
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Hammock, Clinical Cardiac Electrophysiologist in Quincy, IL?
Dr. John Hammock, MD is a Clinical Cardiac Electrophysiologist, who primarily practices in Quincy, IL with 2 additional practice locations. Dr. Hammock graduated from Southern Illinois Univ School of Medicine and is currently affiliated with Scotland County Hospital. Dr. Hammock is fluent in English, and is currently seeing new patients. Dr. Hammock’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hammock’s office.
Where did Dr. Hammock go to medical school and complete their residency?
Medical School: Southern Illinois Univ School of Medicine
What languages does Dr. Hammock speak?
Dr. Hammock and their clinical team can communicate with patients in the following languages:
English
What conditions does a Clinical Cardiac Electrophysiologist like Dr. Hammock typically treat?
As a Clinical Cardiac Electrophysiologist, Dr. Hammock diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Hammock. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Having a Pacemaker
- Having an Implantable Cardiac Defibrillator (ICD)
- Pacemakers and Implantable Defibrillators
- Heart pacemaker
- Artificial pacemaker
- Implanted heart device
- ICD implant
- Automatic defibrillator
- Implanted heart shock device
ICD-10 Codes:
- Z950: Presence of cardiac pacemaker
- Z95810: Presence of automatic (implantable) cardiac defibrillator
Also known as:
- Atrial Fibrillation
- Afib
- A-fib
- Irregular heart rhythm
ICD-10 Codes:
- I4891: Unspecified atrial fibrillation
- I480: Paroxysmal atrial fibrillation
Also known as:
- Other Cardiac Implants
- Heart Devices
- Cardiac Grafts
- Implantable Heart Devices
ICD-10 Codes:
- Z95818: Presence of other cardiac implants and grafts
Also known as:
- Systolic Heart Failure
- Heart Failure
- Heart Failure with Reduced Ejection Fraction
- HFrEF
- Pumping Heart Failure
ICD-10 Codes:
- I5020: Unspecified systolic (congestive) heart failure
Also known as:
- Other Pacemaker Part Management
- Pacemakers and Implantable Defibrillators
- Pacemaker Lead Adjustment
- Pacemaker Component Care
- Cardiac Pacing Device Adjustment
ICD-10 Codes:
- Z45018: Encounter for adjustment and management of other part of cardiac pacemaker
What procedures does a Clinical Cardiac Electrophysiologist like Dr. Hammock typically perform?
As a Clinical Cardiac Electrophysiologist, Dr. Hammock performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Hammock. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Subcutaneous Cardiac Rhythm Monitor Insertion
- Implantable Loop Recorder Insertion
- Under-Skin Heart Monitor
- Cardiac Event Recorder Implant
CPT Codes:
- 33285: Insertion, subcutaneous cardiac rhythm monitor, including programming
Also known as:
- Implantable Defibrillator Placement
- ICD insertion
- Permanent defibrillator implant
- Heart defibrillator replacement
- Transvenous defibrillator system
CPT Codes:
- 33249: Insertion or replacement of permanent implantable defibrillator system, with transvenous lead(s), single or dual chamber
Also known as:
- Left Ventricle Pacing Lead Insertion
- Cardiac Pacing Electrode Placement
- LV Lead Insertion
- Pacemaker Upgrade Lead
CPT Codes:
- 33225: Insertion of pacing electrode, cardiac venous system, for left ventricular pacing, at time of insertion of implantable defibrillator or pacemaker pulse generator (eg, for upgrade to dual chamber system) (List separately in addition to code for primary procedure)
Does Dr. Hammock accept my insurance?
Dr. Hammock accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Hammock accept in Quincy, IL?
Dr. Hammock in Quincy, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
6 Degrees Health
All Other Third Party
CVS Health (formerly Aetna)
Health Care Service Corporation
Medicaid
Medicare
Molina Healthcare
UnitedHealth Group
Unknown
Wellmark Blue Cross Blue Shield
View All Insurances
Where is Dr. Hammock's office located?
What is Dr. Hammock's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Hammock's National Provider Identifier (NPI) number is 1912082975.
What common questions do patients ask about Dr. Hammock?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Hammock
What is Dr. John Hammock's specialty?
Dr. Hammock is a Clinical Cardiac Electrophysiologist near Quincy, IL.
What does a Clinical Cardiac Electrophysiologist do?
A specialized domain within the cardiovascular disease subspecialty of Internal Medicine that involves advanced technical procedures to evaluate heart rhythms and determine the most appropriate treatments.
Is this Dr. John Hammock affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Hammock is affiliated with Blessing Hospital which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Clinical Cardiac Electrophysiologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Clinical Cardiac Electrophysiologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is John Hammock accepting new patients in Quincy, IL?
Yes, Dr. John Hammock is accepting new patients at this time.
Does Dr. John Hammock offer online booking?
Please contact Dr. Hammock's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Hammock?
Please contact Dr. Hammock's office for information regarding telehealth appointment availability or for scheduling assistance.
Other Clinical Cardiac Electrophysiologist Near Quincy, IL
SK
Clinical Cardiac Electrophysiologist
Dr. Santhisri Kodali, MD is a Clinical Cardiac Electrophysiologist, who primarily practices in Hannibal, MO.
Hannibal, MO

Clinical Cardiac Electrophysiologist
Dr. Jason Rytlewski, MD is a Clinical Cardiac Electrophysiologist, who primarily practices in Columbia, MO with 1 additional practice location. He has been practicing for over 14 years and is board certified.
Columbia, MO
JV
Clinical Cardiac Electrophysiologist
Dr. John Verbsky, MD is a Clinical Cardiac Electrophysiologist, who primarily practices in Columbia, MO with 2 additional practice locations.
Columbia, MO