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Anesthesiology

Lynn K. Ngai, MD

Works at hospitals in San Jose, CA · California

Summary

Dr. Lynn K. Ngai, MD is an anesthesiologist at 751 S Bascom Ave, San Jose, CA 95128. Phone: (408) 885-5000. Accepts Medicare assignment. In 2024, Lynn K. Ngai had 53 Original Medicare patients and 61 services. NPI 1609262484. 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: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 751 S Bascom Ave, San Jose, CA 95128 · Directions (1 more location)
  • Phone: (408) 885‑5000
  • Medicare: Accepts Medicare assignment
  • Hospital: Santa Clara Valley Medical Center
  • Group practice: County of Santa Clara
  • Medical school: graduated 2015 (11 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Lynn K. Ngai, 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 Lynn K. Ngai accept Medicare assignment?
Yes. Medicare's clinician data says Lynn K. Ngai 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 Lynn K. Ngai see?
In 2024, CMS data shows 53 Original Medicare patients and 61 services for Lynn K. Ngai. This counts Original Medicare only and measures volume, not quality.
What is Lynn K. Ngai's NPI number?
1609262484. 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 Lynn K. Ngai, 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 patients53
Services billed to Medicare61
Different services or procedures33
Participating Medicare providerYes
Average age of these patients70

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 pressure75%
  • High cholesterol70%
  • Diabetes49%
  • Arthritis47%
  • Depression36%
  • Chronic kidney disease36%

Hospitals where Lynn K. Ngai works

Medicare's Facility Affiliation Data lists Lynn K. Ngai 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 Lynn K. Ngai is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lynn K. Ngai as a member of this group (CMS data updated October 2, 2026).

  • County of Santa Clara1,022 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in San Jose

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

All anesthesiologists in San Jose →

Other clinicians in County of Santa Clara

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2015 (11 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1609262484
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