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Family Practice

Elain W. Tong, DO

Works at hospitals in Newport Beach, CA · California

Summary

Dr. Elain W. Tong, DO is a family doctor at 18 Endeavor, Suite 304, Irvine, CA 92618. Phone: (714) 556-8664. Accepts Medicare assignment. In 2024, Elain W. Tong had 52 Original Medicare patients and 1,044 services. NPI 1164610713. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 18 Endeavor, Suite 304, Irvine, CA 92618 · Directions
  • Phone: (714) 556‑8664
  • Medicare: Accepts Medicare assignment
  • Hospital: Hoag Memorial Hospital Presbyterian
  • Medical school: graduated 2005 (21 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Elain W. Tong, 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 Elain W. Tong accept Medicare assignment?
Yes. Medicare's clinician data says Elain W. Tong accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Elain W. Tong see?
In 2024, CMS data shows 52 Original Medicare patients and 1,044 services for Elain W. Tong. This counts Original Medicare only and measures volume, not quality.
What is Elain W. Tong's NPI number?
1164610713. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Elain W. Tong, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients52
Services billed to Medicare1,044
Different services or procedures18
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Injection of anesthetic agent and/or steroid into rib nerve (64420)222 services
  2. Injection of anesthetic agent and/or steroid into multiple rib nerves for regional nerve block (64421)158 services
  3. Injection of anesthetic agent and/or steroid into lower abdomen and groin nerve (64425)146 services
  4. Acupuncture, initial 15 minutes (97810)139 services
  5. Injection of anesthetic agent and/or steroid into lower back and leg nerve (sciatic nerve) (64445)113 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure67%
  • High cholesterol56%
  • Arthritis37%
  • Diabetes29%
  • Asthma21%

Hospitals where Elain W. Tong works

Medicare's Facility Affiliation Data lists Elain W. Tong at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Elain W. Tong is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Family Practice doctors in California →

Other family doctors in Irvine

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

All family doctors in Irvine →

Clinician information

CredentialDO
Graduation year2005 (21 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1164610713
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians