Doctor profile · Federal record

Dr. Stanley Vriezelaar, M.D.

Internal Medicine Physician · Saint Louis, MO

  • NPI 1649252552
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1027 Bellevue Ave, Suite 107
Saint Louis, MO 631171851
(314) 645-3743
fax (314) 647-7967
Mailing address
Po Box 23340
Saint Louis, MO 631563340

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
October 1, 2012
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Missouri #R4D79

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649252552. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,432
Distinct HCPCS
10
Medicare allowed
$61,873
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 264 138 $123
36415 Insertion of needle into vein for collection of blood sample 228 167 $8
80053 Blood test, comprehensive group of blood chemicals 147 132 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 113 100 $8
80061 Blood test, lipids (cholesterol and triglycerides) 96 94 $13
83036 Hemoglobin a1c level 95 70 $9
84443 Blood test, thyroid stimulating hormone (tsh) 60 53 $16
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 54 54 $125
G0008 Administration of influenza virus vaccine 45 45 $30
99213 Established patient office or other outpatient visit, 20-29 minutes 40 35 $88

In context: peer comparison

Among 216 peers in this city , average services per provider: 171. This provider delivers 8.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$432
Transactions
23
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 4 $76.50
AstraZeneca Pharmaceuticals LP 4 $71.63
Lilly USA, LLC 3 $61.53
PFIZER INC. 3 $45.33
Abbott Laboratories 2 $43.26
Novo Nordisk Inc 2 $41.89
Exact Sciences Corporation 1 $31.74
GlaxoSmithKline, LLC. 2 $30.41
Teva Pharmaceuticals USA, Inc. 1 $16.62
Merck Sharp & Dohme LLC 1 $13.25

By nature of payment

Food and Beverage
$432

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,917
Patients
1,408
Total drug cost
$167,142
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 865 245 $12,648
Amlodipine Besylate Generic 620 186 $4,667
Metformin Hcl Generic 410 123 $3,602
Lisinopril Generic 409 114 $3,155
Losartan Potassium Generic 385 123 $5,205
Hydrochlorothiazide Generic 292 90 $1,413
Omeprazole Generic 259 73 $3,312
Furosemide Generic 252 68 $2,243
Levothyroxine Sodium Generic 238 63 $4,308
Pantoprazole Sodium Generic 231 71 $3,878

Frequently asked questions

Auto-generated from federal data
What is Dr. Stanley Vriezelaar's medical specialty?
Dr. Stanley Vriezelaar practices Internal Medicine Physician in Saint Louis, MO.
Where does Dr. Stanley Vriezelaar practice?
Dr. Stanley Vriezelaar practices at 1027 Bellevue Ave, Saint Louis, MO 631171851. Office phone: 3146453743.
What is Dr. Stanley Vriezelaar's NPI?
Dr. Stanley Vriezelaar's National Provider Identifier (NPI) is 1649252552, issued by NPPES.
What procedures does Dr. Stanley Vriezelaar commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.