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Certified Registered Nurse Anesthetist (CRNA)

Carmelita Lam, CNA

Works at hospitals in Webster, TX · Texas

Summary

Carmelita Lam, CNA is a nurse anesthetist at 500 W Medical Ctr Blvd, Greater Houston Anesthesiology, Webster, TX 77598. Phone: (281) 332-2511. Accepts Medicare assignment. In 2024, Carmelita Lam had 35 Original Medicare patients and 36 services. NPI 1437258431. 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: Nurse anesthetist (Medicare lists Certified Registered Nurse Anesthetist (CRNA))
  • Address: 500 W Medical Ctr Blvd, Greater Houston Anesthesiology, Webster, TX 77598 · Directions (2 more locations)
  • Phone: (281) 332‑2511
  • Medicare: Accepts Medicare assignment
  • Hospital: HCA Houston Healthcare Clear Lake
  • Group practice: U S Anesthesia Partners of Texas, PA
  • School: graduated 1989
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Carmelita 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 Carmelita Lam accept Medicare assignment?
Yes. Medicare's clinician data says Carmelita 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 Carmelita Lam see?
In 2024, CMS data shows 35 Original Medicare patients and 36 services for Carmelita Lam. This counts Original Medicare only and measures volume, not quality.
What is Carmelita Lam's NPI number?
1437258431. 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 Carmelita 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 patients35
Services billed to Medicare36
Different services or procedures13
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Anesthesia for other procedure on lower abdomen (00840)14 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 cholesterol71%
  • Diabetes51%
  • Arthritis46%
  • Ischemic heart disease37%
  • Chronic kidney disease34%

Hospitals where Carmelita Lam works

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

Group practices

Medicare enrollment lists Carmelita Lam as a member of this group (CMS data updated October 2, 2026).

  • U S Anesthesia Partners of Texas, PA2,752 clinicians in the group

Specialties

Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Texas →

Other nurse anesthetists in Webster

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

All nurse anesthetists in Webster →

Other clinicians in U S Anesthesia Partners of Texas, PA

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

Clinician information

CredentialCNA
Graduation year1989
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437258431
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