MERCY CLINIC ST. LOUIS CANCER AND BREAST INSTITUTE, LLC
NPI 1891946349
Surgery - Surgical Oncology in Saint Louis, MO

Q: What is Mercy Clinic St. Louis Cancer And Breast Institute, LLC's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.

Active since October 02, 2008

621 S NEW BALLAS RD STE 260A, SAINT LOUIS, MO 63141(314) 251-8001(314) 256-5043 Get Directions Write a Review

NPPES record last updated: April 25, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Mercy Clinic St. Louis Cancer And Breast Institute, Llc NPPES

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

MERCY CLINIC ST. LOUIS CANCER AND BREAST INSTITUTE, LLC (NPI 1891946349), doing business as St Louis Cancer And Breast Institute, is a healthcare organization registered as a surgical oncology in Saint Louis, Missouri and active in the NPI registry since October 2008. The organization maintains a secondary practice location in Ballwin and lists Kerry Dunger, Executive Director - Finance, as its authorized official.

NPPES Registry Identity

NPI1891946349

Entity TypeOrganization

Primary Taxonomy2086X0206X

Legal Business NameMERCY CLINIC ST. LOUIS CANCER AND BREAST INSTITUTE, LLC

Location Address621 S NEW BALLAS RD STE 260ASaint Louis, MO 63141-8256

Mailing Address15945 Clayton Rd, Suite 120Ballwin, MO 63011-2490 · (636) 256-5000 · Fax (314) 989-1323

Phone(314) 251-8001

Fax(314) 256-5043

Organization SubpartYesParent: Mercy Clinic East Communities

Authorized OfficialKerry DungerExecutive Director - Finance · (314) 364-3707

Enumeration DateOctober 2, 2008

Last NPPES UpdateApril 25, 2025

NPPES CertifiedApril 25, 2025

✔ NPI 1891946349 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtySurgery · Surgical OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2086X0206X

Definition

A surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major portion of his or her professional practice to these activities and cancer research.

Also ListedInternal Medicine · HematologyTaxonomy 207RH0000X

Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X

Also ListedRadiology · Radiation OncologyTaxonomy 2085R0001X

621 S NEW BALLAS RD STE 260A, Saint Louis, MO 63141

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Other Names 1

Former Legal Business NameSt Louis Cancer And Breast Institute

Secondary Practice Location 1

Location 115945 Clayton Rd, Suite 120Ballwin, MO 63011-2490 · Phone (636) 256-5000 · Fax (314) 989-1323

Other Identifiers 1

Medicaid504721903MO

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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 ›

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 Mercy Clinic St. Louis Cancer And Breast Institute, LLC's NPI number?

The NPI number for Mercy Clinic St. Louis Cancer And Breast Institute, LLC is 1891946349. It was assigned to this organization in the NPPES registry on October 2, 2008. The provider was formerly known as St Louis Cancer And Breast Institute.

Where is Mercy Clinic St. Louis Cancer And Breast Institute, LLC located?

Mercy Clinic St. Louis Cancer And Breast Institute, LLC is located at 621 S New Ballas Rd Ste 260A, Saint Louis, MO 63141. The listed phone number is (314) 251-8001.

What is Mercy Clinic St. Louis Cancer And Breast Institute, LLC's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.

What insurance does Mercy Clinic St. Louis Cancer And Breast Institute, LLC 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 4 other insurers list Mercy Clinic St. Louis Cancer And Breast Institute, LLC 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 Mercy Clinic St. Louis Cancer And Breast Institute, LLC was last updated on April 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.