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Pulmonary Disease

Leonard H. Chow, MD

Works at hospitals in Houston, TX · Baytown, TX · Sugar Land, TX · Texas

Summary

Dr. Leonard H. Chow, MD is a pulmonologist at 6560 Fannin St, Suite 1632, Houston, TX 77030. Phone: (713) 255-4000. Accepts Medicare assignment. In 2024, Leonard H. Chow had 681 Original Medicare patients and 3,076 services. NPI 1720254915. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Leonard H. Chow, 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 Leonard H. Chow accept Medicare assignment?
Yes. Medicare's clinician data says Leonard H. Chow 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 Leonard H. Chow see?
In 2024, CMS data shows 681 Original Medicare patients and 3,076 services for Leonard H. Chow. This counts Original Medicare only and measures volume, not quality.
What is Leonard H. Chow's NPI number?
1720254915. 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 Leonard H. Chow, 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 patients681
Services billed to Medicare3,076
Different services or procedures43
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)672 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)441 services
  3. Critical care, first 30-74 minutes (99291)339 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)179 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)171 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 cholesterol75%
  • Ischemic heart disease62%
  • Arthritis55%
  • COPD52%
  • Heart failure52%

Hospitals where Leonard H. Chow works

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

Group practices

Medicare enrollment lists Leonard H. Chow as a member of this group (CMS data updated October 2, 2026).

  • Pulmonary Critical Care and Sleep Medicine Consultants, LLP7 clinicians in the group

Specialties

Find other Pulmonary Disease doctors in Texas →

Other pulmonologists in Houston

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

All pulmonologists in Houston →

Other clinicians in Pulmonary Critical Care and Sleep Medicine Consultants, LLP

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

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical School At San Antonio
Graduation year2008 (18 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1720254915
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