ANN RENEE DAVIS MD
NPI 1528012846
Internal Medicine - Cardiovascular Disease in Naperville, IL

Q: What is the provider's specialty?

The provider's specialty is Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.

Active since May 20, 2006PECOS EnrolledAccepts Medicare Assignment

801 S WASHINGTON ST FL 4, NAPERVILLE, IL 60540(630) 600-0700(630) 600-0701 Get Directions Write a Review

NPPES record last updated: July 14, 2021. Verified against the NPPES registry weekly; last sync: July 19, 2026.

On this page

About Ann Renee Davis Md NPPES

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

ANN RENEE DAVIS MD (NPI 1528012846) is an individual cardiovascular disease provider in Naperville, Illinois, licensed in Illinois (036.088789) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Elmhurst Memorial Hospital, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1992).

NPPES Registry Identity

NPI1528012846

Entity TypeIndividualFemale

Primary Taxonomy207RC0000X

Provider Legal NameANN RENEE DAVISCredential: MD

Location Address801 S WASHINGTON ST FL 4Naperville, IL 60540-7430

Mailing Address801 S Washington St Fl 4Naperville, IL 60540-7430 · (630) 600-0700 · Fax (630) 600-0701

Phone(630) 600-0700

Fax(630) 600-0701

Sole ProprietorNo

Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 1992

Enumeration DateMay 20, 2006

Last NPPES UpdateJuly 14, 2021

NPPES CertifiedJuly 14, 2021

✔ NPI 1528012846 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

Licenses✔ Licensed in IL · 036.088789✔ Licensed in IL · 036088789

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

801 S WASHINGTON ST FL 4, Naperville, IL 60540

Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ann Renee Davis Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1355471590

PECOS Enrollment IDI20100614000716

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 7

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit, 30-39 minutes 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

786 services468 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

168 services165 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

85 services81 patients

New patient office or other outpatient visit, 45-59 minutes 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

71 services71 patients

Electrocardiogram (ecg) up to 30 days continuous with transmission of patient triggered events with review and report by health care professional 93229

An Electrocardiogram (ECG) is a test that records your heart's electrical activity for up to 30 days. You trigger a transmission if you feel symptoms, which is then reviewed by a healthcare professional. The report helps diagnose heart conditions.

35 services35 patients

Follow-up hospital inpatient care per day, typically 35 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

23 services18 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Elmhurst Memorial Hospital

Acute Care Hospitals · Elmhurst, IL

4/5 CMS rating

OwnershipProprietary

CMS Certification Number140200

Location155 East Brush Hill RoadElmhurst, IL 60126 · Du Page County

Emergency services Birthing friendly

Edward Hospital

Acute Care Hospitals · Naperville, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140231

Location801 South WashingtonNaperville, IL 60540 · Du Page County

Emergency services Birthing friendly

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140242

Location25 North Winfield RoadWinfield, IL 60190 · Du Page County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60540 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

$137.43 typical visit price

range $59.81 – $181.38

Typical copayment $34.35 (range $14.95 – $45.34)

Most-billed visit code 99204

Established Patient

$74.38 typical visit price

range $19.15 – $147.12

Typical copayment $18.59 (range $4.78 – $36.78)

Most-billed visit code 99213

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

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SUZANNE LEA WALLACE NP

Nurse Practitioner (Acute Care)