Caroline Elizabeth Day, MD
Family Medicine Physician · Saint Louis, MO
Caroline Elizabeth Day, MD is a family medicine physician with a practice address in Saint Louis, Missouri, and NPI 1093860652, issued on Jan 24, 2007. Check the license (Missouri 2007020548, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Caroline Elizabeth Day
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 2007020548 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4525 Scott Ave, Saint Louis, MO 63110
- Phone
- (314) 362-3523
- Enumerated
- Jan 24, 2007
- Record last updated
- Oct 15, 2024
- Fax
- (314) 362-0058
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,991 in Missouri → Look up another NPI →
Verify Caroline Elizabeth Day in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2007020548Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% more Medicare Part D claims than the average family medicine physician in 2024
6,842 Medicare Part D claims for 391 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 208 claims were for opioids.
Most prescribed
- Amlodipine Besylate411 claims
- Atorvastatin Calcium348 claims
- Fluticasone Propionate279 claims
- Lisinopril222 claims
- Omeprazole218 claims
- Gabapentin190 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $79.36
4 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Caroline Elizabeth Day among 2,991 family medicine physician records in Missouri
Caroline Elizabeth Day, MD is one of 2,991 family medicine physician records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2024 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in Missouri
There are 2,991 family medicine physician records in Missouri.
All 2,991 in Missouri → Every provider in Saint Louis → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Nathan Cobb, DOSaint Louis, MO 631101720648157
- Kenneth Hemba, MDSaint Louis, MO 631101760772966
- William Manard, MDSaint Louis, MO 631101912927534
- Erinn Pemberton, MDSaint Louis, MO 631101245974666
- Priya Roy, MDSaint Louis, MO 631101831547454
- Walton Sumner, MDSaint Louis, MO 631101265458483
- Rupal Trivedi, MDSaint Louis, MO 631101265635502
- Tinarose Trost, MDSt Louis, MO 631101942436571
Common questions
What is Caroline Elizabeth Day, MD's NPI number?
Caroline Elizabeth Day, MD's National Provider Identifier (NPI) is 1093860652, issued on Jan 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Caroline Elizabeth Day, MD located?
The NPPES record lists a practice address at 4525 Scott Ave, Saint Louis, MO, 63110. Phone: (314) 362-3523. Providers update this record themselves, so call before visiting.
How can I verify Caroline Elizabeth Day, MD's license?
NPPES lists Missouri license number 2007020548, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Caroline Elizabeth Day, MD prescribe under Medicare Part D?
In 2024, Caroline Elizabeth Day, MD had 6,842 Medicare Part D claims for 391 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.