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

Alexander H Tessnow, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1740255801

Alexander H Tessnow, MD is an Endocrinology in Dallas, Texas. Graduated from University of Texas Southwestern Medical School at Dallas in 1996, 30 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
30
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

5323 Harry Hines Blvd Mc 9302
Dallas, TX 75390-7201
Phone: (214) 645-2800
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence M7683 (TX)

Record details

NPI number1740255801
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 22, 2006
Last updated in NPPESDecember 4, 2013

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Graduated 1996 (30 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
Practice locations9 on file with Medicare

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