Doctor profile · Federal record

Dr. Caroline Day, MD

Family Medicine Physician · Internal Medicine Physician · Saint Louis, MO

  • NPI 1093860652
  • 19 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4525 Scott Ave, Ste 3420
Saint Louis, MO 631101030
(314) 362-3523
fax (314) 362-0058
Mailing address
Po Box 60352
Saint Louis, MO 631600352

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
October 15, 2024
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Missouri #2007020548

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093860652. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
82
Distinct HCPCS
2
Medicare allowed
$528
HCPCS Description Services Patients Avg allowed
83036 Hemoglobin a1c level 42 24 $10
82962 Blood glucose (sugar) test performed by hand-held instrument 40 22 $3

In context: peer comparison

Among 71 peers in this city , average services per provider: 73. This provider delivers 1.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$79
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 2 $42.49
SANOFI PASTEUR INC. 1 $23.67
Novo Nordisk Inc 1 $13.20

By nature of payment

Food and Beverage
$79

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,830
Patients
644
Total drug cost
$38,326
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 436 98 $3,181
Atorvastatin Calcium Generic 363 87 $4,854
Lisinopril Generic 263 58 $2,281
Fluticasone Propionate Generic 231 64 $4,092
Omeprazole Generic 226 43 $3,541
Hydrochlorothiazide Generic 170 36 $621
Gabapentin Generic 166 39 $4,280
Metoprolol Succinate Generic 150 29 $2,748
Famotidine Generic 148 19 $1,699
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 146 39 $3,720

Frequently asked questions

Auto-generated from federal data
What is Dr. Caroline Day's medical specialty?
Dr. Caroline Day practices Family Medicine Physician in Saint Louis, MO.
Where does Dr. Caroline Day practice?
Dr. Caroline Day practices at 4525 Scott Ave, Saint Louis, MO 631101030. Office phone: 3143623523.
What is Dr. Caroline Day's NPI?
Dr. Caroline Day's National Provider Identifier (NPI) is 1093860652, issued by NPPES.
What procedures does Dr. Caroline Day commonly perform?
Top Medicare-reported procedures in 2023: Hemoglobin a1c level (HCPCS 83036); Blood glucose (sugar) test performed by hand-held instrument (HCPCS 82962). Source: CMS Medicare Physician & Other Practitioners file.