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

Stephen R McMahon, MD

Individual provider Internal Medicine Physician · NPI 1225098957

Stephen R McMahon, MD is an Internal Medicine in Kaufman, Texas. Graduated from University of Texas Southwestern Medical School at Dallas in 1976, 50 years ago. Practices with Texas Health Physicians Group, a 1,356-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
50
Trained at
University of Texas Southwestern Medical School at Dallas
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

850 ED Hall Dr
Kaufman, TX 75142-1861
Phone: (972) 932-7349
Fax: (972) 932-7273
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 E6514 (TX)

Record details

NPI number1225098957
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 25, 2006
Last updated in NPPESDecember 23, 2020
Certification dateDecember 23, 2020
Mailing address850 Ed Hall Dr, Kaufman, TX 75142-1861

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Graduated 1976 (50 years in practice)
Group practice Texas Health Physicians Group — 1356 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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