedicineMedical school
MaleGender (as listed)
Mission Infectious Disease and Infusion Consultants IncGroup practice

Quick answers

Which hospitals does Roger A. Bitar work at?
Medicare's official clinician data lists Roger A. Bitar at 2 hospitals: Palomar Health Downtown Campus and Palomar Medical Center Poway. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Roger A. Bitar see patients?
Medicare's clinician data lists 1 practice location in Poway, CA. Call before your visit to confirm the address.
What is Roger A. Bitar's specialty?
Medicare lists Infectious Disease as the primary specialty.
Does Roger A. Bitar accept Medicare assignment?
Yes. Medicare's clinician data says Roger A. Bitar 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 Roger A. Bitar?
(858) 312-5459, as listed in official Medicare / NPI Registry data.
What is Roger A. Bitar's NPI number?
1225153737. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Roger A. Bitar works

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

Group practices

Medicare enrollment lists Roger A. Bitar as a member of this group (CMS data updated 2026-10-02).

  • Mission Infectious Disease and Infusion Consultants Inc4 clinicians in the group

Specialties

Find other Infectious Disease doctors in California →

Other infectious disease doctors in California

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

All infectious disease doctors in California →

Clinician information

CredentialMD
Medical schoolHahnemann University College Of Medicine
Graduation year1972
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1225153737
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