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

Cynthia R Muller, MD

Individual provider Internal Medicine Physician · NPI 1689695561

Cynthia R Muller, MD is an Internal Medicine Physician in Dallas, Texas. Licensed in Texas. Registered with an NPI since 2006.

Licensed in
TX
In the registry since
2006
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

12221 Merit Dr Ste 1610
Dallas, TX 75251-2202
Phone: (214) 217-1900
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 L6122 (TX)

Record details

NPI number1689695561
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 23, 2006
Last updated in NPPESMarch 30, 2012

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