
ABOUT US
We specialize in the diagnosis and treatment of Endocrine Diseases, Diabetes Mellitus, Hormone, and Metabolic Disorders such as:
- Diabetes Mellitus – Type 1 and Type 2, Gestational Diabetes, including complications such as nerve, eye and kidney damage
- Thyroid diseases, including hypothyroidism, hyperthyroidism, thyroid nodules, and thyroid cancer
- Calcium and parathyroid glands disorders
- Osteoporosis
- Obesity and weight management
- Disorders of the pituitary gland
- Cholesterol metabolism disorders
- Hormone replacement therapy and related sexual dysfunction in men and women
- Transgender medicine
- Adrenal insufficiency, adrenal tumors and hormone-induced hypertension
Dr. Carlos Arauz-Pacheco
MD
Biography
Specialties
Internal Medicine
Certifications
Board Certification by the American Board of Endocrinology, Diabetes and Metabolism
Board Certification by the American Board of Internal Medicine
Languages
Bilingual – English, Spanish
Dr. Dan Lender
MD
Biography
Specialties
Internal Medicine
Certifications
Board Certification by the American Board of Endocrinology, Diabetes and Metabolism
Board Certification by the American Board of Internal Medicine
Languages
Bilingual – English, Spanish
Dr. Erin Roe
MD, MBA, FACP
Biography
Specialties
Internal Medicine
Certifications
Board Certification by the American Board of Endocrinology, Diabetes and Metabolism
Board Certification by the American Board of Internal Medicine
Dr. Carlos Arauz
Biography
Carlos is a medical doctor graduated from the University of Medical Sciences (UCIMED) in Costa Rica in 2021. He is currently the clinical research manager at DECCT, and has experience in endocrinology research. He worked as a physician intern in endocrinology and internal medicine, surgery, pediatrics, obstetrics & gynecology, and family/community medicine at the various public hospitals throughout Costa Rica as well as at Hennepin County Medical Center in Minnesota.
Specialties
Certifications
Bachelors in Medical Sciences, 2016
Good Clinical Practice Certification, 2021
Licensed in Medicine & Surgery (Costa Rica)
Pauline Hender Pagel
RN, MSN, FNP-C
Biography
Polly began focusing on the care of adults with Diabetes in 1997 when she created a Diabetes Education Program in a Community Clinic at Parkland Hospital. After spending several years in the Diabetes Clinic at Parkland Hospital, she joined the Medical Practice of Dr. Arauz Pacheco and Dr. Dan Lender with a mission of educating her patients and assisting in their care.
Her goal is to see each patient as an individual and work together to find a plan of care that improves their health and wellbeing.
Specialties
Family Nurse Practitioner specializing in the Care of Adults.
Certifications

Trusted By Patients
Dallas
12606 Greenville Ave, #215
Dallas TX 75243
Hours: Mon-Thu 8:00 am-5:00 pm
Fri: 8:00 am-Noon
(214) 660-2020
(214) 660-2017 fax
Rockwall
890 Rockwall Pkwy, #102
Rockwall TX 75032
Hours: Mon-Thu 8:00 am-5:00 pm
Fri: 8:00 am-noon
(972) 475-5600
(972) 475-5668 fax