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

Dr. William Lee Mason, MD

Individual provider Pulmonary Disease Physician · NPI 1104981737

Dr. William Lee Mason, MD is a Pulmonary Disease Physician in Little Rock, Arkansas. Licensed in Arkansas. Registered with an NPI since 2006.

Licensed in
AR
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.

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Practice location Address checks out

Pob 1437 Slot H-61 Arkansas Dept OF Health
Little Rock, AR 72203-1437
Phone: (501) 280-4127
Fax: (501) 280-4140
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Public Health & General Preventive Medicine Physician (primary) Taxonomy 2083P0901X · Licence C-4212 (AR)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence C-4212 (AR)

Record details

NPI number1104981737
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 26, 2006
Last updated in NPPESSeptember 11, 2025

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