P Praxis·MD
● Active Type 1 · Individual

DR. Leonard Hoyin Chow, MD

Internal Medicine·Houston, TX· NPI 1720254915 · Enumerated 2008 · 18 years on NPI
Chow is 1 of 247 internal medicine providers in Houston and 1 of 1318 in Texas.
NPI age
18 years
Enumerated 2008-05-07
Primary specialty
Internal Medicine
Plus 4 subspecialties
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2023-11-15
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org

How this provider compares

Across 1318 active internal medicine providers in Texas.

NPI age
18 years
≈ at median (18 yr)
State licenses
1 state
15% of peers hold multiple states
Subspecialties
4
In the 57% of peers with subspecialties

NPI lifetime · 2008 → 2026

2008-05Enumerated in NPPES
2008 2026

Where they practice

Practice location
6560 Fannin St Ste 1632
Houston, TX 770302734
📞 7132554000fax 7132554050
Mailing address
Po Box 4346, Dept 794
Houston, TX 772104346

Specialties

  • Internal Medicine Primary
    An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex...
    TX license #N7997 taxonomy 207RP1001X
  • Hospitalist
    Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term...
    TX license #N7997 taxonomy 208M00000X
  • Internal Medicine
    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
    TX license #BP10031985 taxonomy 207R00000X
  • Internal Medicine
    An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the...
    TX license #N7997 taxonomy 207RC0200X
  • Internal Medicine
    An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders....
    TX license #N7997 taxonomy 207RS0012X

Practice context

Part of a multi-provider practice. 8 other active providers share this practice address in NPPES.

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How to verify this provider

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Check the state license is currently active.State licensing boards publish current status; NPPES does not.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

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