An Introduction to Our Veterinary Team

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Meet Us!

As a community veterinary clinic, All Care Animal Hospital strives to provide the highest level of care possible to all four-legged creatures who come through our doors. Our team of licensed vets have extensive experience serving pet owners throughout Lake County. Whether it’s a routine check-up or you’re in need of emergency veterinary care, dog training, or pet boarding; we welcome you and your pet to visit our animal hospital in Minneola, FL.

Cat licking its mouth

Are you new to
All Care Animal Hospital?

Dr. Colleen McCain, Owner & Vet at All Care Animal Hospital

Meet Dr. Colleen McCain, Owner of All Care Animal Hospital

How a Down Cow Led to a Lifetime of Passionate Veterinary Care

I lived in the Sanford, Florida, area as a young child and then moved to Michigan. My first winter there, I almost got lost in a snowdrift. I am a 2000 Michigan State Graduate; go Spartans! For the first two years, I practiced in rural Michigan. During this time, I gained experience in all aspects of veterinary medicine. The most unusual pet I worked on was a skunk, and she did well. I had a Holstein convince me I was not interested in being a cow doctor.

On a frigid 5:30 AM Michigan morning, I had an emergency call for a down cow. She had a problem that usually they are very sick from and will just lay there while you treat them. I fixed the problem, went to get some antibiotics for her. She stood up, looked at me, and then started chasing me around the stall. The bull in the barn became upset and began posturing outside the stall. I realized as I was running around the stall that I still could not feel my feet. They were so cold. The cow did great, however. I have been a cat/dog vet ever since.

Returning to Warmer Weather

I have taken a roundabout way to make it back to Florida. Dr. Zagrocki describes to me a nomad following family. I am no longer a nomad. I am staying for years to come. However, I did choose to come back here to practice since my family is back here again. Prior to purchasing All Care Animal Hospital, I managed a veterinary clinic for a corporation for 6 years. I miss my clients, hopefully they will retire here and I will get to see them again. Dr. Zagrocki grew All Care Animal Hospital into a great clinic with great clientele. I will be continuing his traditions of good client service and practicing quality medicine.

What Have I Been Up To…?

The first year was equivalent to having a newborn with colic. I was so proud and excited to be an owner yet could not find sleep, and it was trial and error to see what worked for the hospital. I cannot give enough praise to my team, many of whom stayed with me after the purchase, and the clients for taking the opportunity to get to know me.

Since everyone seems to be enjoying coming to the hospital, I believe we are on the right track. We became proud supporters of Building Blocks, providing support and training for people with developmental and other disabilities. We keep a position available just for someone from Building Blocks. In addition, we had two high school volunteers for the summer. A couple of teenagers kept the team hopping.

Down the Road

The second-year has been tweaking and oiling the machine. This would inherently seem less challenging; however, making subtle changes can be difficult to institute when people are functioning well. The best description is the new communication board. I enclosed the surgery window and had whiteboards mounted. It serves as a means of knowing what is going on in the hospital with all pets. You should have seen everyone’s faces when the window disappeared. Today they love the board in ways I did not anticipate. Of course, I am already thinking of what I will tweak next—leaving that as a surprise for the team next year.

On the Side

For me personally, I started Hapkido. Hapkido is the art of coordinated power. It is a culmination of multiple martial arts that are utilized for self-defense. Grandmaster Billy Burchett, a 9th-degree black belt, and all the black club belts are teaching me. Hapkido allows me to focus on improving myself both physically and mentally. This is a great way to forget a day’s troubles. Either focus on the art or get punched (they don’t swing hard) in the nose.

Local volunteerism was what I was looking to be able to do as an owner. Working for other doctors was too time restrictive to allow for volunteerism. I have continued on with All Care’s history of supporting Minneola Kiwanis. Kiwanis focuses on children encouraging studious behavior and community outreach programs. I am sure you have seen the Terrific Kids bumper stickers that are the Kiwanis club’s support. The high school Key Club is fully supported by the local Kiwanis club. Our local club is focused on growing the annual Bark in the Park. It is our means of fundraising for college scholarships and rewards for the elementary students programs.

Most recently, I started cross fit with Chris from Mean Gene’s Machine. He is well organized, light-hearted, and knowledgeable with his routines. It beats the heck out of the mind-numbing routine of weight lifting in a gym!

Thank You!

I am thoroughly enjoying living and practicing in the area. People here are a pleasure. The more I am here, the more I look forward to the next 20 years.


Dr. Marc Greenstein, Veterinarian at All Care Animal Hospital

Dr. Marc Greenstein

I was born and raised in Hartford, Connecticut. I received my DVM from Michigan State in 1983. I then practiced mixed animal medicine in central Michigan for several years before moving to Florida. I have practiced emergency medicine for over 18 years before associating with ACAH. I have many interests. However, my passions are SCUBA diving and photography.
Dr. Rosario, Veterinarian at All Care Animal Hospital

Dr. Peterson

Dr. Peterson is originally from southern Wisconsin. Her love for animals began with the shih tzu dogs she grew up with. She got her bachelor of Science in biology from the University of Wisconsin-Madison in 2017. Go Badgers! She then went on to veterinary school at St. Matthew’s University on Grand Cayman Island. She obtained her DVM in 2023 after completing her clinical year at the University of Illinois Champaign- Urbana. She has been enjoying her new home in Florida and spending time with her dog Rufus.

Dr. Benitez, Veterinarian at All Care Animal Hospital

Dr. Benitez

Dr. Benitez is originally from Miami, FL where she grew up on a small hobby farm in the Redland area. She received her Bachelor of Science degree in Biology in 2015 from Florida International University. She also received her Master’s in Public Health with a focus in epidemiology from Florida International University in 2018. Soon after receiving her MPH, she began her veterinary school journey at Ross University School of Veterinary Medicine and received her Doctor of Veterinary Medicine degree in 2022. She completed her clinical year at Louisiana State University. Some of her favorite things to do in her time off include hanging out with family and friends, kayaking, snorkeling, escape rooms, and going on walks with her dog, Popeye.

Dr. Marc Greenstein, Veterinarian at All Care Animal Hospital

Manager Jamie

I am a certified veterinarian technician and I am the vet tech manager at All Care Animal Hospital. I have been employed at All Care Animal Hospital since June 2011. I volunteer as an animal foster to multiple rescues, and I specialize in bottle feeding. I am in the army reserve, and I have been in the military for 14 years. I love working with the animals and help providing them with the care they need and deserve.

Dr. Marc Greenstein, Veterinarian at All Care Animal Hospital

Manager Jessi

Dr. Rosario, Veterinarian at All Care Animal Hospital

Manager Torie

Allow All Care Animal Hospital to keep your pet healthy for a lifetime! To book a pet wellness visit, call 352-394-7444 or send a note today!


504 S Hwy 27 #2748
Minneola, FL, 34715


Monday & Thursday:
8:00 AM to 7:00 PM

Tuesday, Wednesday, Friday:
8:00 AM to 6:00 PM

8:00 AM to 3:00 PM