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

Dennis Roy Mendoza Ferrer, MD

Individual provider Internal Medicine Physician · NPI 1386750917

Dennis Roy Mendoza Ferrer, MD is an Endocrinology in Shenandoah, Texas. Qualified in 1991, 35 years ago. Practices with Kelsey-Seybold Medical Group, PLLC, a 942-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
35
Licensed in
TX
In the registry since
2006
Specialties on file
2
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

106 Vision Park Blvd
Shenandoah, TX 77384-3000
Phone: (713) 442-1800
Show map & directions

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

Additional practice locations (2)

  • 15655 Cypress Wood Medical Dr Ste 100, Houston, TX 77014-1487 — (713) 442-1700
  • 13105 Wortham Center Dr, Houston, TX 77065-5611 — (713) 442-4000

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence L6375 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence L6375 (TX)

Record details

NPI number1386750917
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 23, 2006
Last updated in NPPESJune 7, 2021
Certification dateJune 7, 2021

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Group practice Kelsey-Seybold Medical Group, Pllc — 942 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Shenandoah