Doctor profile · Federal record

Dr. Greg Flaker, M.D.

Clinical Cardiac Electrophysiology Physician (CMS: Cardiac Electrophysiology) · Columbia, MO

  • NPI 1851342299
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 50 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
500 N Keene St Ste 406
Columbia, MO 652018104
(573) 884-3278
fax (573) 884-1351
Mailing address
Po Box 843966
Kansas City, MO 641843966

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
October 2, 2024
Year of graduation
1976 — 50 yrs since
Specialty taxonomy
207RC0001X — NUCC code
State license (1)
Missouri #R8297
Medicaid
MO #201509908

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851342299. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,684
Distinct HCPCS
8
Medicare allowed
$46,982
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 1,231 969 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 216 129 $93
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 85 85 $8
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 58 28 $114
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 35 34 $163
93280 Programming of dual lead pacemaker system 21 15 $35
99213 Established patient office or other outpatient visit, 20-29 minutes 20 18 $63
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $127

In context: peer comparison

Among 3 peers in Columbia Clinical Cardiac Electrophysiology Physician, average services per provider: 114. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$257
Transactions
6
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Biosense Webster, INC. 1 $117.26
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 2 $55.46
Medtronic, INC. 1 $47.76
Sanofi-Aventis U.S. LLC 1 $19.77
Novartis Pharmaceuticals Corporation 1 $16.43

By nature of payment

Food and Beverage
$257

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,472
Patients
411
Total drug cost
$388,915
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 204 63 $3,967
Eliquis (Apixaban) Brand 186 43 $217,160
Metoprolol Succinate Generic 120 37 $3,051
Lisinopril Generic 117 35 $1,382
Amlodipine Besylate Generic 107 34 $1,321
Furosemide Generic 106 26 $976
Spironolactone Generic 104 31 $1,801
Entresto (Sacubitril/Valsartan) Brand 80 17 $92,221
Losartan Potassium Generic 76 27 $1,946
Carvedilol Generic 73 22 $1,512

Frequently asked questions

Auto-generated from federal data
What is Dr. Greg Flaker's medical specialty?
Dr. Greg Flaker practices Clinical Cardiac Electrophysiology Physician in Columbia, MO.
Where does Dr. Greg Flaker practice?
Dr. Greg Flaker practices at 500 N Keene St Ste 406, Columbia, MO 652018104. Office phone: 5738843278.
What is Dr. Greg Flaker's NPI?
Dr. Greg Flaker's National Provider Identifier (NPI) is 1851342299, issued by NPPES.
Does Dr. Greg Flaker accept Medicare assignment?
Yes. Dr. Greg Flaker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Greg Flaker commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.