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Gastroenterology

Aaron D. Lee, MD

Works at hospitals in Alameda, CA · Oakland, CA · California

Summary

Aaron D. Lee, MD (Gastroenterology) is listed by Medicare at 2 hospitals in Alameda, CA and Oakland, CA. NPI 1831455575. 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. Lee, 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

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
15Years since medical school (graduated 2011)
University Of California, San Diego School Of MedicineMedical school
MaleGender (as listed)
Alameda Health SystemGroup practice

Quick answers

Which hospitals does Aaron D. Lee work at?
Medicare's official clinician data lists Aaron D. Lee at 2 hospitals: Alameda Hospital and Highland Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Aaron D. Lee see patients?
Medicare's clinician data lists 1 practice location in Oakland, CA. Call before your visit to confirm the address.
What is Aaron D. Lee's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does Aaron D. Lee accept Medicare assignment?
Yes. Medicare's clinician data says Aaron D. Lee 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. Lee?
(510) 437-4800, as listed in official Medicare / NPI Registry data.
What is Aaron D. Lee's NPI number?
1831455575. 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. Lee works

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

Group practices

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

  • Alameda Health System601 clinicians in the group

Specialties

Find other Gastroenterology doctors in California →

Other gastroenterologists in Oakland

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

All gastroenterologists in Oakland →

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Diego School Of Medicine
Graduation year2011
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1831455575
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