Meet The Doctors



Dr. Nathan Hein

Nathan Hein, DVM was born and raised in Eastern Iowa.  Nathan garnered both his undergraduate and veterinary degrees from Iowa State graduating from the College of Veterinary Medicine in 2004. Nathan then completed an internship program and practiced as an associate veterinarian in Houston, Texas prior to moving back to Iowa. 

Nathan and his wife Joanna took ownership of Heartland Animal Hospital in October of 2010.  With great support from the community of Marion, the hospital grew to a point where it needed more space to meet the needs of its growing client base.  In 2015, he led the construction of the new hospital at its current location.

Dr. Hein's professional interests include ophthalmology, diagnostic imaging (radiology and ultrasonography), dental care, and surgery.  Nathan continues to pursue on-going education in dental care and ultrasound to enhance the hospital’s service in these two areas. 

He enjoys golfing, triathlons, and spending time with his family. A great passion of Nathan’s is supporting and attending Iowa State University football and basketball games with his family. 


Dr. Erin Meaney

Erin Meaney, DVM, grew up on a farm near Oelwein, Iowa where she spent most of her free time wrestling barn cats.  She knew at a young age that she wanted to become a veterinarian.  Erin received an Associate of Science degree from Ellsworth Community College and earned her DVM from Iowa State College of Veterinary Medicine in 1996. 

Dr. Meaney has practiced veterinary medicine in the Cedar Rapids/Marion area for many years and wanting a professional change joined Heartland Animal in March of 2020.  She loves variety that general practice provides, but has special interests in surgery, feline medicine and behavior, geriatrics and hospice care.

Erin currently has 7 felines: Gargamel, Punkie Mangelwurzel, Arthur Garfunkel, Pipkin Rabscuttle, Gladys and Walter (the twins), and Robin Zander.  She enjoys gardening, reading and music in her spare time.

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