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

John Darren Clark, MD

Individual provider Internal Medicine Physician · NPI 1528077112

John Darren Clark, MD is a Hospitalist in Arlington, Texas. Graduated from University of Texas Southwestern Medical School at Dallas in 1996, 30 years ago. Practices with Questcare Matrix PLLC, a 40-clinician group and accepts Medicare assignment. Licensed in Arkansas and Texas.

Years since qualifying
30
Trained at
University of Texas Southwestern Medical School at Dallas
Licensed in
AR, TX
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.

See every abbreviation used in this directory →

Practice location Address checks out

800 W Randol Mill Rd Ste 2300
Arlington, TX 76012-2504
Phone: (866) 202-1032
Fax: (817) 548-6649
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 M9928 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence E2554 (AR)

Record details

NPI number1528077112
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 5, 2006
Last updated in NPPESMay 26, 2009
Mailing address800 W Randol Mill Rd Ste 2300, Arlington, TX 76012-2504

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesHOSPICE/PALLIATIVE CARE
Medical schoolUNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Graduated 1996 (30 years in practice)
Group practice Questcare Matrix Pllc — 40 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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