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Ophthalmology

Mark D. Bailey, MD

Sees patients in San Leandro, CA · California

Summary

Mark D. Bailey, MD (Ophthalmology) is enrolled with Medicare at 1 practice location in San Leandro, CA. NPI 1417530270. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mark D. Bailey, 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

OphthalmologyPrimary specialty
YesAccepts Medicare assignment
5Years since medical school (graduated 2021)
Baylor College Of MedicineMedical school
MaleGender (as listed)
V. Nicholas Batra M.D. Inc.Group practice

Quick answers

Where does Mark D. Bailey see patients?
Medicare's clinician data lists 1 practice location in San Leandro, CA. Call before your visit to confirm the address.
What is Mark D. Bailey's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Mark D. Bailey accept Medicare assignment?
Yes. Medicare's clinician data says Mark D. Bailey 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 Mark D. Bailey?
(510) 357-3636, as listed in official Medicare / NPI Registry data.
What is Mark D. Bailey's NPI number?
1417530270. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Mark D. Bailey is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • V. Nicholas Batra M.D. Inc.4 clinicians in the group

Specialties

Find other Ophthalmology doctors in California →

Other ophthalmologists in San Leandro

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

All ophthalmologists in San Leandro →

Clinician information

CredentialMD
Medical schoolBaylor College Of Medicine
Graduation year2021
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1417530270
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians