GREG FLAKER (M.D.) – Clinical Cardiac Electrophysiology Physician, NPI 1851342299
Clinical Cardiac Electrophysiology Physician
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Profile Insights
NPPES metrics only — not quality of care.
783 CARDIOVASCULAR DISEASE (CARDIOLOGY) in MO
Provider Addresses for GREG FLAKER (M.D.)
PO BOX 843966
KANSAS CITY, MO 641843966
Phone: (573) 884-3300
Fax: (573) 884-0943
Type: Mailing
500 N KEENE ST STE 406
COLUMBIA, MO 652018104
Phone: (573) 884-3278
Fax: (573) 884-1351
Type: Location
1 HOSPITAL DR
COLUMBIA, MO 652120001
Phone: (573) 882-2296
Fax: (573) 884-7743
Type: Location
Columbia Post Office, 6801, Oak Hall Lane, Howard County, Maryland, 21045, United States
COLUMBIA, MO 652057687
Phone: (573) 882-2259
Type: Mailing
Hospital Drive, Columbia, Boone County, Missouri, 65212, United States
COLUMBIA, MO 652120001
Phone: (573) 882-2296
Fax: (573) 884-7743
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 14 Open Payments records for all available years, with a total value of $565.
Total Amount is formed as General ($565) + Research ($0) + Ownership ($0) = $565.
Last reported payment date: 2024-11-27 • Largest payer in this snapshot: Biosense Webster, Inc. ($240).
Total Amount
$565
General + Research + Ownership
Payments
14
Total payment records
General Amount
$565
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Biosense Webster, Inc. | $240 |
| Medtronic, Inc. | $110 |
| SANOFI-AVENTIS U.S. LLC | $107 |
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | $55 |
| Daiichi Sankyo Inc. | $19 |
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: 2007-05-11
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20070511000204 | I | Cardiac Electrophysiology | 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 | 1,316 | 1,054 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 216 | 129 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 58 | 28 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 35 | 34 | $0 |
| 93280 | Programming of dual lead pacemaker system | 21 | 15 | $0 |
Insurance plans in this area (ZIP 64184)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIAC ELECTROPHYSIOLOGY | MO | 93280 | Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report | 176 | 112 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| H E M A T O L O G Y/ O N C O L O G Y | PA | |
| General Surgery | MO | |
| Family Practice | MO | |
| Psychiatry, Neurology | MO | |
| - | MO | |
| - | MO | |
| - | OH | |
| Family Practice | MO | |
| - | WA | |
| Diagnostic Radiology | MO |
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