DR. JOHN DAVID HAMMOCK (M.D.) – Clinical Cardiac Electrophysiology Physician, NPI 1912082975
Clinical Cardiac Electrophysiology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
1,594 CARDIOVASCULAR DISEASE (CARDIOLOGY) in IL
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Provider Addresses for DR. JOHN DAVID HAMMOCK (M.D.)
927 BROADWAY ST STE 230
QUINCY, IL 623012749
Phone: (217) 224-6423
Fax: (217) 221-1344
Type: Mailing
927, Broadway Street, Quincy, Adams County, Illinois, 62301, United States
SUITE 200
QUINCY, IL 623012719
Phone: (217) 224-6423
Fax: (217) 221-1344
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 93 Open Payments records for all available years, with a total value of $3,161.
Total Amount is formed as General ($3,161) + Research ($0) + Ownership ($0) = $3,161.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Medtronic, Inc. ($1,137).
Total Amount
$3,161
General + Research + Ownership
Payments
93
Total payment records
General Amount
$3,161
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $1,137 |
| Biosense Webster, Inc. | $836 |
| Medical Device Business Services, Inc. | $645 |
| Boston Scientific Corporation | $246 |
| Abbott Laboratories | $199 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-04-22
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050525000268 | I | Cardiac Electrophysiology | IL | TBD |
| I20100422000082 | I | Cardiovascular Disease (Cardiology) | MO | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 1,140 | 696 | $0 |
| 93294 | Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | 698 | 270 | $0 |
| 93298 | Evaluation of cardiac rhythm monitor system, remote up to 30 days | 671 | 108 | $0 |
| 93297 | Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days | 600 | 107 | $0 |
| 93295 | Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days | 300 | 112 | $0 |
Insurance plans in this area (ZIP 62301)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIAC ELECTROPHYSIOLOGY | IL | 78452 | Nuclear medicine study of vessels of heart using drugs or exercise multiple studies | 100 | 100 |
| CARDIAC ELECTROPHYSIOLOGY | IL | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 1417 | 935 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| Nurse Practitioner | IL | |
| N E U R O L O G Y | MI | |
| Radiation Oncology | IL | |
| Nurse Practitioner | IL | |
| Nurse Practitioner | IL | |
| Pain Management, Anesthesiology | IL | |
| Family Practice, Emergency Medicine | IL | |
| Nurse Practitioner | IL | |
| Family Practice | IL |
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