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Anesthesiology

Tristan T. Lai, MD

Sees patients in Spring Branch, TX · Texas

Summary

Dr. Tristan T. Lai, MD is an anesthesiologist at 19750 State Hwy 46 W, Suite 104, Spring Branch, TX 78070. Phone: (830) 515-5131. Accepts Medicare assignment. In 2024, Tristan T. Lai had 325 Original Medicare patients and 12,480 services. NPI 1699976217. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 19750 State Hwy 46 W, Suite 104, Spring Branch, TX 78070 · Directions
  • Phone: (830) 515‑5131
  • Medicare: Accepts Medicare assignment
  • Medical school: Uniformed Services Uhs Fe Hebert School Of Med · graduated 2006 (20 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Tristan T. Lai, 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 Tristan T. Lai accept Medicare assignment?
Yes. Medicare's clinician data says Tristan T. Lai 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 Tristan T. Lai see?
In 2024, CMS data shows 325 Original Medicare patients and 12,480 services for Tristan T. Lai. This counts Original Medicare only and measures volume, not quality.
What is Tristan T. Lai's NPI number?
1699976217. 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 Tristan T. Lai, 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 patients325
Services billed to Medicare12,480
Different services or procedures70
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml (Q9966)6,039 services
  2. Injection, methylprednisolone sodium succinate, 5 mg (J2919)1,211 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)860 services
  4. Injection, dexamethasone sodium phosphate, 1 mg (J1100)641 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)358 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).

  • Arthritis75%
  • High blood pressure73%
  • High cholesterol72%
  • Anxiety48%
  • Depression29%
  • Ischemic heart disease28%

Practice locations

Addresses where Tristan T. Lai is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Anesthesiology doctors in Texas →

Other anesthesiologists in Texas

Clinicians with the same Medicare primary specialty in Texas — not a recommendation.

All anesthesiologists in Texas →

Clinician information

CredentialMD
Medical schoolUniformed Services Uhs Fe Hebert School Of Med
Graduation year2006 (20 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1699976217
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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