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

Dr. Mark Charles Vlasak, MD

Individual provider Internal Medicine Physician · NPI 1356341762

Dr. Mark Charles Vlasak, MD is an Internal Medicine in Collierville, Tennessee. Graduated from University of Texas Medical School at Houston in 1983, 43 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
43
Trained at
University of Texas Medical School at Houston
Licensed in
TN
In the registry since
2005
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

1164 W Poplar Ave
Collierville, TN 38017-3196
Phone: (901) 853-5551
Fax: (901) 853-7303
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD17221 (TN)

Record details

NPI number1356341762
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 28, 2005
Last updated in NPPESMay 21, 2008

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT HOUSTON
Graduated 1983 (43 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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