(623)322-3380     (623)322-4399

About Us

Welcome to Pleasant Pediatrics! Our philosophy is to create a pleasant and congenial environment for patients and their parents. At Pleasant Pediatrics, “No question is a silly question.” Our physicians and staff will address your questions and concerns with utmost patience and care. Our team takes pleasure in helping your children grow physically, mentally and developmentally. At Pleasant Pediatrics we believe preventative medicine is integral in providing quality patient care. We provide proper anticipatory guidance for parents with children of any age. We also provide same day sick appointments so that your child(ren) get the care they need when they need it.

For more information about our office please see our FAQ.

Meet Our Providers

  • Dr. Sandhya Ravi, MD

  • Dr. Michaela Knies, MD

  • Dr. Vinodh Vasudevan, MD

  • Paulina Mariki-Mhango, MD

  • Michelle Cabalona, MD

  • Dr. Adriane Eng-Osborne, DO

  • Elizabeth Tolman, PA-C

  • Fatima Klassman, PA-C

  • Vivian Haji, PA-C

  • Melissa Flesch, PA-C

  • Holly Trygar, PA-C

  • Terra Fodstad, PA-C

Meet Our Team

  • Michelle

    Administrative Office Manager

  • Becky

    Office Manager - North Peoria

  • Rita

    Office Manager- Parkwest

  • Krista

    Front Office - Parkwest

  • Lisa

    Referral Coordinator

Medical Assistants

  • Shelly

    Lead Medical Assistant

  • Stephanie

    Lead Medical Assistant

  • Ashley

    Lead Medical Assistant

  • Careli

    Medical Assistant

  • Jareli

    Medical Assistant


  • Susmita


  • Cindy


  • Nichole



Dr. Sandhya Ravi MD

Dr. Sandhya Ravi graduated from Guntur Medical College in India. She completed her pediatric residency training from Wake Forest University Medical Center in North Carolina. She is board certified and a fellow of American Academy of Pediatrics. Being a resident of Peoria, she opened a practice closer to her home.

Dr. Ravi enjoys being a pediatrician and takes pleasure in watching the kids grow and being an important part of their life. Although she emphasizes on all aspects of Pediatrics, her main areas of interest are to encourage reading and preventing obesity in children.

Dr. Ravi has been happily married for 15 years to her husband who is a computer engineer. She has triplet boys born in 2000. There never is a dull moment at her house. She enjoys reading, spending time with her family/friends, and traveling.


Dr. Michaela Knies MD

Dr. Michaela Knies graduated from Commenius University in Slovakia. She completed her Pediatric residency training at St.Joseph's Hospital in Phoenix. She is board certified and a fellow of American Academy of Pediatrics.

Dr.Knies is very excited to join Pleasant Pediatrics and continue to dedicate her professional life to the well-being of children and their families. Beside general pediatric care, she is interested in pulmonology, allergy and obesity prevention.

Dr. Knies is married and has two boys. Phillip is 15 years old and Matthew is 11. Both boys play ice-hockey at the international level. Beyond the medical field, Dr. Knies likes reading, travelling, sports and spending time with her family, specially watching her boys playing ice-hockey.


Dr. Vinodh Vasudevan MD

Dr. Vinodh Vasudevan graduated from Thanjavur Medical College in India. He completed his Masters in Public health from University of Alabama, Birmingham. He did Pediatric residency from University of Illinois, Peoria. He is board certified and a fellow of American Academy of Pediatrics. For the past seven years, he worked as Pediatric Hospitalist at Phoenix Childrens Hospital and Banner Thunderbird Medical Center. In addition to general pediatric care, he is also interested in asthma management.

Dr. Vasudevan, who also goes by Dr.V, is a sports junkie. He enjoys hiking, playing racquet ball and tennis. Dr. Vasudevan is happily married with two kids Bhavana and Vishnu. He loves traveling and spending time with his family.


Dr. Adriane Eng-Osborne DO

Dr. Adriane Eng-Osborne, DO graduated from Midwestern University and completed her Pediatric residency at St. Joseph's Hospital. She is board certified and is a fellow of the American Academy of Pediatrics. She has moved back to her home state of Arizona after practicing for 4 years in North Carolina. She attended UofA (Go Wildcats!) for undergrad, and XCP for high school. She is excited to join Pleasant Pediatrics and enjoys caring for children of all ages.

Dr. Osborne is married and has 2 children. Her son, Tanner, keeps her busy playing soccer and doing tae kwon do. Her daughter, Riley, loves dancing and gymnastics. Outside of medicine, she enjoys quality time with her kids, spending time with family, reading and dancing. She is truly excited about returning to AZ and looks forward to taking care of your children.


Elizabeth Rattle, PA-C

Elizabeth Rattle, PA-C graduated from Midwestern University in 2009 with a Master of Medical Science (MMS) Degree Physician Assistant Studies with a focus on pediatrics. She has always loved working with children and enjoys watching as they grow and develop. She has a passion for educating not only the parents but also the kiddos on maintaining a healthy lifestyle and preventing childhood obesity.

Liz is an avid sports fan and originally being from Wisconsin, never misses the opportunity to watch the Packers or Brewers play, or UNC basketball. She has 5 nieces and nephews that she absolutely adores and loves being Auntie Liz to. In her free time she loves to travel (especially back to Wisconsin to see her family), play softball, hike, cook, and sing. She looks forward to taking care of your kiddos.


Elizabeth Tolman, PA-C

Elizabeth Tolman, PA-C graduated summa cum laude with her Masters of Medical Science (MMS) in Physician Assistant studies from Midwestern University in 2014. She is an academic at heart and loves biological and physiological sciences. She graduated summa cum laude from her undergraduate university, the University of Northern Colorado, with a degree in Cellular and Molecular Biology and a minor in Chemistry. PA Tolman likes to educate patients and parents on the physiologic processes and looks forward to working with your family.

PA Tolman is a Colorado native but met her husband at MWU and the two have planted roots in Northwest Phoenix. PA Tolman enjoys spending time with her family, including her 12 nieces and nephews. She also loves hiking, swimming, reading, traveling, and exploring her new Arizona landscape.


Fatima Farooqi, PA-C

Fatima Farooqi, PA-C recently graduated from Rosalind Franklin University of Medicine and Science in 2015 with a Master of Medical Science (MMS) Degree in Physician Assistant Studies with a focus on pediatrics. She loves working with children, and enjoys being an important part of educating parents about their child's growth and development. She is especially interested in pediatric dermatology and loves exploring and learning about the different treatments of skin rashes and diseases. She is excited to start her career at a welcoming and friendly practice like Pleasant Pediatrics.

Fatima recently relocated to Arizona from Chicago, IL, where she grew up and went to undergrad at University of Illinois at Chicago. She is looking forward to start exploring all the new cities and towns that Arizona has to offer. She enjoys painting, hiking, and traveling with her fiance. They recently adopted two kittens which keep them very busy!

Fatima is excited to start helping kids of all ages and providing healthcare to those in need.


Paulina Mariki-Mhango, MD

Dr. Mariki graduated from the University of Pittsburgh School of Medicine and completed her pediatric residency at Phoenix Children’s Hospital/Maricopa Medical Center.

She then moved to Washington DC to complete her specialty training in pediatric infectious disease at Children’s National Medical Center.

She is board certified in General Pediatrics and Infectious Disease at the American Academy of Pediatrics. Recently she moved back to Arizona to settle down with her wonderful husband and baby boy who she hopes will be a soccer player like his Dad.

She is excited to join the staff at Pleasant Pediatrics and looks forward to taking care of your children.

During her spare time she enjoys spending time with her family, practicing yoga and watching HGTV.


Vivian Haji, PA-C

Vivian Haji, PA-C graduated from Barry University in Miami Shores, Florida in 2014 with a Master of Clinical Medical Sciences (MCMSc) in Physician Assistant Studies. She received her bachelor degree in Interdisciplinary Arts and Sciences-Life Sciences, from Arizona State University. She is a member of Pi Alpha National Honor Society for Physician Assistants, the American Academy of Physician Assistants, and Arizona State Association of Physician Assistants. She loves getting involved with medical mission trips and working with the children. She is passionate in educating and encouraging kids about not just their health, but also their future and looks forward to joining Pleasant Pediatrics!

Vivian is originally from California and grew up in Phoenix, Arizona. When she’s not spending time with her family and friends, she enjoys traveling and exploring new places. She is an avid movie fan, a coffee buff, and loves spending time outdoors hiking and attending local events.


Mark Greenberg, MD

Picture & info coming soon.


Michelle Cabalona, MD

Iinfo coming soon.


Melissa Flesch, PA-C

Melissa Flesch PA-C graduated from Marquette University in Milwaukee, Wisconsin in May of 2016 with a Masters in Physician Assistant Studies. She focused her studies on Pediatrics and completed coursework and clinical rotations in Pediatric outpatient medicine, Congenital Heart Disease, Pediatric Emergency Medicine, and Pediatric Intensive Care. She also takes a special interest in Pediatric obesity and metabolic disease which was the focus of her research and thesis statement in graduate school. She looks forward to helping families and patients understand common pediatric ailments and helping children grow in a healthy way. She is very excited to work with families in Phoenix!


Holly Trygar, PA-C

Info coming soon.


Terra Fodstad, PA-C

Info coming soon.