Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William I Mariencheck, MD

Individual provider Pulmonary Disease Physician · NPI 1467432203

Dr. William I Mariencheck, MD is a Pulmonary Disease Physician in Memphis, Tennessee. Licensed in Tennessee. Registered with an NPI since 2006.

Licensed in
TN
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

5050 Poplar Ave Ste 800
Memphis, TN 38157-0101
Phone: (901) 276-2662
Fax: (901) 274-1871
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Sleep Medicine (Internal Medicine) Physician (primary) Taxonomy 207RS0012X · Licence 5396 (TN)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 5396 (TN)

Record details

NPI number1467432203
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 18, 2006
Last updated in NPPESNovember 12, 2019

Other providers in Memphis