Dr. Greene is a pediatrician in private practice, committed to giving extraordinary care to his patients. In addition, his mission includes improving the health of people around the world, focusing on children.

In 1995, he launched DrGreene.com, cited by the AMA as "the pioneer physician Web site". His award-winning site has received over 125 million Unique Users from parents, concerned family members, students, and healthcare professionals.


Dr. Greene is a graduate of Princeton University and the University of California at San Francisco. Upon completion of his pediatric residency program at Children's Hospital Medical Center of Northern California he served as Chief Resident. He entered primary care pediatrics in January 1993.

Non-Profit Work

In 2010 Dr. Greene founded the WhiteOut Movement to change how babies in the United States are fed. In 2012 he founded TICC TOCC - Transitioning Immediate Cord Clamping To Optimal Cord Care.

Dr. Greene is the Founding President of the Society for Participatory Medicine and has served as both President and Board Chair of Hi-Ethics (Health Internet Ethics). He has served on the Board of Directors for One Heart World Wide and The Lundberg Institute. Dr. Greene is the Past President of The Organic Center and a past member of the Board of Directors of Healthy Child Healthy World. He is a founding partner of the Collaborative on Health and the Environment. He has also served as an advisor to URAC for both their inaugural and their updated health website accreditation program. He is a founding member of the e-Patient Scholars Working Group, and a founding board member of the Center for Information Therapy.


Dr. Greene is the author of Feeding Baby Green (Wiley, 2009), Raising Baby Green (Wiley, 2007), From First Kicks to First Steps (McGraw-Hill, 2004), The Parent's Complete Guide to Ear Infections (People's Medical Society, 1997), and a co-author of The A.D.A.M. Illustrated Family Health Guide (A.D.A.M., Inc., 2004). He is the medical expert for three additional books, The Parent's Soup A-to-Z Guide to Your New Baby, (Contemporary Books, 1998) The Parent's Soup A-to-Z Guide to Your Toddler, (Contemporary Books, 1999), and The Mother of All Baby Books, (Hungry Minds, Inc., 2002).

Public Speaking

Dr. Greene is a frequent keynote speaker at important events such as TEDx Berkeley, TEDx Brussels, Health 2.0, IFOAM (International Federation of Organic Agriculture Movements), held in Modena, Happiness and It's Causes, held in Sydney, the first European Internet health conference, held in Maastricht, the first International eHealth Association Conference, held in Jeddah, the largest e-Healthcare World Conference, held in Las Vegas, and the first Green Power Baby Shower, held in Hollywood.


Dr. Greene appears frequently on TV, radio, websites, and in newspapers and magazines around the world, including such venues as the TODAY Show, Good Morning America, CNN, ABC, CBS, and NBC network news, NPR, The New York Times, The Wall Street Journal, USA Today, Time Magazine, Parade, Parents, Child, Baby Talk, Working Mother, Better Home's & Gardens, and the Reader's Digest.

Dr. Greene is a Pediatric Expert for The People's Pharmacy (as heard on many NPR stations) and was the original Pediatric Expert for both Yahoo! and iVillage and was a regular columnist for Parenting Magazine for several years.


Dr. Greene loves to think about challenging ideas, he enjoys being where nothing man made can be seen, and he wears green socks.



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Blog Posts by Alan Greene MD

    Todd Linsky and Dr. Greene discussion on the podcast Todd-versaions
    October 5, 2022
    TLC Todd-versations: Todd Linsky in Conversation with Dr. Alan Greene

    Todd Linsky, a food and organic industry veteran, hosts the podcast Todd-versations. He interviews guests from around the globe — influencers, leaders, and innovators in their respective fields.…

    Dr. Greene holds two cool medical tools.
    August 24, 2022
    Cool Medical Tools

    My longtime friend, Kevin Kelly, author, world traveler, and futurist invited me to join him on the Cool Tools podcast. He wanted me to share my most recent medical “Cool Medical Tools”. H…

    Beautiful skillet of fresh vegetables being cooked in an episode ofFarm to Taste: Nourishing your microbiome
    July 20, 2022
    Farm to Taste: Nourishing your microbiome

    Farm to Taste is hosted by mother-daughter dynamo Cindy Gershen and Rose Stein. Cindy is a chef, author, activist, and teacher. Rose is a nutritionist and lifestyle coach. They asked me to join the te…

    Girl playing with a wooden toy train. Toy selection is an issue for parents.
    November 23, 2021
    Dr. Greene’s Guide to Holiday Toy Selection

    Here is my guide to toy selection. I hope it helps you with your shopping.  Categories of Healthy Toys Before making your toy selection, let’s discuss healthy categories of toys. Especially in…

    Father feeding an infant a bottle - surprising infant formula ingredients
    October 1, 2021
    Surprising Infant Formula Ingredients

    Added sugar is one of the biggest problems not only in kids’ diets but in the American diet overall. Added sugar is fueling the childhood obesity epidemic. But our childhood obesity problems st…

    Beautiful fresh fruits and vegetables. High quality Free universal school meals
    August 16, 2021
    Free Universal School Meals: A Crucial Public Health and Social Justice Move for California and the Nation

    Expanding Universal School Meals for All is a massive win for public health and social justice. California is now the first state to provide free breakfast and lunch to all public school students for …

    Young boy in blue shirt against a bright yellow background. He is screaming. Does he have ADHD? Does he use ADHD drugs?
    May 18, 2021
    Normal Toddler Behavior vs ADHD

    An official diagnosis of ADHD can be hard to pinpoint as its symptoms can often be indicative of other conditions, but it is especially hard to diagnose in children under the age of four, as most chil…

    Black girl getting a vaccine shot in the arm. Vaccine FAQ
    April 6, 2021
    Vaccine FAQ: Autism, Immunity, Mercury, Safety, SIDS

    How Is Vaccine Safety Monitored? Like antibiotics, vaccines have prevented unfathomable suffering, but some parents may worry about the potential side effects of giving them to their children. Immuniz…

    Mom Driven, Doctor Aligned podcast cover image for Agatha Luczo and Dr. Alan Greene
    December 22, 2020
    Podcast: Mom Driven, Doctor Aligned

    Thanks for joining us for Mom Driven, Doctor Aligned Dr. Alan Greene and Agatha Relota Luczo, supermodel and mother of four, discuss important parenting and children’s health issues. They are jo…

    Young boy with face mask. How is social-emotional health of children being impacted by the pandemic?
    December 14, 2020
    Social-Emotional Health During the Pandemic

    And now the holidays are approaching – a time for joy and connection, but also a time of increased stress, especially if experiencing the loss of elements of previous special seasons. We know that d…

    2020 image of police and protestors kneeling during a George Floyd protest.
    October 23, 2020
    Getting Beyond 2020!

    And this is not just happening in the United States. This kind of division is happening around the world. The impact of this election, and this time in the world, will have a life-long impact on our c…

    Child on outside, grandparent on inside, touching hands with glass between them. When will pandemic end?
    October 5, 2020
    When Will this $%!# Pandemic End?

    The COVID-19 pandemic has had a worldwide effect for what seems like an eternity. After shelter-in-place orders became more prevalent in March,  most people probably didn’t think they’d still…

    Image of Dr. Alan Greene from the video, Don't Boost Your Immunity -- Optimize it!
    August 12, 2020
    Don’t Boost Your Immunity – Optimize It!

     One of the most common questions that I’m getting right now is how to boost the immune system and it makes sense. People want to know how to protect themselves from infection. I want to shar…

    Allergies, Colds, Covid -- how can a parent tell them apart? Young Asian girl crinkling her nose and closing her eyes like she's going to sneeze.
    June 17, 2020
    Allergies, Colds and COVID: How to Tell the Difference

    What follows is a breakdown of the symptoms of allergies, cold and flu, along with what we know so far about COVID. My hope is that this will provide parents with a quick checklist that can help asses…

    Treat prevent mosquito bites. Young Asian girl outdoors, surrounded by mosquitos. Mosquito Bites can cause minor irritation, severe allergic reaction, every where inbetween and in some cases spread disease.
    June 7, 2020
    The Itchy, Bumpy Blues: How to Treat and Prevent Mosquito Bites and Related Conditions

    Mosquito bites may be a nuisance, but fortunately, in the U.S., they tend to amount to nothing more than that. Upon being bitten, most Americans experience a bit of swelling and itchiness, and nothing…

    Four pregnant women of different skin colors. Chemical and pregnant women.
    May 25, 2020
    Chemicals and Pregnant Women: Taking Care of Your Unborn Baby

    Another study, done at the academic fertility center in Boston found that maternal preconceptive exposure to toxic chemicals, especially phthalates, increased the risk of preterm birth. This is the fi…

    Mother wearing a surgical mask while nursing her newborn. Caring for Babies and Small Children During COVID-19.
    May 11, 2020
    Caring for Babies and Small Children During COVID-19

    The good news is emerging evidence shows that coronavirus affects children and babies the least out of all age groups. While there have been a small number of newborns who have contracted the disease,…

    Asian baby eating a banana. Bananas are a great food for baby when starting solids.
    May 5, 2020
    Whole Foods as First Foods

    It may seem overwhelming at first, but in reality baby’s first food could be as simple as a nice banana, mashed with a bit of breast milk or formula. In the U.S. for many years the go-to for baby’…

    Two black children drawing on a tablet. Screen time quarantine.
    April 29, 2020
    Screen Time in the Age of Quarantine

    Not All Screen Time is Created Equal Screen time can be divided into four subcategories: passive, interactive, creative and communication.  Passive screen time includes entertainment where the vi…

    Young boy washing his hands to protect against coronavirus COVID-19
    April 28, 2020
    6 Feet & A Mask: Hygiene Practice and COVID-19

    Why 6 feet? Viruses are an inert threat, incapable of replicating without a host cell in which to do so. They are essentially a microscopic package of RNA, wrapped in a membrane, only able to travel a…