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Physicians Center For Renewal, co-founded by Dr. Michael Cerni and his wife Zara, is a luxurious, state-of-the-art medical spa specializing in the latest cosmetic injectables in Newport Beach, CA. We have highly-skilled master injectors who understand your specific goals and concerns to curate the ideal injectable treatment plans. We also have injector trainers responsible for ensuring the entire staff is kept abreast of the latest techniques and injectable formulations.

Physicians Center For Renewal has the distinct honor of being the #1 Allergan injectors in California and the #3 injectors in the nation.

Dr. Michael Cerni

Medical Director & Master Injector

Dr. Michael Cerni is the founder and Medical Director of Physicians Center for Renewal. An Allergan-certified master injector with over 35 years of experience, Dr. Cerni stays abreast of the latest techniques for applying dermal fillers and neuromodulators for facial rejuvenation. Dr. Michael Cerni is an incredibly skilled injector with a keen understanding of facial anatomy and aesthetics.

What truly distinguishes Dr. Cerni is his dedication to individualized cosmetic treatments. He listens to each patient’s individual concerns to curate personalized treatment plans. He has been named by the Orange County Business Journal as one of the “Top Family Owned Businesses” in Newport Beach and Laguna Niguel. And his medical spa has the honor of being one of the top 10 Allergan providers in the country.

Dr. Michael Cerni and his wife Zara are long-time residents of Laguna Niguel, California. He recently completed work on his first novel, God’s Favorites.


  • Former founder and medical director for Primary Care Associates, a multi-physician multi-specialty group practice in Southern California.
  • Former associate professor of Clinical Medicine for the Western University of Health Sciences College of Osteopathic Medicine of the Pacific.
  • Former partner and member of the Board of Directors for Care Medical Group, an independent physician association representing over one hundred doctors, overseeing operations, risk management, quality assurance, and finances.
  • Former founding partner for Pro Care Medical, a large Southern California medical management services organization.
  • Former staff member at the St Jude Medical Center, Whittier Hospital, and Brea Community Hospital.

Educational Background

  • Bachelor of Science degree from Youngstown State University, where graduated with a major in biology and a minor in chemistry.
  • Postgraduate degree from The College of Osteopathic Medicine and Surgery in Des Moines, Iowa.

Board Affiliations

  • The American Osteopathic Association
  • Osteopathic Physicians and Surgeons of California
  • American College of Family Physicians of California
  • Orange County Medical Society

Joanna Yoo, Nurse Practitioner (NP)

Joanna Yoo, attended California State University of Fullerton where she received her Bachelors of Science. She continued her education at Western University where she received her RN and MSN in Nursing. Joanna has received her nurse practitioner license. Joanna is a master injector and specializes in Aesthetic Nursing where she loves to take care of her patients by helping them to feel beautiful in their own skin. She has a created the Joanna Trifecta and is sought out to perform her special treatment. Joanna has a love for retail and it shows with her JTN Aesthetics and online Baby, store LuckandCo.

She has 2 darling boys and resides in Newport Beach.

Jennifer Le, PA-C

Jennifer Le, graduated with honors in Public Health at University of California, Berkeley and later earned a Master of Science degree in Physician Assistant Studies at Pace University – Lenox Hill Hospital. While studying in NYC, Jennifer was introduced to and fell in love with the world of aesthetics at a private cosmetic and laser dermatology office and plastic surgery department at Memorial Sloan Kettering. Jennifer (known as #JentleJen) enjoys learning about the latest skin care technology and also helping patients achieve inner and outer beauty. Upon graduating in 2015, she started her career in aesthetic medicine and has been dedicated to the field since for over six years.

Shauna Wheeler, (RN)

Nurse Shauna Wheeler, has 12 years of experience and recently moved from Los Angeles to Orange County. She splits her time as an injector from her hometown of Palm Springs to Orange County.

Shauna moved from LA and worked at Cedars Sinai as a Cardiac and Trauma Nurse. She worked at SkinLab in Palm Desert as an injector and Laser RN.

She is now injecting on Mondays and Thursdays here with Physicians Center for Renewal.

From Trauma Nurse to an Aesthetic, Nurse Shauna’s focus is making her patients feel their most beautiful self with every injection and treatment.

Zara Cerni, BA, CAC I-V

Certified Aesthetic Consultant & Patient Liaison

Zara Cerni, is currently the aesthetic director and patient liaison at Physicians Center For Renewal, which she co-founded with Dr. Michael Cerni 10 years ago. As a certified aesthetic consultant, Zara combines nutrition and lifestyle modifications with cutting-edge aesthetic procedures to optimize health, wellness, and appearance.

In addition to aesthetics, Zara holds certification from the Inflammation Foundation in Anti-Inflammatory Nutrition, founded by Dr. Barry Sears, author of “The Zone.” A significant part of Zara’s outreach includes lecturing with her husband Michael, providing the latest breakthrough trends in healthy lifestyle and fitness.

Zara has been published in Newport Beach Lifestyle Magazine, Orange County Magazine, Coto de Caza Magazine, and Ladera Ranch Magazine.

Natalie Tavasolian

Events and Patient Liaison

Natalie Tavasolian, graduated with a degree in Film and Media from the University of California Santa Barbara and worked on the CBS show “Mike and Molly”. After that she worked at a winery in Malibu.

She has been in the customer service industry for over 5 years and enjoys helping patients and assisting the providers. She helps run events and social media.

She resides in Newport Beach with her husband and golden retriever.

Kirsten Bone

Office Coordinator

Kirsten Bone, graduated from California State University Fullerton where she received her Bachelors degree in Communications, with an emphasis in Public Relations. She went on to join Novartis Pharmaceuticals where she worked as a pharmaceutical representative in the Urology and Dermatology divisions. Kirsten enjoys interfacing with patients and assisting Dr. Cerni, NP Joanna and PA Jennifer in various aspects of the practice.

She resides in Newport Beach with her husband and two children.

Casey Zschach

Patient Liaison and Scheduling Coordinator

Casey Zschach, is from Huntington Beach. She has worked for Forever Ageless Inc. for the past five years and recently started working for Physicians Center for Renewal. Casey is currently working to complete her aestheticians License at Newberry School of Beauty. She plans on furthering her education and practicing within the office after receiving her license. Casey’s passion is training horses and competing as an equestrian jumper.

Lauren Knapp, (NP)

Lauren Knapp, attended Baylor University where she received her Bachelor of Science in Nursing and later earned her Family Nurse Practitioner, Doctor of Nursing Practice from the University of San Francisco.

She has twelve years of experience working as a registered nurse in multiple community hospitals and large teaching facilities. Lauren is an Assistant Professor in the Masters Entry-Masters of Science in Nursing program at the University of San Francisco, Orange County campus.

Lauren has a passion for patient education, aesthetics, and helping patients look and feel their very best.

Our Staff




Contact Us 949-637-2072
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