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

John R Treer Jr., MD

Individual provider Internal Medicine Physician · NPI 1972521110

John R Treer Jr., MD is an Internal Medicine in Frisco, Texas. Graduated from University of Texas Southwestern Medical School at Dallas in 1997, 29 years ago. Practices with Texas Health Physicians Group, a 1,356-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
29
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.

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Practice location Address checks out

12950 Dallas Pkwy Ste 100
Frisco, TX 75033-4235
Phone: (972) 377-8695
Fax: (972) 377-8699
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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 K5418 (TX)

Record details

NPI number1972521110
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 17, 2006
Last updated in NPPESSeptember 27, 2021
Certification dateSeptember 27, 2021

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 1997 (29 years in practice)
Group practice Texas Health Physicians Group — 1356 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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