Lis Donaldson, President

Lis currently resides in Fallbrook, California. She is the proud mother of a beautiful daughter named Samantha who is attending San Francisco State University majoring in Bio-Chemistry.

Lis Donaldson, President

Beginning in the chiropractic industry at the age of nineteen as a massage therapist. She began working in Chiropractic offices shortly afterward and managing clinics in California while in her early twenties. She founded ACM in 1988 and has successfully managed hundreds of medical, chiropractic and rehabilitation facilities, incorporating acupuncture clinics and Lab billing into the business in the last several years.

Lis enjoys her good health, family, friends and neighbors. Working out and playing tennis when time allows, although admittedly, not very well! Her other true loves are Mexico, San Diego Charger Sundays and the love of her trusty K9, Andy.

Lee Ann Griffin, Vice President

Position: Vice President
Employed Since: 2001

Lee Ann got her start in the medical field as a teenager – working with her mother at a radiology office and billing service. Over the past years she has gained extensive knowledge in all aspects of medical billing for multiple specialties. She joined the ACM family in 2001.




Position: Payment Poster
Employed Since: 2008

I am originally from New Orleans and have been a resident of Orange County for 17 years now. I have worked in the medical billing field since the early 1980’s. I have had the pleasure of working with some great people over the years which has helped me to gain my knowledge and experience.

In my personal time I enjoy working out at the gym and also enjoy working in the garden at home.



Position: Collector
Employed Since: 1998

I have been married over sixteen years and have two daughters. I have been a part of ACM for almost 15 years and have been blessed to have the perfect part-time job!


Gina A

Position: Collector
Employed Since: 2012

I am the newest member of ACM having just moved from NYC six months ago, where I worked in chiropractic offices for the past nineteen years. I am really enjoying the beautiful scenery and looking forward to my first “winter” in Southern California.



Position: BC/BS Collector and Claims Submission
Employed Since: 2011

I have been with the ACM team for five years with six years of experience in chiropractic billing.

I enjoy traveling to many places, spending time with family and friends.



Position: Trainer
Employed Since: 1999

I started in the medical billing industry back in 1996,  I’m married to my highschool sweetheart and have a handsome son named Carl.  We love Disneyland and usually go once a week.   I also enjoy movies, crocheting, swimming & summer.   I’m so happy to be working at ACM.





Position: Payment Poster
Employeed Since: 2016

I was a chiropractic assistant for 14 years and started with ACM in March 2016. I have an 18 year old son, whom I adore, of course. I am an avid reader and love doing homemade/crafty things!



Position: Payment Poster
Employed Since: 2015

I have worked in the medical field since 1998.  I spend my Saturdays visiting family members with my daughter and watch football all day on Sundays, (GO Steelers!).  It is a privilege to have the opportunity to be working with the wonderful staff at ACM