LOCAL HEALTHCARE PROVIDERS
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138 providers
Availability last updated 08/30/2025
Joan Ardavanis
Family Physician
8952 E Desert Cove Avenue
Suite 203
Scottsdale, AZ 85260
Pam Schillar, a highly experienced Certified Registered Nurse Anesthetist (CRNA) relocated to Cave
Creek, AZ from Sandpoint, ID, bringing with her a wealth of knowledge and a deep commitment to
providing exceptional anesthesia care.
Pam grew up on a wheat farm in Ritzville, WA, a small community in Eastern Washington. She earned
her Bachelor’s Degree in Nursing from Eastern Washington University in May 1981 and began her career
as an RN at Sacred Heart Medical Center in Spokane, WA, initially working on a surgical floor. Pam later
transitioned to the Cardio-thoracic ICU, where she specialized in recovering heart and lung patients.
During this time, she had the opportunity to work closely with CRNAs who specialized in heart and lung
anesthesia, sparking her interest in furthering her education in this field.
In January 1991, Pam joined the United States Air Force as a commissioned officer. After two years in
the Medical ICU, she was accepted into the USAF CRNA program. The Air Force sent Pam to the
University of Texas Health Science Center, where she earned her Master’s Degree in Nursing with a
focus on anesthesia in 1996. Pam has been board certified since October 1996, and over the years, she
has gained extensive experience providing anesthesia services to patients of all ages in a variety of
settings.
For the past 19 years, Pam worked at Bonner General Hospital, a critical access hospital in Sandpoint, ID,
where she provided anesthesia care in a busy surgical services department. Pam enjoyed serving a tight-
knit community, caring for multiple generations of families. However, after years of long winters, Pam
decided to relocate to the Valley, a place she has always loved.
Pam is excited about the opportunities for both personal and professional growth in Arizona. In her free
time, she enjoys golfing, hiking, and taking in the breathtaking desert landscapes and sunsets. She also
enjoys the vibrant culture of the area, from local sports teams and spring training to excellent
restaurants and art and music festivals.
Pamella Schillar, CRNA
Certified Registered Nurse Anesthetist
8997 E. Desert Cove Ave.
Floor 1
Scottsdale, AZ 85260
Jessica is a board certified Physician Assistant. She completed her Bachelor of Science in Biology and Chemistry from the University of Sioux Falls, followed by her Master of Science in Physician Assistant Studies at Union College in 2009. She spent over 8 years in the field of Family Medicine prior to specializing in Pain Management and Rehabilitation. Her time spent in primary care was essential to develop her understanding of acute and chronic pain, including its potentially debilitating effects. Jessica believes in building trusting relationships with her patients, and does this by listening and providing a comprehensive plan of care. She believes in teaching and empowering patients to make lifestyle changes, in conjunction with medical treatments, to take control of their pain.
Jessica Kappes, MPAS, PA-C
Physician Assistant
963 N. McQueen Road
Chandler, AZ 85225
Kathy Nafisi, FNP-C
Family Physician
855 E Brown Rd Ste 10
Mesa, AZ 85203
Karem Colindres, DO comes to Grayhawk with over 10 years of experience in a combination of Pediatric Medicine, Family Medicine, Occupational Medicine and Emergency Medicine. A United States Army Veteran, she graduated from New York College of Osteopathic Medicine, making the National Dean List. Dr. Colindres belongs to several professional organizations including the American Academy of Lifestyle Medicine, American Academy of Family Physicians, American Academy of Pediatrics and many more, giving her a broad spectrum of expertise.
Musculoskeletal medicine is a strong component and foundation to osteopathic medicine. Dr. Colindres says that with her background in emergency medicine and my osteopathic medical training, she carries with her a strong foundation in both realms of medicine treating the patient as a whole person in body, mind, and spirit.
Additionally, Dr. Colindres is DOT certified, AZ POST certified and certified in Aesthetic Medicine, bringing a versatile skillset to her patients. Dr. Colindres is very excited to join a Top Doc practice and offer concierge medicine at Grayhawk as she feels she can use her skillset to its full capacity to care for the patients in our community, all in one setting. Her philosophy is to treat the patients with the utmost respect while practicing beyond the standard of care for the wellbeing and preventative measures in family medicine.
In her free time, Dr. Colindres loves spending time with family traveling, and at times do some solo traveling. As a family, she loves going on weekend getaways to nearby areas in Arizona such as Sedona, Payson and Pine or Pinetop and Flagstaff during the winter. She really enjoys live music and the various arts. She goes on a “Girls Trip” at least once a year and goes to museums and concerts. She loves adventuring and seeing new places and trying out new foods and cuisines.
Karem Colindres, DO
Pediatrician
10051 E Dynamite Blvd
Suite 110
Scottsdale, AZ 85262
Cheryl Simmons, FNP
Family Physician
2680 S. Val Vista Dr.
Bldg 15 Ste 185
Gilbert, AZ 85295
Laura Hafez, FNP
Family Physician
6242 E Arbor Ave Ste 118
Mesa, AZ 85206
Michelle Correa, DNP, FNP-BC
Family Physician
6242 E Arbor Ave Ste 118
Mesa, AZ 85206
Jennifer Weltsch, FNP
Family Physician
6242 E Arbor Ave Ste 118
Mesa, AZ 85206
Pam Schillar, a highly experienced Certified Registered Nurse Anesthetist (CRNA) relocated to Cave
Creek, AZ from Sandpoint, ID, bringing with her a wealth of knowledge and a deep commitment to
providing exceptional anesthesia care.
Pam grew up on a wheat farm in Ritzville, WA, a small community in Eastern Washington. She earned
her Bachelor’s Degree in Nursing from Eastern Washington University in May 1981 and began her career
as an RN at Sacred Heart Medical Center in Spokane, WA, initially working on a surgical floor. Pam later
transitioned to the Cardio-thoracic ICU, where she specialized in recovering heart and lung patients.
During this time, she had the opportunity to work closely with CRNAs who specialized in heart and lung
anesthesia, sparking her interest in furthering her education in this field.
In January 1991, Pam joined the United States Air Force as a commissioned officer. After two years in
the Medical ICU, she was accepted into the USAF CRNA program. The Air Force sent Pam to the
University of Texas Health Science Center, where she earned her Master’s Degree in Nursing with a
focus on anesthesia in 1996. Pam has been board certified since October 1996, and over the years, she
has gained extensive experience providing anesthesia services to patients of all ages in a variety of
settings.
For the past 19 years, Pam worked at Bonner General Hospital, a critical access hospital in Sandpoint, ID,
where she provided anesthesia care in a busy surgical services department. Pam enjoyed serving a tight-
knit community, caring for multiple generations of families. However, after years of long winters, Pam
decided to relocate to the Valley, a place she has always loved.
Pam is excited about the opportunities for both personal and professional growth in Arizona. In her free
time, she enjoys golfing, hiking, and taking in the breathtaking desert landscapes and sunsets. She also
enjoys the vibrant culture of the area, from local sports teams and spring training to excellent
restaurants and art and music festivals.
Pamella Schillar, CRNA
Certified Registered Nurse Anesthetist
7436 E. Main St.
Mesa, AZ 85207
Mrs. Bernadette Crovedi, NP-C
Family Physician
1821 N Trekell Rd Ste 3
Casa Grande, AZ 85122
Dr. Ricardo La Grotta, MD is a primary care physician. He serves patients at HealthyU Clinics at our Chandler, Arizona clinic.
With over two decades of medical experience, Dr. La Grotta brings his passion and commitment to HealthyU Clinics. Motivated by the organization's dedication to prioritizing patients, he joins with enthusiasm and a belief that the clinic is truly upholding the oath in primary care by putting people first.
Having spent his formative years in diverse regions such as South America, the Caribbean, and the Pacific Northwest, Dr. La Grotta has cultivated a unique perspective. His focus on Primary Care and Urgent Care stems from a seamless blend of practical experience and scientific knowledge.
Although his family has been in the Pacific Northwest for four decades, Dr. La Grotta eagerly embraces Arizona as his new home. He looks forward to immersing himself in the beauty of the state, connecting with its vibrant communities, and indulging in the rich gastronomy that Arizona has to offer.
Dr. Ricardo La Grotta, MD
Family Physician
13026 W Rancho Santa Fe Blvd
C-100
Avondale, AZ 85392
Daniel Talamo, DO, is a primary care physician. He serves patients at HealthyU Clinics at our Avondale, Arizona, clinic.
Dr. Talamo began his professional career with Adelante Healthcare in Goodyear, Arizona, where he worked for two years. In 2021, he joined Amwell Medical Group and then in 2022, he joined HealthyU Clinics at their first clinic in Avondale, Arizona.
Before working as an osteopathic medical doctor, Dr. Talamo attended Binghamton University in New York, receiving his bachelor's degree in cell and molecular biology. After graduating, Dr. Talamo graduated from the NYIT College of Osteopathic Medicine in Old Westbury, New York, and completed his family medicine residency at Houston Medical Center in Georgia in 2019.
In his free time, Dr. Talamo enjoys exercising and working out. After work, you can find him boxing/kickboxing. On the weekends, you can find him hiking or preparing for his next half marathon. He also enjoys traveling, trying new foods, plant care, baking, and spending time with his family in Arizona and New York.
Dr. Daniel Talamo, DO
Family Physician
13026 W Rancho Santa Fe Blvd
C-100
Avondale, AZ 85392
Siomara Hercules is a certified Nurse Practitioner with over eight years of nursing experience in orthopedic trauma, palliative care, and colorectal surgery. Her diverse clinical background has shaped her into a well-rounded provider who approaches patient care with empathy, attention to detail, and a deep respect for each individual’s unique health journey.
Siomara earned her Bachelor of Science in Nursing from Grand Canyon University and her Master of Science in Nursing from United States University. She chose to specialize in urology because of her passion for helping patients feel comfortable, informed, and empowered—especially when navigating personal and often sensitive health concerns.
Fluent in both English and Spanish, Siomara is committed to creating a welcoming and inclusive environment for all patients.
Outside of work, Siomara is a proud mom of three and can often be found cheering from the sidelines at her kids' sports games or exploring new restaurants around town. She brings the same energy, warmth, and curiosity to her personal life as she does to every patient encounter.
Siomara Hercules, FNP
Nurse Practitioner
13555 W. McDowell Rd.
Suite 302
Goodyear, AZ 85395
Carla is an enthusiastic Board Certified Physician Assistant who works closely with Dr. Bashir. Carla is an Arizona native and completed her undergraduate education, locally, at the University of Arizona, graduating with a Bachelor of Science in Physiology. She then earned her Master’s degree in Physician Assistant studies from Creighton University in Omaha, Nebraska. She developed a strong interest in cardiology during PA school and is enthusiastic about learning all there is in cardiac care. In her free time, Carla enjoys playing tennis, hiking, traveling, and skiing.
Carla Poplawsky, PA
Physician Assistant
700 N. Estrella Parkway
Suite 130
Goodyear, AZ 85338
John Monroe, MD, founded Healthy Life Family Medicine in Goodyear, Arizona, in 2007. As a board-certified family physician, Dr. Monroe provides compassionate, patient-focused care to people of all ages. He’s committed to helping families in and around the communities west of Phoenix improve and protect their health.
Dr. Monroe completed his undergraduate studies at Arizona State University in Tempe. He went on to earn his Doctor of Medicine at the University of Arizona in Tucson. Dr. Monroe served his family medicine residency at Banner Good Samaritan Medical Center in Phoenix, including a year as chief resident. He’s certified by the American Board of Family Medicine.
Dr. Monroe diagnoses, treats, and manages a wide range of health concerns such as high blood pressure, diabetes, and back and joint pain. He also offers physical exams and acute medical care for illnesses and injuries. Dr. Monroe also provides chronic care services to help patients manage chronic diseases and maintain their health and quality of life.
Dr. John Monroe, MD
Family Physician
750 North Estrella Parkway
Suite 40
Goodyear, AZ 85338