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

Dr. David Irvin Williams, MD

Individual provider Pulmonary Disease Physician · NPI 1023376878

Dr. David Irvin Williams, MD is a Pulmonary Disease in Memphis, Tennessee. Graduated from University of Tennessee, Hsc, College of Medicine in 2012, 14 years ago. Practices with Mid-South Pulmonary Specialists PC, a 47-clinician group and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
14
Trained at
University of Tennessee, Hsc, College of Medicine
Licensed in
TN
In the registry since
2012
Specialties on file
3
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 38157-0800
Phone: (901) 333-8443
Fax: (901) 274-2033
Show map & directions

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

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence 52754 (TN)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 52754 (TN)
Sleep Medicine (Internal Medicine) Physician Taxonomy 207RS0012X · Licence 52754 (TN)

Record details

NPI number1023376878
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 30, 2012
Last updated in NPPESJune 7, 2021
Certification dateJune 7, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolUNIVERSITY OF TENNESSEE, HSC, COLLEGE OF MEDICINE
Graduated 2012 (14 years in practice)
Group practice Mid-South Pulmonary Specialists Pc — 47 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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