DR. CAROLINE ELIZABETH DAY MD
NPI 1093860652
Family Medicine in Saint Louis, MO

Q: What is Caroline Day's NPI number?

The NPI number for Caroline Day is 1093860652. It was assigned to this individual provider in the NPPES registry on January 24, 2007.

Q: What is Caroline Day's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Caroline Day was last updated on October 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 24, 2007PECOS Enrolled

4525 SCOTT AVE, STE 3420, SAINT LOUIS, MO 63110(314) 362-3523(314) 362-0058 Get Directions Write a Review

NPPES record last updated: October 15, 2024. Verified against the NPPES registry weekly; last sync: August 30, 2026.

On this page

About Dr. Caroline Elizabeth Day Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CAROLINE ELIZABETH DAY MD (NPI 1093860652) is an individual family medicine provider in Saint Louis, Missouri, licensed in Missouri (2007020548) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1093860652

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameDR. CAROLINE ELIZABETH DAYCredential: MD

Location Address4525 SCOTT AVE, STE 3420Saint Louis, MO 63110-1030

Mailing AddressPo Box 60352Saint Louis, MO 63160-0352 · (314) 362-3523 · Fax (314) 362-0058

Phone(314) 362-3523

Fax(314) 362-0058

Sole ProprietorNo

Enumeration DateJanuary 24, 2007

Last NPPES UpdateOctober 15, 2024

✔ NPI 1093860652 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in MO · 2007020548

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Also ListedInternal MedicineTaxonomy 207R00000X · License 2007020548 (MO)

4525 SCOTT AVE, Saint Louis, MO 63110

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Caroline Elizabeth Day Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

38 services26 patients

Blood glucose (sugar) test performed by hand-held instrument 82962

A blood glucose test uses a handheld device to measure the amount of sugar in your blood. A small prick on your finger allows a drop of blood to be placed on a test strip, which is then read by the device. This helps monitor and manage diabetes effectively.

27 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$86.32 typical visit price

range $55.65 – $169.38

Typical copayment $21.58 (range $13.91 – $42.34)

Most-billed visit code 99203

Established Patient

$98.37 typical visit price

range $17.76 – $137.92

Typical copayment $24.59 (range $4.44 – $34.48)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

6 suppliers15 claims50 services$3.04 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Caroline Day's NPI number?

The NPI number for Caroline Day is 1093860652. It was assigned to this individual provider in the NPPES registry on January 24, 2007.

Where is Caroline Day located?

Caroline Day practices at 4525 Scott Ave Ste 3420, Saint Louis, MO 63110. The listed phone number is (314) 362-3523.

What is Caroline Day's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Caroline Day enrolled in Medicare?

Yes. Caroline Day is registered in the Medicare PECOS enrollment system.

What insurance does Caroline Day accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 2 other insurers list Caroline Day as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Caroline Day was last updated on October 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.