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: 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: Charge Posting
Employed Since: 2015

I have been with ACM since 2015 and in the medical field for over 5 years.  I have a beautiful daughter named Olivia that I adore and love spending every minute with.  On my weekends I like going hiking with family and friends, every now and then I like to just relax and have a beer or glass of champagne.


Position: Collector
Employed Since: 2016

I started in Chiropractic as a C.A. at 19 years & now specialize in insurance collections.  I love the challenges of the work we do as the industry is always changing.  I am so happy I found a home with the ACM Family!  In my personal time I love to spend our SoCal sunny weekends outdoors; a drink in one hand, a book in the other & punk rock on the speakers!


Position: Payment Posting
Employed Since: 2016

Hi! My name is Dominic. I’ve been in the medical billing and accounting business for 15 years. I love my family, Lakers and Pats Baby! No matter how big your house is, how recent your car is, how big your bank account is, our grave will be the same! Stay humble!! God Bless!


Position: Office Manager
Employed Since: 2017

I have been in the medical billing field since I graduated Coding & Billing School in 2012.  I married the love of my life in 2017.  We live in Rancho Mission Viejo, which is our dream neighborhood.  We enjoy its amazing nature while biking or walking.  I love to spend my free time with my hubby and our family.  I love cats.  I have two cute kitties that my sisters (their aunts) babysit at their house.  I am a wine lover.  I never say no to an invitation for wine & chat… my friends call me Party Animal.  I am blessed and honored to be part of the ACM Team.  I love my job!


Position: Data Entry
Employed Since: 2017

I’ve been working in medical billing since I graduated coding and billing school in 2011. Hopefully, I can continue nursing school in the near future. I am a proud mom of a sweet and loving 8 year old boy. I love spending my weekends with my loved ones. I like to cook and eat good food and I love coffee as much as I love rice. I am glad to be a part of the ACM Team!


Position: Collector
Employed Since: 2017

I’ve been working in the medical billing field since I graduated UEI College a little over 4 years ago. I’ve loved my job ever since. In my personal time I enjoy doing activities with my family and making my loved ones smile. My family happiness is mine. I am honored to be a part of the ACM Team!