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

Dr. Robert Gary Mennel, MD

Individual provider Medical Oncology Physician · NPI 1265475677

Dr. Robert Gary Mennel, MD is a Medical Oncology in Dallas, Texas. Graduated from Perelman School of Med at the University of Pennsylvania in 1970, 56 years ago. Practices with Texas Oncology PA, a 1,005-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
56
Trained at
Perelman School of Med at the University of Pennsylvania
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

3410 Worth St
Dallas, TX 75246-2003
Phone: (214) 370-1000
Fax: (214) 370-1026
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence F6039 (TX)

Record details

NPI number1265475677
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 14, 2006
Last updated in NPPESOctober 26, 2011
Mailing addressPo Box 911230, Dallas, TX 75391-1230

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 1970 (56 years in practice)
Group practice Texas Oncology Pa — 1005 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

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