Doctor profile · Federal record

Dr. Michael Klein, M.D.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Internal Medicine Physician · Saint Louis, MO

  • NPI 1871756379
  • Accepts Medicare
  • 18 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3023 N Ballas RD Ste 200D
Saint Louis, MO 631312328
(314) 996-7272
fax (314) 996-6785

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
March 12, 2021
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State licenses (2)
Missouri #2015011524 · Illinois #125054425

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871756379. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,258
Distinct HCPCS
10
Medicare allowed
$172,892
HCPCS Description Services Patients Avg allowed
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 433 406 $66
99214 Established patient office or other outpatient visit, 30-39 minutes 424 342 $124
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 122 122 $20
93325 Ultrasound of heart with color-depicted blood flow, rate and valve function 117 114 $3
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 115 115 $14
93320 Ultrasound of heart blood flow, valves and chambers 111 109 $17
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 105 64 $77
93312 Ultrasound of heart with probe in esophagus, with report 103 101 $103
93355 Ultrasound of heart with probe in esophagus during surgery on heart or great blood vessels with report 97 91 $217
80061 Blood test, lipids (cholesterol and triglycerides) 87 86 $13

In context: peer comparison

Among 60 peers in this city , average services per provider: 118. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,050
Transactions
26
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 9 $1,482.15
Edwards Lifesciences Corporation 10 $1,416.81
Boston Scientific Corporation 2 $67.75
Siemens Medical Solutions USA, Inc. 2 $37.88
E.R. Squibb & Sons, L.L.C. 1 $16.70
HEARTFLOW, INC. 1 $15.18
PFIZER INC. 1 $13.66

By nature of payment

Travel and Lodging
$2,551
Food and Beverage
$499

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,674
Patients
1,379
Total drug cost
$753,731
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 771 227 $15,285
Rosuvastatin Calcium Generic 665 205 $11,375
Eliquis (Apixaban) Brand 456 107 $530,131
Atorvastatin Calcium Generic 447 136 $6,700
Losartan Potassium Generic 390 119 $4,613
Furosemide Generic 358 111 $2,738
Lisinopril Generic 334 107 $3,055
Carvedilol Generic 298 90 $3,565
Spironolactone Generic 214 70 $1,802
Amlodipine Besylate Generic 197 58 $1,371

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Klein's medical specialty?
Dr. Michael Klein practices Cardiovascular Disease Physician in Saint Louis, MO.
Where does Dr. Michael Klein practice?
Dr. Michael Klein practices at 3023 N Ballas RD Ste 200D, Saint Louis, MO 631312328. Office phone: 3149967272.
What is Dr. Michael Klein's NPI?
Dr. Michael Klein's National Provider Identifier (NPI) is 1871756379, issued by NPPES.
Does Dr. Michael Klein accept Medicare assignment?
Yes. Dr. Michael Klein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Klein commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Established patient office or other outpatient visit (HCPCS 99214); Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician (HCPCS 93016). Source: CMS Medicare Physician & Other Practitioners file.