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Internal Medicine

Lauren O'Malley

Sees patients in San Francisco, CA · California

Summary

Lauren O'Malley is an internal medicine doctor at 1 California St, Suite 2300, San Francisco, CA 94111. May accept Medicare assignment. NPI 1184035651. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1 California St, Suite 2300, San Francisco, CA 94111 · Directions
  • Medicare: May accept Medicare assignment
  • Medical school: West Virginia University School Of Medicine · graduated 2012 (14 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Lauren O'Malley, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Lauren O'Malley accept Medicare assignment?
Medicare's clinician data says Lauren O'Malley may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Lauren O'Malley's NPI number?
1184035651. 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 Lauren O'Malley is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in San Francisco

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

All internal medicine doctors in San Francisco →

Clinician information

Medical schoolWest Virginia University School Of Medicine
Graduation year2012 (14 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1184035651
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 October 2, 2026, retrieved October 29, 2026
  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