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Hospice/Palliative Care

Wai Yim Lam, MD

Works at hospitals in The Woodlands, TX · Texas

Summary

Dr. Wai Yim Lam, MD is a palliative care doctor at 16605 Southwest Fwy, Sugar Land, TX 77479. Phone: (281) 275-0800. Accepts Medicare assignment. In 2024, Wai Yim Lam had 238 Original Medicare patients and 537 services. NPI 1194090431. 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: Palliative care doctor (Medicare lists Hospice/Palliative Care)
  • Address: 16605 Southwest Fwy, Sugar Land, TX 77479 · Directions (6 more locations)
  • Phone: (281) 275‑0800
  • Medicare: Accepts Medicare assignment
  • Hospital: Houston Methodist The Woodlands Hospital
  • Group practice: TMH Physician Associates PLLC (+1 more)
  • Medical school: State University Of New York At Buffalo School Of Medicine · graduated 2012 (14 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Wai Yim Lam, 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 Wai Yim Lam accept Medicare assignment?
Yes. Medicare's clinician data says Wai Yim Lam 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 Wai Yim Lam see?
In 2024, CMS data shows 238 Original Medicare patients and 537 services for Wai Yim Lam. This counts Original Medicare only and measures volume, not quality.
What is Wai Yim Lam's NPI number?
1194090431. 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 Wai Yim Lam, 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 patients238
Services billed to Medicare537
Different services or procedures19
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)202 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)108 services
  3. Advance care planning, first 30 minutes (99497)63 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)33 services
  5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)22 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 pressure75%
  • High cholesterol74%
  • Ischemic heart disease66%
  • Arthritis59%
  • Chronic kidney disease55%
  • Heart failure54%

Hospitals where Wai Yim Lam works

Medicare's Facility Affiliation Data lists Wai Yim Lam 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 Wai Yim Lam is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Wai Yim Lam as a member of these groups (CMS data updated October 2, 2026).

  • TMH Physician Associates PLLC1,690 clinicians in the group
  • Houston Methodist Specialty Physicians1,528 clinicians in the group

Specialties

Find other Hospice/Palliative Care doctors in Texas →

Other palliative care doctors in Sugar Land

Clinicians with the same Medicare primary specialty in Sugar Land, TX — not a recommendation.

All palliative care doctors in Sugar Land →

Other clinicians in TMH Physician Associates PLLC

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

Clinician information

CredentialMD
Medical schoolState University Of New York At Buffalo School Of Medicine
Graduation year2012 (14 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1194090431
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