About the Team

founder, Licensed Registered Nurse,

Licensed Supervising Psychologist

Nicole Keehn

RN, MS (N), PsyD

Favorites: running, biking, hiking, sailing, cooking, SEC football, spending time with my husband,
kids, friends, and extended family.

Next Goal: sprint triathlon.

As a licensed psychologist, Dr. Keehn has completed numerous clinical training hours under the direction of UTSW and Baylor Medical Center trained psychologists. She completed doctoral-level research at the TWU Stroke Center Dallas and is a published author in the field of psychology. Dr. Keehn presently acts as a consulting psychologist in the UTSW medical center for dementia/ aphasia research. She acted as an assistant director/ clinical supervisor in a nationally accredited APPIC training consortium and currently enjoys her work as a psychology post-doctoral supervisor. Dr. Keehn serves on the Board of Directors of the Telos Project and is Interim Clinical Director 2020-2021 for Donaldson Wellness Center.

As a licensed registered nurse, Dr. Keehn completed an advanced practice degree in nursing including a practicum at Children’s Medical Center. She has assisted with numerous clinical research trials in Houston and Dallas area medical centers. Dr. Keehn is a published author in the health care field and a seasoned professor of nursing.

It is important to Dr. Keehn and the other practitioners at Lokahi that our patients and students learn and grow from their experience with us. We provide education regarding symptomology, diagnoses, treatment, and provide extensive feedback regarding therapy and test results that are clear and understandable.

intern, dallas office manager

Kendrion Shawn Ferrell

BS, MS -Psychology

Favorites: Movies, Music, Quality Time, Spontaneous Adventures

Next goal: Obtain my master’s in clinical psychology to become a Licensed PA and later on obtain my PsyD to be a Licensed Psychologist

Kendrion has achieved a Bachelor Science in Psychology and is currently pursuing his Master of Science in Clinical Psychology.  He also works as the office manager and psychometrist at Lokahi Life Center.  

He is comfortable working with adolescent and adult patients who are dealing with all kinds of challenges including anxiety, depression, executive functioning problems, and adjustment difficulties. Kendrion works closely with Dr. Keehn to provide testing and assessments for all age groups in the domains of Autism, executive functioning problems, cognitive disorders, mood disorders, and learning disabilities. His goal is to make sure that all of the patients of Lokahi Life feel heard and to know that we will partner with them to find solutions and improvements. His uplifting spirit allows him to be fully engaged with his patients and provides a safe environment for them to share their unique perspectives.

Kendrion enjoys spending time with family and serving his local community!

registered and licensed dietitian

Summer Lamons


Summer Lamons is a registered and licensed dietitian specializing in therapeutic and wellness nutrition counseling. Her personalized one-on-one approach is designed to serve individuals with a variety of health conditions including obesity, diabetes, and cardiovascular disease.

Summer received her undergraduate education from University of Tulsa and later achieved a Master of Science from the University of Oklahoma Health Sciences Center. She has worked clinically for the Baylor Health Care System and HCA Hospitals.

Currently, Summer is in private practice where she engages with various health and fitness organizations, corporations, and physician groups. She assists clients in reaching their goals through the development and implementation of individualized nutrition programs. Summer is in network with BCBS, United, and Medicare insurance plans.

In her spare time, Summer enjoys an active, outdoor lifestyle, as well as spending time with family and friends. She and her husband, Mike, live in the Dallas area.


MEDICAL BILLER

Andrea Rostamzada


Andrea Rostamzada is the founder and owner of Lone Star Revenue Cycle Management, a full service medical billing company providing services for providers in private practice throughout the US.

She has been in the medical billing industry since 2006. Andrea received her Bachelor’s in Psychology from Missouri State University and is a Certified Professional Biller and Certified Medical Reimbursement Specialist. She resides on a ranch in Caddo Mills, TX with her husband and 3 children.

In her free time, you can find her at the beach or cheering for her favorite sports team, the Kansas City Chiefs.

Connect with Andrea

Email:  [email protected]

Isaac Villafana

LMT, AFPA, P-DTR, NKT, MovNat, Z-Health


Isaac is a massage therapist and personal trainer with 10+ years of experience under his belt. From weight loss to strength training and injury prevention to sports performance he’s built a practice in which he integrates both aspects of his craft to help clients reach not only physical goals, but also actionable lifestyle changes for their health and wellness. Isaac graduated with a bachelors in Exercise Science at the University of Texas at Arlington and earned his License in Massage Therapy by way of Parker University. Outside of the traditional education system, Isaac has also supplemented his education in health and wellness by acquiring certifications in a variety of modalities which include: neurological techniques, advanced assessments in biomechanics, and innovative fitness practices. Currently, he practices out of a wellness facility called Greater Than Performance and Rehab. His hybrid approach to coaching clients has allowed him to develop valuable skills in building rapport and communication strategies with people from different cultural and socioeconomic backgrounds. This is why he believes focusing on the process will lead to longer-lasting results and consistency.

Beyond his current practice, Isaac also enjoys the artistic aspects of life and spends his spare time in the creative arts. He enjoys writing, filmmaking, and mix-media art like painting and drawing. His passion project called The Kilos Project, along with its accompanying podcast, this:undefined, documents his journey in combining both of his interests in fitness and art design. Its mission is simple, providing content in a way that educates and extracts the artistic aspects of fitness to a global audience. His strong interest in the arts ties with his intention to open a holistic hybrid fitness facility that mirrors an artistic approach that represents how we can build our health and wellness into a physical reality we can all replicate for ourselves. After his years in the fitness industry, in both a corporate and independent settings, he has gathered the right network and experience to know what dynamics work in order to make a holistic facility like this functional.

Currently, Summer is in private practice where she engages with various health and fitness organizations, corporations, and physician groups. She assists clients in reaching their goals through the development and implementation of individualized nutrition programs. Summer is in network with BCBS, United, and Medicare insurance plans.

In her spare time, Summer enjoys an active, outdoor lifestyle, as well as spending time with family and friends. She and her husband, Mike, live in the Dallas area.

To work with Isaac on personal training and massage therapy his practice is located at:

Greater Than Performance & Rehab

7035 Greenville Ave # 101, Dallas, TX 75231

Email: [email protected]

Intern, Front Office Manager

Olivia Lee, BA Business Administration

Olivia has a Bachelor's degree in Business Administration from Dallas Baptist University and is continuing school in January to get a masters in Christian Counseling from Dallas Baptist University. She now works at Lokahi as an intern office manager. In her free time, she enjoys watercolor painting, cooking, and hiking. watercolor painting, cooking, and hiking.


If you need assistance, feel free to email her at [email protected]

Therapy dogs provide relief to those in anxiety-provokingsituations, bring comfort to those who are grieving or lonely, and offeraffection to humans who are in institutions such as hospitals, nursing homes,and schools.

Denali has achieved AKC Good Citizen, AKC Community Canine, andAKC Urban CGC certifications. He has qualified for all three of the Certified AnimalAssisted Therapy programs in the state of Texas. Denali has a natural instinctand trained set of comforting tasks that have been helpful to our patients. Ifyou are in our office while he is there you may not even realize that he ispresent or if you’d benefit from his close presence or cuddle time, those arehis favorites.

“On Tuesday, Oct. 8, 2019, a new systematic review andanalysis of nearly 70 years of global research was published in “Circulation,”a Journal of the American Heart Association (AHA). The findings show owning adog is associated with a 24 percent lower risk of death for all causes,compared with not owning a dog. For individuals with previous heart attacks or strokes,the benefits are even greater — a 31 percent reduced risk of early death.” https://www.akc.org/expert-advice/news/studies-show-owning-dog-connected-to-living-longer/


“Dogs are reportedly able to reduce social isolation, anddog ownership is associated with a lower risk of depression. It has also beenshown that the presence of a dog attenuates blood pressure and heart rateresponse to stress in hypertensive patients.” https://www.ahajournals.org/doi/10.1161/CIRCOUTCOMES.118.005342