EMILY C REZNICEK DO
NPI 1306378039
Internal Medicine - Gastroenterology in Saint Louis, MO

Q: What is Emily Reznicek's NPI number?

The NPI number for Emily Reznicek is 1306378039. It was assigned to this individual provider in the NPPES registry on March 31, 2017.

Q: What is Emily Reznicek's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Emily Reznicek was last updated on May 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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 March 31, 2017PECOS EnrolledAccepts Medicare Assignment

615 S NEW BALLAS RD STE 1200, SAINT LOUIS, MO 63141(314) 251-2880 Get Directions Write a Review

NPPES record last updated: May 7, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 7, 2024, Jul 25, 2023, Mar 31, 2017 (3 updates tracked since 2017).

On this page

About Emily C Reznicek Do NPPES

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

EMILY C REZNICEK DO (NPI 1306378039) is an individual gastroenterology provider in Saint Louis, Missouri, licensed in Missouri (2023013604) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1306378039

Entity TypeIndividualFemale

Primary Taxonomy207RG0100X

Provider Legal NameEMILY C REZNICEKCredential: DO

Location Address615 S NEW BALLAS RD STE 1200Saint Louis, MO 63141-8221

Mailing Address615 S New Ballas Rd Ste 1200Saint Louis, MO 63141-8221 · (314) 251-2880

Phone(314) 251-2880

Sole ProprietorNo

Medical School CMSAlabama College Of Osteopathic MedicineGraduated 2017

Enumeration DateMarch 31, 2017

Last NPPES UpdateMay 7, 20243 updates tracked since enumeration

NPPES CertifiedMay 7, 2024

✔ NPI 1306378039 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in MO · 2023013604

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

615 S NEW BALLAS RD STE 1200, Saint Louis, MO 63141

Open in Google Maps ↗

Secondary Practice Locations 3

Location 1621 S New Ballas Rd Ste 584ASaint Louis, MO 63141-8261 · Phone (314) 251-3600

Location 215945 Clayton Rd Ste 220Ballwin, MO 63011-2491 · Phone (314) 251-3880

Location 3200 Brevco Plz Ste 208Lake St Louis, MO 63367-2950 · Phone (636) 561-9020

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Emily C Reznicek Do 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 ID2961771910

PECOS Enrollment IDI20230615002362

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.

Medicare Billing Reassignment

Medicare enrollment records show Emily Reznicek reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mercy Clinic Gastroenterology, LLC

1.5 mi

Gastroenterology

621 S NEW BALLAS RD, SUITE 437-A
Saint Louis, MO 63141

Reassigned Medicare billing, Missouri enrollment
69 clinicians in this Medicare group

NPI 1528295334 (314) 251-3880

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 11

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

82 services42 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

55 services55 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

40 services40 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

31 services16 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

30 services17 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

23 services23 patients

Hospital Affiliations CMS Care Compare 2

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

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260020

Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County

Emergency services Birthing friendly

Missouri Baptist Medical Center

Acute Care Hospitals · Town And Country, MO

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260108

Location3015 N Ballas RdTown And Country, MO 63131 · St. Louis County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 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

$128.28 typical visit price

range $55.65 – $169.38

Typical copayment $32.07 (range $13.91 – $42.34)

Most-billed visit code 99204

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.

Other Providers at the Same Location NPPES 12

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

CATHERINE FILLEY HOWE MD

Internal Medicine (Gastroenterology)