Home » Our Practice » Meet Our Staff

Meet Our Staff

Jeannine Nahabedian, MPAS, PA-C

Physician Assistant in Los Angeles, CA

Jeannine Nahabedian, MPAS, PA-C, was born in Los Angeles, California and graduated with a Master’s Degree in Physician Assistant Studies at Oregon Health & Science University’s School of Medicine. Jeannine has over 10 years of full-time aesthetic medicine experience and prides herself on achieving excellent, precise and natural results that is individually tailored for each patient. As a California-licensed and certified PA-C, Jeannine has extensive experience with:

  • Injectables – Botox, Dysport, Xeomin, Juvederm, Voluma, Volbella, Kybella, Restylane, Restylane Lyft, Restylane Silk, Radiesse, Belotero, Sculptra – including cannula and advanced techniques
  • SculpSure, Coolsculpting, Ulthera, Fraxel, IPL, Microneedling with PRP, Sclerotherapy, (Polidocanol and Saline) Accent, Liposonix, Miradry, chemical peels – including Skin Medica, ViPeel and Dermaceutic brand peels
  • Tattoo removal with Picosure, Q-switched Nd:YAG and Ruby lasers
  • Hair removal with laser and IPL platforms
  • Extensive Product Knowledge, including Latisse, Benev, Epione, Skin Medica, Neo Cutis, Le Mieux, SkinCueticals, iS Clinical, LaRoche Posay, Elta MD, Solar Protection Formula, Precision MD

Jeannine believes that honesty, empathy and education are the most important tools in fostering strong patient relationships. In her free time, Jeannine enjoys reading, cooking and playing with her rescue dog, Buddy.

Kasey Drapeau D’Amato

Kasey Drapeau D'Amato

Kasey is devoted to helping her profession grow by educating PAs, Physicians and the public about the PAs role in medicine today. Her upbeat personality and business experience make her a very effective consultant, coach, mediator and educator for physicians and PAs. She has been published in Practical Dermatology, JDPA, and other journals.

Natalia Guzman BSN, RN, CANS

Cosmetic Nurse Injector in Los Angeles, CA

Natalia Guzman BSN, RN, CANS. is a highly skilled Los Angeles based Cosmetic Nurse Injector with over 10 years of experience. She has trained and worked along-side some of the most accomplished cosmetic surgeons in the world and comes to Rejuva Medical Aesthetics with a wealth of knowledge and expertise.Natalia believes the consultation and pre-treatment discussion is key to developing a personalized plan that allows both her and her patient to be fully invested in their care from beginning to end. Natalia offers a myriad of treatments, including Botox, Dysport, Xeomin, Juvederm, Radiesse, Belotero, Restylane, Kybella, Sculptra, Halo Laser Resurfacing, IPL/BBL, and Microneedling with PRP.

Natalia focuses on providing each patient the ultimate combination of incredible skill, offering the latest techniques, and her innate artistry creating natural and youthful outcomes.

Caysie Beetley, RN, BSN

Nurse Practitioner in Los Angeles, CA

Caysie Beetley, RN, BSN is a Los Angeles based aesthetic nurse specialist. She began her nursing career in the Emergency Department where she developed a passion for delivering high quality care to her clients. Her previous experience as a Plastic Surgery nurse at the University of Kansas Heath System introduced her to the exciting world of aesthetic and cosmetic procedures. She obtained certifications in injectables and laser treatments through MINT Aesthetics and continues to refine her skills by working alongside Dr. Kian Karimi and attending the latest aesthetic training seminars.

Caysie believes that client safety and satisfaction is of upmost importance. Through trust, education and communication she is able to build strong client relationships and deliver optimal aesthetic outcomes.

Jennifer Izzarelli, Nurse Practitioner

Nurse Practitioner in Los Angeles, CA

Jennifer Izzarelli is a Board Certified Acute Care Nurse Practitioner and Certified Aesthetic Nurse Specialist. Jennifer earned her Master of Science in Nursing from the University of California, Los Angeles (UCLA) where she was one of only twenty five students chosen for dual specialties: Nurse Practitioner and Clinical Nurse Specialist.

She is a member of American Society of Plastic Surgical Nurses (ASPSN) and Sigma Theta Tau, Honor Society of Nursing. She holds her board certification through the American Nursing Credentialing Center (ANCC) and Plastic Surgical Nursing Certification Board (PSNCB)

Jennifer spent several years as the sole Nurse Practitioner working alongside surgeons in the Plastic and Reconstructive Surgery department at Harbor UCLA Hospital and at UCI Medical Center. She was introduced to aesthetics in 2013 where she fell in love with the concepts of combining her surgical training with non-surgical beauty treatments and facial design.

Serving the Greater Los Angeles and Orange County areas, she is a leader in both surgical and non-surgical aesthetic beauty treatments. She mentored alongside of Rand Rusher and received exclusive training on the patented non-surgical ArqueDerma® Lift. She is a master injector providing advanced neuromodulator treatments to the face and neck along with her vast knowledge of skincare and lasers.

Sherry Leigh, Practice Administrator

Practice Administrator in Los Angeles, CA
Sherry joined our practice in 2015. She graduated from UCLA with a major in English and then obtained an advanced degree in Health Care Administration from UCLA. She has 28 years of experience in healthcare and through her leadership and passion for the aesthetic industry has played a significant role in the expansion and continued success of Rejuva Medical Aesthetics. In addition to managing business operations, she is involved in all aspects of the practice including marketing, public relations, sales and patient satisfaction. Sherry feels very fortunate to be a part of such an innovative practice focused on the latest technology, offering the most beautiful, natural results possible.

Alex Reivitis, Medical Assistant, Clinical Research Trial Coordinator

Medical Assistant in Los Angeles, CA
Alex Reivitis is Rejuva’s medical assistant who also oversees our clinical research trials. Prior to joining our practice, Alex spent over two years as a medical assistant in a dermatology clinic. Additionally, she was an intern at Children’s Hospital Los Angeles in the Plastic/Maxillofacial Department for three years. Born and raised in Los Angeles, she attended Loyola Marymount University, where she received her undergraduate degree with honors in Biopsychology. Alex continued her education at Loyola Marymount by completing a two year premedical post baccalaureate program. During her time in the program, Alex was a research coordinator for a genetics lab and earned her Phlebotomy license at UCLA. She also co-founded a non-profit called Sunscreen for Life, which seeks to educate today’s youth about skin cancer prevention. As an aspiring physician, Alex is extremely enthusiastic about healthcare and is excited to be a part of Rejuva.

Helena Rockwell, Medical Assistant, Clinical Research Coordinator

Medical Assistant in Los Angeles, CA
Helena Rockwell is a medical assistant and clinical research coordinator who officially joined the Rejuva staff after graduating from the University of California at Davis. With a love of horses but a passion for pursuing a human-based medical career, Helena received her Bachelors of Science with honors in Animal Science with a Physiology Specialization. Throughout college, Helena was actively involved in pre-health clubs, healthcare volunteering, medical internships, and she conducted research in characterizing the congenital nature of diseases in horses in order to better understand the genetic basis of human equivalents. Returning to her home of Los Angeles on college breaks, Helena would shadow Dr. Karimi and Dr. Griffiths at Rejuva. As an aspiring physician, Helena is eager to learn about all fields of medicine and is very excited to be a part of Rejuva’s team.

Austin Davis-Hunter, Medical Assistant

Austin Davis-Hunter
Austin Davis-Hunter is a Medical Assistant at Rejuva who joined the team after completing his Bachelors of Science in Psychobiology at UCLA. During Austin’s time at UCLA he conducted undergraduate research in behavioral neuroscience and worked as a caseworker for the UCLA Mobile Clinic Project. His research background and clinical experience has furthered his interests in the medical field. As an aspiring physician Austin is excited to be at Rejuva and diversify his medical background by working in the realm of Aesthetics.

Brian McDonnel, Medical Assistant

Brian is a Medical Assistant at Rejuva. He has taken a special interest in PDO Threads, PRF, and combination therapies and is Rejuva’s coordinator for the monthly AIAM hands-on trainings. Brian is a California native, born and raised in Orange County.

He graduated from Cal State Fullerton, University with a Bachelor of Science in Kinesiology. He is an aspiring Physician Assistant and his previous medical experience includes working as a Medical Assistant in the fields of Sports Medicine, Orthopedics, Pain Management, and Anti-Aging.

Marissa Kudo, Medical Assistant

Marissa Kudo is a medical assistant and clinical research assistant at Rejuva who joined the team after graduating from the University of California, Santa Barbara with a Bachelor’s of Science in Biological Sciences. In college, she volunteered in many departments of healthcare including emergency, ICU, and research and became EMT certified to pursue her medical interests further. As an aspiring physician, she hopes to continue to learn about healthcare as a part of the Rejuva team.

Testimonials Plastic Surgery in Los Angeles, CA
"Previous review Jeanine and staff are wonderful. Jeanine is the best, so patient and caring. I have had many procedures in her expert hands and highly recommend Celebrity Laser to…" Lauren B.
"Previous review This is the first time I have ever written a review, but this place was so great I felt I needed to get the word out in writing.…" Lois C
"Updated review I am normally not one to write reviews, but I just love this amazing staff. Jenine is the ultimate professional and is a true artist practicing art versus…" Lois C.
"Amazing! I haven't been here since they got the new name (but I was there two months ago -and have been coming for 3 years!) I love this place. Jeanine…" Cheryl D.
"Jeannine, I can't thank you enough for turning one of the worst days into one of the best days for me in a long time. It had been over a…" Kami K.
"Ok this place is awesome! You walk in and it smells delicious! Lol they have some kind of scent machine, and it makes the whole place smell great! Ashley is…" Dawn B.
"This review which I should had written a long time ago.... Is for my favorite beauty place Jeannine is everything you need when it comes to take some years of…" Lola M.
"Jeanine is the best. She's a nurse that really knows her stuff. I've been going to her for about 6 years now and don't trust ANYONE with my face other…" Liz R.
"I've gotten tattoo removal here and despite how nervous and skeptical I was, the procedure came through for me in only a few treatments. I had black ink and it…" Amber C.
"Purchased a Yelp Deal To anyone considering Dermapen, do it without hesitation. I finished my last of five sessions over a year ago and can attest that your skin just…" Leila H.
"Last Saturday I came in for Juvederm to add some volume to my lips. Jeannine was incredible. She was very patient and didn't rush me at all during the process.…" Caroline W.
"JUST PLEASANTLY AMAZING.... Janine is my go to gal.... She is a highly qualified PA, and she has a good eye. I have been going to her for 8 years…" Elaine C.
"This is hands-down the best medspa I've been to. Jeremy the office manager was so accommodating, and Jeanine did an outstanding job on my lips! Very minimal discomfort, hardly any…" Aaron P.
"Hands down the best experience I've had, the staff was cool but Janeane ( I don't know if that's how she spells it.) was extremely nice and very attentive to…" Stephen N.
"During my consultation Jeanine explained how the tattoo removal process works very clearly. She was very straight forward about the potential risks of tattoo removal and what I could do…" Amelia H.
"I had booked an appointment for consultation but when I went to see Jeanine! I couldn't wait to do my forehead and remove some lines. She is very welcoming and…" Shahla D.
"Impeccable facility, Amazingly knowledgeable Friendly & Professional Staff that superceded any and all of my Expectations. I am a complete Neophyte when it comes to cosmetic improvements: Botox, Juvaderm, Fillers,…" Kami K.
"Purchased a Yelp Deal I've been a client of Brentwood C L Spa for over a year and have always been happy with the outcome of my treatments (i.e. juvederm,…" Felix G.
"I absolutely love this place! I recently started treatment for removal of three regret-tattoos (one on my ankle and one on each of my arms) and saw significant fading after…" Shannon L.
"Janinne or Jeanine (sp)... Is fantastic and the results are amazing. She knows what she's talking about and what she's doing and the prices are FANTASTIC!!!" Farah J.
"I had a great experience at Celibrity Spa. The staff is friendly and helpfull. Jeanine modified my treatment to attend my needs. She knows what she is doing. Dr. Kaplan…" Renee H.
"AMAZING! That is just one word I would use to describe this place. I have been on three different locations for various different treatments (botox, laser, etc...) and every time…" Steven W.
"I love this place!! Jeanine is amazing. Dr Kaplan is fantastic and Jeremy is very knowledgeable about skin care etc. Dr k always is interested in feedback and receptive to…" Theresa F.
"Purchased a Yelp Deal I've been looking for a place that does natural filler for the past year and nobody divulges that they get it let alone tell you where…" Mrs L.
"Jeanine Jeanine Jeanine! She is the best! I can not say enough good things about CLS. I also love Jeremy at the front desk! They have terrific monthly specials! After…" Kat T.
"I've been going to see Jeannie at CLS since 2010 and could not be happier with my laser hair removal results. The facility is clean, welcoming, efficient, and professional. I've…" Ms Y.
"Very pleased with my visit and experience. The staff were extremely friendly and helpful with both making my appointment, needing to reschedule and when I arrived. I saw Jeannine who…" Lauri F.
"I've been going to CLS for 4 years now and can't imagine every going anywhere else for cosmetic procedure and products. Janine is WONDERFUL and really helps with any concerns…" Meghan E.
"I've been coming here for years so that instead of lying about my age, or keeping it a secret, I can just tell people the truth and have them freak…" Deborah B.
"After my sister (out of area) got amazing results with medical weight loss, I decided to try it myself and searched for a place offering it locally. I spotted C.L.S.…" K S.
"Jeannine was so wonderful, professional, kind, and thorough during my session with her. She put me at ease when I was nervous and calmed my nerves. I'll never go anywhere…" Sheadee G.
"I've been going to CLS since their old location. I've been to a few different places, but settled on CLS after my first visit. Their facilities are state of the…" Giles S.
"I received a number of laser hair removal treatments with Celebrity Laser Spa and have been very pleased with the results. They are fast, courteous, and it is a comfortable…" Wendi B.
"Celebrity Laser Spa is incredible. I've been going in for the last year, every six weeks or so, for tattoo removal on my ring finger. Was the tattoo a mistake?…" Chelsea T.
"I cannot say enough great things about Celebrity Laser Spa!! I was extremely nervous to get Juvederm in my lips, and afraid of the pain, but I am SO happy…" Caroline F.
"I am happy to say that after spending 45 minutes with Dr Karimi, he made me look & feel about 5-7 years younger!!! I had my forehead & crows feet…" Jennifer W., Santa Monica
"I discovered Dr. Karimi and Rejuva Medical Aesthetics a year ago and I’m so glad! He is very knowledgable and I trust him implicitly! His team is excellent and Robbie…" Tina S., Brentwood
"Highly recommend this place! They’re very professional and so good at what they do. It was my first time to get anything done and I’m so happy with my results.…" S B., Beverly Hills
"I highly recommend this outfit anyone interested in aesthetic services. I had Botox Injections & fillers at this facility& the results were amazing. One of the young person at 24…" Mahesh M., Westwood
"I have been seeing Dr. Karimi for treatments (Botox, fillers, microneedling) over the past couple of years. Rejuva is elegant and it hardly feels like I am at a doctor’s…" Au N., Los Angeles
"Dr. Griffiths is a genius and a perfectionist, exactly the kind of person you want working on your face. I came in an emergency, I had been bitten in the…" Kat B., Santa Monica
"I have had Botox and filler in my lips several times over the past ten years. I have NEVER been completely satisfied until today. I was referred by a good…" Leigh M., Venice
"I’ve been a beauty and cosmetic surgery professional for 15 years, and I refer literally everyone to Dr. Karimi and Rejuva Medical Aesthetics when they ask about natural, effective and…" Brigitte G., Los Angeles
"I just had the best and most relaxing facial done by Pamela at Rejuva Medical Aesthetics! Convenient location and very nice staff. My skin is glowing and looked beautiful immediately…" Joni M., Los Angeles
"Dr Karimi is great. I started going to him 1 year ago for undereye fillers via the canula technique to correct my under eye circles. I found him on RealSelf…" D M., Los Angeles
"Dr.Karimi and his staff are amazing! I was very nervous going in, but the consultation put me at ease. I booked my procedure (mole removals on my face), They made…" Debbie O., Santa Monica
"Last week I had a hydrafacial with Pamela and it was amazing! It felt so awesome to have everything removed from my face and it was so smooth afterwards. Plus,…" Julie S., Los Angeles





Skip to content