Welcome to the Arrhythmia Center of Northern California
THE ARRHYTHMIA CENTER DREAM:
Founded in 2005, Arrhythmia Center of Northern California, Inc. (ACNC) entered a new chapter in 2017 when it officially began caring for patients under the medical group established by Walter T. Kusumoto, M.D., M.P.H. As CEO, Dr. Kusumoto proudly announced this milestone as a meaningful step toward fulfilling his long-standing vision of delivering innovative, cutting-edge, high-quality arrhythmia care to patients throughout Northern California.
In addition to his clinical leadership, Dr. Kusumoto is an accomplished medical innovator. He is the inventor of CaTHSTiX, a catheter stabilizer system that is FDA-registered and commercially marketed through his company, Kusmo.
DR. KUSUMOTO SERVING THE CHICO COMMUNITY SINCE 2005
Walter T. Kusumoto, M.D., M.P.H.
Chief Executive Officer – Arrhythmia Center of Northern California
Physician | Medical Director | Onsite Business Administrator
Founder & CEO – Kusmo
Dr. Walter T. Kusumoto is a board-certified cardiac electrophysiologist, physician executive, and medical innovator. He earned his Doctor of Medicine degree from Saint Louis University School of Medicine in 1995 and completed his residency in Internal Medicine at the University of California, Davis in 1998.
He went on to complete a fellowship in Cardiology in 2001, followed by a fellowship in Clinical Cardiac Electrophysiology in 2002, both at Oregon Health & Science University. In 2003, Dr. Kusumoto earned a Master of Public Health degree from Oregon Health & Science University in Portland, Oregon.
Dr. Kusumoto began his clinical career in electrophysiology in 2002 with Colorado Permanente. In 2005, he accepted a recruitment offer from Enloe Medical Center in Chico, California, where he has since served the community with distinction. From 2005 to the present, he has held the role of Director of Electrophysiology at Enloe Medical Center.
That same year, Dr. Kusumoto founded the Arrhythmia Center of Northern California, where he continues to provide specialized arrhythmia care to patients in the Chico community and throughout Northern California.
In addition to his clinical leadership, Dr. Kusumoto is the inventor of CaTHSTiX, an FDA-registered catheter stabilization system. He is the founder and CEO of Kusmo, a medical device company that markets CaTHSTiX to healthcare professionals across emergency medicine, intensive care, invasive and interventional cardiology, interventional radiology, anesthesiology, surgery, and hospital-based care. Additional information is available at Kusmo.com.
ACHIEVEMENTS:
Patents:
1. STYLETLESS CARDIAC LEAD EXTRACTION WITH ROLLING TRACTION HANDLE
2. PERICARDIOCENTESIS NEEDLE GUIDED BY CARDIAC ELECTROPHYSIOLOGY MAPPING
3. ELECTROPHYSIOLOGY MAPPING WITH ECHO PROBE DATA
4. LEAD PLACEMENT ASSISTED BY ELECTROPHYSIOLOGY MAPPING
5. MODULAR ELECTROPHYSIOLOGY MAPPING SYSTEM AND METHOD
6. INTRACARDIAC ULTRASOUND CATHETER HANDHELD ADAPTER
7. ULTRASOUND THERMOMETRY FOR ESOPHAGEAL OR OTHER TISSUE PROTECTION DURING ABLATION
8. LEAD EXTRACTION TOOL WITH LEVER AND DOUBLE ACTION DRIVE
9. CATHETER STABILIZER AND GRIP
10. CATHETER STABILIZER AND GRIP PCT (International patents)
11. Confidential patents (2) not filed yet
Publications Raitt M; Kusumoto W. “Correlations Among the Frequencies of Atrial Activity on the Surface Electrocardiogram, Intracardiac Atrial Electrograms and the Atrial Effective Refractory Period in Patients with Atrial Fibrillation.” Journal of Electrocardiology, Jan 2012.
Raitt M; Kusumoto W; Giraud G; Mcanulty J. “Reversal of Electrical Remodeling After Cardioversion of Persistent Atrial Fibrillation.” Journal of Cardiovascular Electrophysiology, May 2004 . 15(5): 507-512.
Raitt M; Kusumoto W; Giraud G; Mcanulty J. “Electrophysiologic Predictors of the Recurrence of Persistent Atrial Fibrillation Within 30 Days of Cardioversion.” American Journal of Cardiology, Jan 2004. 93(1): 107-110.
Okuyama T.; Waheed A; Kusumoto W; Zhu Xl; Sly WS. “Carbonic Anhydrase IV: Role of Removal of C-terminal Domain in Glycosylphosphatidylinositol Anchoring and Realization of Enzyme Activity.” Archives of Biochemistry and Biophysics, July 10, 1995. 320(2):315-322.
Book Kusumoto W.; Kusumoto F. “Wide Complex Tachycardia.” ECG Chapter Interpretation, Publication pending 2003.
Vicki Business Administration Business Security Officer
Vicki serves the Arrhythmia Center of Northern California (ACNC) as its Management Team Administrator and Business Security Officer. Because Dr. Kusumoto’s primary concern is the well-being and care of his patients, Vicki’s goal is to ensure that Dr. Kusumoto, his management team and staff have the necessary tools to provide excellent patient care services..
Maria Clinical Manager HIPAA Security Officer
Maria is the Arrhythmia Center of Northern California's (ACNC's) Clinical Office Manager. She has been working for ACNC since 2012 and is responsible for the clinical office patient services. Maria manages our office calendar, is responsible for staff training and oversight, coordinates the staff/device representative schedules and is
Maria is the Arrhythmia Center of Northern California's (ACNC's) Clinical Office Manager. She has been working for ACNC since 2012 and is responsible for the clinical office patient services. Maria manages our office calendar, is responsible for staff training and oversight, coordinates the staff/device representative schedules and is responsible for orchestrating the balance of business and clinical operations and ensures that our EHR Billing Team provides accurate billing services. Of Maria it could be rightly said that she is a proverbial, "Jack of all trades". With her great problem solving skills, it is Maria who will operate in the capacity of Ombudsman if patients need to speak with management. As you can see by her photo, Maria's smile can easily help patients and staff feel at ease
Francisca, CMA Procedure Scheduler
Amy, Medical Receptionist EACH VISIT Patient Demographics Educational Data PHR/Email Set-up Check-in/Check-out Deductible/Co-pay/Balance Collections | Email/Insurance
Francisca began working for the Arrhythmia Center of Northern California (ACNC) in 2024 as a permanent full-time medical assistant and came to us with years of experience..
She works with the doctor, the hospital and the patient to coordinate the procedure details.
On clinic days you will see Francisca with the other MAs rooming patients and taking vitals.
Amy, Medical Receptionist EACH VISIT Patient Demographics Educational Data PHR/Email Set-up Check-in/Check-out Deductible/Co-pay/Balance Collections | Email/Insurance
Amy, Medical Receptionist EACH VISIT Patient Demographics Educational Data PHR/Email Set-up Check-in/Check-out Deductible/Co-pay/Balance Collections | Email/Insurance
It is Amy who you will greet you when you first come into our office and it is Amy who is normally the first to answer calls. Amy is our patient record keeper and will verify some items at each appointment and manage your annual patient information packet.
When you have questions, Amy will direct you to the person who can best help.
Addi
It is Amy who you will greet you when you first come into our office and it is Amy who is normally the first to answer calls. Amy is our patient record keeper and will verify some items at each appointment and manage your annual patient information packet.
When you have questions, Amy will direct you to the person who can best help.
Additionally, at each appointment check-in, Amy will verify current insurance, email addresses, physical addresses and current phone numbers. When you have finished an appointment, Amy will assist you with the check-out process and will reschedule your next appointment.
Ashlee, MA Chart Data Coordinator
Ashlee, MA Chart Data Coordinator
Ashlee works as a Medical Assistant on clinic days and may perform EKGs, Holter/Event Monitor hook-ups, take vitals, update medication lists etc...
On non-clinic days Ashlee performs chart-check duties. It is Ashlee who ensures that your current test and labs are available for the doctor during your office visit.
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Miria, MA
Miria works as a Medical Assistant on Clinic days and in in Charge of our New Patient Referrals and scheduling.
If you are a new patient and have questions you can direct them to Miria.
Crystal L, MA
Crystal L, MA
On clinic days Crystal rooms patients and takes vitals. On non-clinic days Crystal manages our Accounts Payable, our Policy and Procedures Publications; plus, Crystal works as a personal assistant to Maria and Vicki