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

Individual provider Internal Medicine Physician · NPI 1831144534

Dr. Andrew David Merkin, MD is an Internal Medicine in Mesquite, Texas. Graduated from University of Texas Medical Branch at Galveston in 1979, 47 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
47
Trained at
University of Texas Medical Branch at Galveston
Licensed in
TX
In the registry since
2006
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

2692 N Galloway Ste 403
Mesquite, TX 75150
Phone: (972) 686-9339
Fax: (972) 686-9799
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence F4278 (TX)

Record details

NPI number1831144534
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 23, 2006
Last updated in NPPESSeptember 15, 2008
Mailing address2692 N Galloway, Suite 403, Mesquite, TX 75150

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON
Graduated 1979 (47 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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