Natasha Trentacosta, MD

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Natasha Trentacosta, MD Cedars-Sinai Orthopaedics and Sports Medicine

Main Office:
2020 Santa Monica Blvd #400
Santa Monica, CA 90404

Phone: 310.829.2663
Fax: 310.315.0175

Dr. Natasha Trentacosta is a pediatric and adult sports medicine trained orthopaedic surgeon based in the Los Angeles area. Her unique training allows her to care for athletes of all ages and levels of competition in the prevention and treatment of sports-related and traumatic injuries, utilizing non-operative treatment options such as physical therapy and regenerative medicine techniques as well as operative interventions when indicated. Her surgical skills and individualized attention aim to help each patient return to the highest possible level of function in sports and life. After growing up in New York City, she attended Brown University with a concentration in Neuroscience. Returning to New York, the summer before entering medical school was spent at an internship at the Women’s Sports Medicine Center of the Hospital of Special Surgery. She went on to medical school at Albert Einstein College of Medicine and completed her residency in orthopaedic surgery at Montefiore Medical Center. She completed specialized training in adult sports medicine at Santa Monica Orthopaedic and Sports Medicine Group, providing sideline and training room medical coverage for local high schools and colleges, and assisting in the care of the LA Galaxy as well as Men’s and Women’s US National Soccer teams. With a strong passion for keeping children active and safe in sports and life, she went on to further training with international leaders in pediatric sports medicine at Boston Children’s Hospital, practicing surgical techniques that are unique to the treatment of the pediatric patient. Not only did she continue caring for local high school athletes, but also had the opportunity to cover the Boston Athletic Association road races, including the Finish line at the Boston Marathon. Returning to Los Angeles, she brings a passion for keeping children and adults active and returning them back to their full potential when injury strikes. Her research interests continue in the pediatric and female athlete, focusing on injuries of shoulder, elbow, hip, and knee.

Access to sports should not be a luxury for children. It is an important part of healthy development.⁠⁠When children par...
10/19/2026

Access to sports should not be a luxury for children. It is an important part of healthy development.⁠
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When children participate in organized sports, they build strength, coordination, and physical literacy. They also learn how to communicate, manage frustration, work toward a goal, and develop confidence in their own abilities.⁠
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A sports team also provides structure, mentorship, and belonging. A coach may become a trusted adult. A practice field may become one of the first places a child feels capable and connected to a community.⁠
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But access is not equal. Registration fees, equipment costs, transportation, and the rising expense of competitive youth sports can exclude talented, motivated children before they ever get the chance to discover what they can do.⁠
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That is why programs like LA City United FC matter. As part of the PLAYLA initiative, it helps create more equitable access to quality soccer training for young athletes across Los Angeles.⁠
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Talent exists in every neighborhood. Opportunity does not.⁠
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Every child deserves the chance to play, not only because sports can produce great athletes, but because they help build healthier, more confident, more resilient young people.⁠
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P.S. That’s me working with some of the girls teams on warm ups down in Wilmington and Michelle and Barack Obama Sports Complex last week!⁠
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10/18/2026

Remember when stairs were just… stairs?⁠
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Now your knees have a comment. Your hips have feedback. And getting up off the floor suddenly feels like a full-body assessment. ⁠
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For World Menopause Day, let’s talk about something that doesn’t get nearly enough attention: perimenopause can affect your joints too.⁠
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Hormonal shifts—particularly changes in estrogen—may influence inflammation, connective tissue, muscle, and how achy or stiff your joints feel. So if your body suddenly feels a little less forgiving in your 40s or 50s, it isn’t automatically “just getting older.”⁠
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And no, the answer isn’t to stop moving.⁠
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Strength training, regular activity, good recovery, and addressing persistent pain early can make a meaningful difference.⁠
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Your joints may be getting louder. That doesn’t mean they get the final say.⁠
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Save this for the next time your knees start narrating the staircase. ⁠
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10/16/2026

If your joints started aching sometime in your 40s and you haven't changed your activity level, hormones may be the missing piece.⁠
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Estrogen does more than regulate your cycle. It also influences inflammation, cartilage, connective tissue, and how your joints feel and function. As estrogen levels fluctuate and decline, some women notice more stiffness, aching, or soreness—especially in the morning or after activity.⁠
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Some women notice it as stiffness in the morning, or soreness after activity. Now your knees ache, your hands feel stiff, or your hips complain after things that never used to bother you.⁠
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It's not "just aging." It's a hormonal shift your body is adjusting to, and there are ways to support your joints through it. That doesn’t mean you should stop moving. In fact, strength training, regular activity, recovery, and an individualized conversation with your doctor can all play a role in keeping you moving well.⁠
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Save this if your joints have felt different lately.⁠
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As a team physician for Angel City FC, I see it firsthand: professional athletes get screened for joint and bone health ...
10/15/2026

As a team physician for Angel City FC, I see it firsthand: professional athletes get screened for joint and bone health before it's ever a problem, not after.⁠
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That standard shouldn't be reserved for elite sport.⁠
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It's National Bone and Joint Health Awareness Week, a good reminder that proactive screening can catch things early, whether you're training at a pro level or just trying to stay active for the long run. Everyone deserves that same level of care.⁠
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Visit my link in bio to schedule a consultation to get ahead of joint and bone health before it becomes a problem.⁠
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10/13/2026

“Growing pains” is one of the most common things I hear parents say about their young athlete’s aches, and it’s also one of the most common things we get wrong.⁠
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What looks like normal growth can sometimes be apophysitis, and catching it early makes a real difference in how it’s managed.⁠
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If your athlete keeps saying the same spot hurts, it’s worth paying attention to.⁠
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Save this for the next time you think “it’s growing pains.”⁠
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LA28, we’re coming for you! 🏅⁠⁠Well… maybe not quite yet. But you’ve got to start somewhere! ⁠⁠Rock climbing is official...
10/12/2026

LA28, we’re coming for you! 🏅⁠
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Well… maybe not quite yet. But you’ve got to start somewhere! ⁠
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Rock climbing is officially part of the LA28 Olympics, with three separate medal events: bouldering, lead climbing, and speed climbing.⁠
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As an orthopedic sports medicine surgeon (and proud mom cheering from below!), I love watching kids discover sports that challenge them in different ways. Climbing builds strength, coordination, balance, problem-solving skills, and perhaps most importantly, the confidence to keep trying when things get hard.⁠
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And the best part? Sometimes the biggest victory isn’t reaching the top. It’s being brave enough to try.⁠
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For now, we’re just climbing toward 2028… one tiny hold at a time! ⁠
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Happy National PA Week to my incredible PA, Aryn Henige! ⁠⁠Aryn has been by my side since I first started at Cedars-Sina...
10/09/2026

Happy National PA Week to my incredible PA, Aryn Henige! ⁠
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Aryn has been by my side since I first started at Cedars-Sinai, and I truly can’t imagine my practice without her. From taking exceptional care of our patients to keeping our busy days running smoothly, she does it all with skill, compassion, and a great attitude.⁠
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And the best part? Our teamwork doesn’t stop in the operating room or clinic. We take it to the pickleball court, too! (Although I’m not sure which one of us is more competitive).⁠
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So grateful to have a colleague who has become such a wonderful friend and pickleball partner.⁠
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Happy PA Week, Aryn! Thanks for always having my back—on and off the court! ⁠
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More cardio isn't always better for your bones.⁠⁠During perimenopause and menopause, bone density can become harder to m...
10/08/2026

More cardio isn't always better for your bones.⁠
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During perimenopause and menopause, bone density can become harder to maintain.⁠
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Exercise isn't the problem. A mismatch between how hard you train, how well you fuel, and how much you recover may put your bones at risk.⁠
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Cardio keeps your heart strong, and strength training can help your bones, muscles, and joints keep up with everyday life.⁠
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I had the chance to share more on this with ⁠
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Tap to read the full feature:
https://www.womansworld.com/wellness/healthy-aging-lessons-i-learned-at-pritikin-longevity-center
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10/06/2026

One of the most important questions I am always asking a physical therapist working with my patients:⁠
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“What have you been working on?”⁠
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It sounds simple, but the answer tells me a lot: what’s improving, what’s still limited, how the body is responding to rehab, and whether surgery is the right next step or not.⁠
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When the surgeon and physical therapist are communicating, the plan gets clearer, and the patient benefits.⁠
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Because great outcomes are rarely about what happens in the operating room alone. They’re built through the entire recovery process: restoring motion, rebuilding strength, correcting movement patterns, regaining confidence, and progressing safely back to life and sport.⁠
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Surgery may repair the structure. Physical therapy helps rebuild the function.⁠
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Happy World PT Day to the physical therapists who are such an essential part of the team—and who make my job easier every day.⁠
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Share this with a PT who deserves some appreciation.⁠
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A 12-year-old’s exam room visit should look nothing like a 30-year-old’s, and most people don’t realize how different th...
10/05/2026

A 12-year-old’s exam room visit should look nothing like a 30-year-old’s, and most people don’t realize how different they are.⁠
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The imaging is different. The conversation is different. Who’s in the room is different.⁠
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A young athlete teaches me to look closer. An adult athlete teaches me to listen more closely. Treating both makes me sharper at each.⁠
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Follow along to see both sides of sports medicine for every age.⁠
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Carlsbad, CA
92008, 92009, 92010, 92011, 92018

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