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Otolaryngology

Ronald L. Rubenstein, MD

Works at hospitals in Castro Valley, CA · California

Summary

Ronald L. Rubenstein, MD (Otolaryngology) is listed by Medicare at 1 hospital in Castro Valley, CA. NPI 1467568105. 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 Ronald L. Rubenstein, 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

OtolaryngologyPrimary specialty
YesAccepts Medicare assignment
52Years since medical school (graduated 1974)
University Of Michigan Medical SchoolMedical school
MaleGender (as listed)
Bay Area Ear, Nose, and Throat Medical GroupGroup practice

Quick answers

Which hospitals does Ronald L. Rubenstein work at?
Medicare's official clinician data lists Ronald L. Rubenstein at 1 hospital: Eden Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ronald L. Rubenstein see patients?
Medicare's clinician data lists 1 practice location in San Leandro, CA. Call before your visit to confirm the address.
What is Ronald L. Rubenstein's specialty?
Medicare lists Otolaryngology as the primary specialty.
Does Ronald L. Rubenstein accept Medicare assignment?
Yes. Medicare's clinician data says Ronald L. Rubenstein 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 Ronald L. Rubenstein?
(510) 352-5470, as listed in official Medicare / NPI Registry data.
What is Ronald L. Rubenstein's NPI number?
1467568105. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ronald L. Rubenstein works

Medicare's Facility Affiliation Data lists Ronald L. Rubenstein 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 Ronald L. Rubenstein is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Ronald L. Rubenstein as a member of this group (CMS data updated 2026-10-02).

  • Bay Area Ear, Nose, and Throat Medical Group2 clinicians in the group

Specialties

Find other Otolaryngology doctors in California →

Other ENT doctors in San Leandro

Clinicians with the same Medicare primary specialty in San Leandro, CA — not a recommendation.

All ENT doctors in San Leandro →

Clinician information

CredentialMD
Medical schoolUniversity Of Michigan Medical School
Graduation year1974
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1467568105
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