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Anesthesiology

Lawrence E. Ong, MD

Works at hospitals in Modesto, CA · Santa Cruz, CA · Sacramento, CA · California

Summary

Lawrence E. Ong, MD (Anesthesiology) is listed by Medicare at 3 hospitals in Modesto, CA, Santa Cruz, CA and Sacramento, CA. NPI 1316254840. 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 Lawrence E. Ong, 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
17Years since medical school (graduated 2009)
University Of California, Davis School Of MedicineMedical school
MaleGender (as listed)
Regents of the Univ of CaGroup practice (+2 more)

Quick answers

Which hospitals does Lawrence E. Ong work at?
Medicare's official clinician data lists Lawrence E. Ong at 3 hospitals: Doctors Medical Center, Dominican Hospital and University of California Davis Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Lawrence E. Ong see patients?
Medicare's clinician data lists 3 practice locations, including Modesto, CA, Santa Cruz, CA and Sacramento, CA. Call before your visit to confirm the address.
What is Lawrence E. Ong's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Lawrence E. Ong accept Medicare assignment?
Yes. Medicare's clinician data says Lawrence E. Ong 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 Lawrence E. Ong?
(209) 571-1633, as listed in official Medicare / NPI Registry data.
What is Lawrence E. Ong's NPI number?
1316254840. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Lawrence E. Ong works

Medicare's Facility Affiliation Data lists Lawrence E. Ong 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 Lawrence E. Ong is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Lawrence E. Ong as a member of these groups (CMS data updated 2026-10-02).

  • Regents of the Univ of Ca1,584 clinicians in the group
  • Valley Regional Anesthesia Associates Inc146 clinicians in the group
  • Anesthesia Medical Group of Santa Cruz Inc18 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in Modesto

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

All anesthesiologists in Modesto →

Clinician information

CredentialMD
Medical schoolUniversity Of California, Davis School Of Medicine
Graduation year2009
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1316254840
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