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BIOGRAPHY

Dr. Nagaiah received his medical degree from MGR Medical University in India and has been in practice for more than 20 years. His residency and internship were completed at Mercy Catholic Medical Center in Pennsylvania, and he completed a fellowship at West Virginia University. He earned a Masters in Clinical Research from the MGH Institute of Health Professions in Boston. Dr. Nagaiah has expertise in treating lymphoma, lung cancer, and breast cancer, among other conditions.

PHILOSOPHY

I believe that being an oncologist is a privilege that is not to be taken lightly. I strive to provide evidence-based care that is appropriate to my patients’ particular problem, recognizing and respecting individual patient’s wishes. I take a multidisciplinary approach to care, including alternative therapies that have been shown to be effective.

RESEARCH PUBLICATIONS

1. Nagaiah G, Hossain A, Mooney CJ, Parmentier J, Remick SC. Anaplastic thyroid cancer: A review of epidemiology, pathogenesis, and treatment. J Oncol.2011;2011:542358.
   2. Batalo M, Nagaiah G, Abraham J. Cognitive dysfunction in postmenopausal breast cancer patients on aromatase inhibitors. Expert Rev Anticancer Ther.2011;11(8):1277-1282.
   3. Nagaiah G, Remick SC. Combretastatin A4 phosphate: A novel vascular disrupting agent. Future Oncol. 2010;6(8):1219-1228
   4. Mooney CJ, Nagaiah G, Fu P, et al. A phase II trial of fosbretabulin in advanced anaplastic thyroid carcinoma and correlation of baseline serum-soluble intracellular adhesion molecule-1 with outcome. Thyroid. 2009;19(3):233-240.
   5. Nagaiah G, Almubarak M, Khan M, Altaha R. Cerebrospinal fluid leak during treatment with bevacizumab and irinotecan after carmustine-impregnated wafers placement in patients with grade 2 oligodendroglioma and glioblastoma multiforme: Report of two cases and review of literature. Cancer Invest. 2010;28(10):1048-1053

LinkedIn:

https://www.linkedin.com/in/govardhanan-n-ab26a97/

Dr. Ertz-Archambault is triple board-certified in Hematology, Medical Oncology, and Internal Medicine, dedicated to providing expert and compassionate care to patients facing blood disorders and cancers, with a special emphasis in breast cancer.

Dr. Ertz-Archambault has dedicated her career to serving the Phoenix cancer community. She spent over four years caring for the underserved cancer population at Valleywise Health, where she partnered with the breast cancer team honored with The Spirit of Healing Award from the Cancer Support Community of Arizona in 2022. Her commitment extends beyond the clinic through volunteer work, charity educational programs, and quality improvement initiatives for underserved cancer patients.

Dr Ertz-Archambault is an active member of the American Society of Clinical Oncology and the American Society of Hematology. She also serves as an Assistant Clinical Professor at Creighton University, Phoenix School of Medicine, mentoring the next generation of physicians.
Outside of medicine, she enjoys painting, gardening, and spending time with her family

Srinivasa R. Palnati, M.D. was born in Venice Itlay. He perused his medical degree at the college of DR Ambedkar Bangalore, graduating in 1988. He completed his Internal Medicine residency at St. Louis University Community Hospital, MO. Srinivasa R. Palnati has been in private practice for over 20 years in Sun City and has been with The Maxwell Group for 10 years.

He is married and blessed with 3 children. In his leisure time, Dr. Palnati enjoys spending time with his family, traveling and he also actively participates in community services.

Randall Piette, MD, is a skilled internal medicine physician at The Maxwell Group in Sun City, Arizona. He is board-certified in internal medicine through the American Board of Internal Medicine.

Dr. Piette was born in West Allis, Wisconsin, and attended the University of Wisconsin at Milwaukee. There, he earned his bachelor’s degree in medical science. Dr. Piette received his medical degree at the Medical College of Wisconsin in Milwaukee, graduating in 1997. 

He completed his internship and residency at Good Samaritan Regional Medical Center in Phoenix, Arizona. He has a passion for geriatric medicine and has been in private practice for over 25 years. He joined The Maxwell Group in 2000.

Dr. Piette enjoys helping his patients achieve the best quality of life possible. He holds leadership positions on various medical committees and boards.

Dr. Piette enjoys spending time with his wife and two beautiful children, traveling, golfing, and hiking in his free time. He loves music and being a drummer in his church’s praise and worship band.

Dr. Piette warmly welcomes his patients to The Maxwell Group and looks forward to helping them maintain exceptional health and wellness.

Kishlay Anand, MD, MS, FHRS, is a founding partner of AZ Cardiology, which has locations in Peoria, Prescott, Cottonwood, Flagstaff, and Prescott Valley. He is also a board-certified cardiologist and cardiac electrophysiologist with over 15 years of experience. He is dedicated to advancing the field of cardiology, having contributed to numerous peer-reviewed journals and delivered research presentations at both national and international conferences. Dr. Anand's commitment to patient care and innovation is matched by his entrepreneurial spirit, as seen through his leadership in voluntary health initiatives.

Dr. Anand graduated from the prestigious All India Institute of Medical Sciences (AIIMS) in New Delhi, India. He furthered his education by earning a master's degree in epidemiology from Columbia University in New York. Dr. Anand completed his internal medicine residency and cardiology fellowship at Creighton University in Nebraska, followed by specialized training in cardiac electrophysiology at the University of California, San Diego.

With a focus on cardiac electrophysiology, Dr. Anand specializes in the diagnosis and treatment of heart rhythm disorders. His expertise extends beyond clinical care, as he has made significant contributions to health awareness and patient welfare through his work with Prayatna, a voluntary organization. Dr. Anand's dedication to improving patient outcomes is evident in both his clinical work and his passion for advancing the field of cardiology.

At AZ Cardiology, you’ll find thoughtful, timely care for every stage of heart health. Our team listens, explains your options clearly, and handles most testing on site—so you get answers without extra trips. Same-week appointments are often available at our Peoria, Prescott, Cottonwood, Flagstaff, and Prescott Valley clinics.

If you’re experiencing chest pain, shortness of breath, or palpitations, we’re here to help you understand what’s going on. Same-week evaluations and on-site testing mean you won’t wait long for answers or a plan.

Led by Kishlay Anand, MD, MS,, AZ Cardiology is dedicated to delivering premier cardiovascular care to patients across Arizona. With offices in Peoria, Prescott, Cottonwood, Flagstaff, and Prescott Valley, we are proud to serve our communities with compassion, expertise, and innovation.

Our mission is simple yet powerful: to provide timely, patient-centered, and comprehensive cardiovascular care while advancing the science of heart health.

We specialize in the diagnosis and treatment of conditions such as atrial fibrillation, congestive heart failure, heart disease, high blood pressure, and vascular disease. From identifying the cause of chest pain or dizziness to performing advanced procedures like pacemaker implantation, stress testing, and cardiac monitoring, our team is committed to guiding patients from prevention through advanced therapies.

At AZ Cardiology, we understand that access matters. We strive to schedule new consultations within one week, offering in-house diagnostic testing and state-of-the-art treatments to ensure care is both efficient and effective.

Our commitment to advancing care extends beyond the clinic. Through our sister organization focused on clinical research, we actively participate in cutting-edge trials that bring the latest innovations to our patients. We also believe in strengthening the broader healthcare community, and our cardiologists are developing continuing medical education (CME) opportunities to support primary care providers across the region.

Above all, communication, compassion, and quality guide everything we do. From the moment you call our office, you’ll connect with a live, caring team member ready to help. We work diligently to keep wait times short and deliver the highest level of care to every patient, regardless of background.

AZ Cardiology — leaders in heart health, committed to your care.

 Call your nearest AZ Cardiology office or book an appointment online at www.azcardiology.com today.

Leon Thompson, DO, is an experienced internal medicine physician at Thompson Medical Group in Peoria, Arizona. He provides comprehensive care to adults of all ages living with conditions ranging from heart disease and diabetes to memory loss. He supports people with personalized chronic disease management and weight management programs.

Dr. Thompson is a native of Arizona. He attended St. Matthew Catholic School in Phoenix, Arizona, and graduated from St. Mary’s Catholic High School, also in Phoenix. Dr. Thompson completed his undergraduate studies at Arizona State University in Phoenix and attended medical school at the Western University of Health Sciences, College of Osteopathic Medicine of the Pacific in Pomona, California.

After graduating with a Doctorate in Osteopathic Medicine, Dr. Thompson completed his internship and residency at St. Joseph’s Hospital and Medical Center in Phoenix, Arizona. He completed an American College of Osteopathic Internists fellowship and is board-certified in internal medicine.

Dr. Thompson welcomes patients to Thompson Medical Group, where they can be sure of outstanding care delivered in a professional and respectful environment.

Dr. Divyashree Varma is a Clinical Cardiac Electrophysiologist based in Phoenix, Arizona, where she has been in practice since 2020. Born in India and raised in New Delhi, Dr. Varma completed her medical education at Padmashree Dr. D. Y. Patil Medical College in Navi Mumbai, Maharashtra, graduating as Valedictorian with honors in all subjects.

She moved to the United States for advanced training, completing her Internal Medicine residency at SUNY Upstate Medical University in Syracuse, New York, followed by a Cardiovascular Diseases Fellowship at UT San Antonio. She then pursued subspecialty training in Clinical Cardiac Electrophysiology at William Beaumont Hospital in Michigan.

Dr. Varma specializes in the full spectrum of cardiac electrophysiology, including complex catheter ablations, cardiac device implantation, left atrial appendage occlusion (LAAO), and the diagnosis and management of channelopathies and genetic arrhythmia disorders. Her professional interests focus on patient-centered clinical care and clinical research aimed at advancing treatments for cardiac arrhythmias. Outside of medicine, Dr. Varma enjoys spending time with her family and her dogs. She also enjoys cooking and gardening.

Dr. Kamalani Hanamaikai, DO, is a distinguished board-certified Diplomate of the American Board of Radiology, specializing in Vascular and Interventional Radiology. He is currently serving patients at HealthyU Clinics, with locations in Surprise, Paradise Valley, and Gilbert, Arizona.

 

Born and raised in Provo, Utah, Dr. Hanamaikai is of Hawaiian, Japanese, and Navajo descent, enriching his perspective and approach to patient care. He is fluent in Spanish, a skill honed during his LDS mission in Montevideo, Uruguay. After earning his undergraduate degree from Brigham Young University in Provo, Utah, he pursued his medical education at the A.T. Still University College of Osteopathic Medicine in Mesa, Arizona, graduating in 2014.

 

Dr. Hanamaikai furthered his medical training at The University of Arizona in Tucson, where he completed his internship in Internal Medicine, Residency in Diagnostic Radiology, and Fellowship in Vascular and Interventional Radiology. He has developed expertise in a wide range of advanced Interventional Radiologic procedures, including atherectomy, interventional oncology, interventional pain, vertebral augmentation, musculoskeletal procedures, trauma management, and many other advanced Interventional Radiologic procedures.

 

Beyond his clinical practice, Dr. Hanamaikai is passionate about education and knowledge sharing. He serves as a professor of Medical Imaging and Anatomy at his alma mater, A.T. Still University. He has also been a Grand Rounds speaker at The University of Chicago in 2022 and a keynote speaker at the Radiology Expo 2022, where he shared his journey and passion for Radiology.

 

As a member of the American College of Radiology, Society of Interventional Radiology, and Outpatient Endovascular and Interventional Society, Dr. Hanamaikai is committed to staying at the forefront of his field. His unique blend of cultural and professional expertise in Diagnostic and Interventional Radiology allows him to provide empathetic, comprehensive, personalized care to his patients. He is dedicated to incorporating the latest advancements in his field to ensure his patients receive the highest standard of care.

Dr Deborah Dykema founded The Wellness Center and The Pilot Center and advocates healthy lifestyle choices for her patients and pilots. She is a Board Certified physician and a Commercial rated pilot focusing on providing pilot Flight Medicals and Consults to the aviation community.

Vikas Sayal, MD, FCCP, is board certified in Pulmonary medicine, and Critical Care medicine and experienced in Sleep medicine for 15 years. He’s the founder of Pulmonology Group- Lung Specialist in Las Vegas, Henderson, Nevada and Bullhead City, Arizona, a medical practice that specializes in treating the full range of lung and respiratory conditions. Dr. Sayal is also on staff at most hospitals in the area and serves as a intensivist and pulmonologist at different hospitals.

Dr. Sayal trained at the world-renowned Yale University, where he received fellowship training in Pulmonary medicine, then went on to complete his fellowship in Critical Care at the Albert Einstein College of Medicine. He did his transitional year residency at Tufts University, followed by an Internal medicine residency at Saint Barnabas Medical Center in New Jersey.

Dr. Sayal has extensive experience in pulmonary and critical care at several hospitals and currently serves as Chair of Pulmonary and Critical Care services at Western Arizona Regional Medical Center, Bullhead City, AZ .

He’s the author of numerous research papers and articles and continues to serve in various leadership roles.

Comprehensive Pulmonary, Sleep & Allergy Services

At our clinic, we provide world-class respiratory, sleep, and allergy care under the expert leadership of Vikas Sayal, MD, FCCP. Dr. Sayal brings a distinguished pedigree of medical excellence to our practice, having completed his training at prestigious institutions including Yale University, Tufts University, and the Albert Einstein College of Medicine.

Before founding Pulmonology Group LLC, Dr. Sayal held key leadership roles, including Chief of Pulmonology and Critical Care at the VA Hospital in Des Moines, IA, and Founding Director of ICU position at Mercy Medical Center in Rogers, AR and ICU director at Valley View Medical Center, Fort Mohave, AZ.

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Our Specialized Services

We offer an all-encompassing suite of diagnostic and treatment options, ensuring you receive advanced care under one roof.

Advanced Respiratory Care

• PFT Testing: Full pulmonary function testing to measure lung capacity and health.

• Asthma Management: Expert care for advanced asthma, including injectables and monoclonal antibodies.

• Chronic Condition Management: Specialized treatment for Pneumonia, Pulmonary Fibrosis, and Pulmonary Hypertension.

• Lung Cancer & Nodules: Early diagnosis and advanced technology for lung nodule follow-up.

• Bronchoscopy: Diagnostic procedures to visualize the airways.

• Allergy & Immunology

  • Skin Allergy Testing: Precise, in-house testing to identify environmental and food triggers.

  • Allergy Management: Comprehensive care plans tailored to your specific sensitivities.

  • Oral Treatments: Advanced oral therapies to manage and reduce allergic reactions effectively.

Sleep Medicine & Therapy

• Sleep Studies: Both in-lab and Home Sleep Study options available.

• CPAP Support: Comprehensive CPAP orders and personalized mask adjustments for maximum comfort.

• Inspire Evaluation: Specialized screening for the Inspire sleep apnea implant.

In-House Diagnostic Imaging

• Echocardiograms: To monitor the vital link between heart and lung health to diagnose and manage Pulmonary Hypertension.

• Ultrasound of Legs: Screening for vascular issues related to pulmonary health.

• Advanced Bronchoscopy: Including EBUS and Robotic Ion Bronchoscopy for high-precision diagnostics for lung masses and diagnosis of cancers and increased size of the glands in the chest in a less invasive manner. This is state of the art procedure performed by our providers.

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Innovation on the Horizon

We are committed to staying at the forefront of medical technology. We are excited to announce that our facility will soon be offering:

• In-House Imaging coming soon: Dedicated CT and PET Scans for faster, streamlined treatment planning and less hassle to the patients.

Our Mission: To combine Ivy League-level expertise with a patient-first approach, ensuring every breath you take is a healthy one.

Lauren Havard, MD, is a family medicine and primary care physician. She serves patients at HealthyU Clinics at our Phoenix, Arizona, clinic. 

Dr. Havard joined HealthyU Clinics in 2021. She previously worked as an outpatient family physician at two Banner Medical Group clinics in Phoenix, Arizona. She also worked at Banner Boswell Medical Center in Sun City, Arizona, mid-pandemic, as a hospitalist. 

Dr. Havard completed her residency at Abrazo Central Family Medicine Residency Clinic in Phoenix, Arizona. She attended medical school at the American University of the Caribbean School of Medicine in St. Marteen. 

During medical school, she spent her third year in Chichester, England (where she met her husband), and her fourth year in the United States.  

Dr. Havard and her husband love spending time with their dog Lily, playing co-ed soccer, hiking, working out, listening to music, watching binge-worthy shows, and most importantly spending time with friends and family.