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

John Zell Sadler, MD

Individual provider Psychiatry Physician · NPI 1740242643

John Zell Sadler, MD is a Psychiatry in Dallas, Texas. Graduated from Indiana University School of Medicine in 1980, 46 years ago. Practices with University of Texas Southwestern Medical Center at Dallas, a 3,149-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
46
Trained at
Indiana University School of Medicine
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

5323 Harry Hines Blvd
Dallas, TX 75390-7208
Phone: (214) 648-5555
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence G6996 (TX)

Record details

NPI number1740242643
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 5, 2006
Last updated in NPPESMay 1, 2008

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1980 (46 years in practice)
Group practice University Of Texas Southwestern Medical Center At Dallas — 3149 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Dallas