MERCY CLINIC NEUROLOGY, LLC
NPI 1053479188
Psychiatry & Neurology - Neurology in Saint Louis, MO

Active since December 04, 2006
621 S NEW BALLAS RD, SUITE 6005-B, SAINT LOUIS, MO 63141(314) 251-6075(314) 251-6634 Get Directions Write a Review

NPPES record last updated: April 28, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mercy Clinic Neurology, Llc NPPES

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

MERCY CLINIC NEUROLOGY, LLC (NPI 1053479188), doing business as Mercy Neurology, Llc, is a healthcare organization registered as a neurology in Saint Louis, Missouri and active in the NPI registry since December 2006. The organization lists Kerry Dunger, Executive Director - Finance, as its authorized official.

NPPES Registry Identity

NPI1053479188
Entity TypeOrganization
Primary Taxonomy2084N0400X
Legal Business NameMERCY CLINIC NEUROLOGY, LLC
Location Address621 S NEW BALLAS RD, SUITE 6005-BSaint Louis, MO 63141-8232
Mailing Address621 S New Ballas Rd, Suite 6005-bSaint Louis, MO 63141-8232 · (314) 251-6075 · Fax (314) 251-6634
Fax(314) 251-6634
Organization SubpartYesParent: Mercy Clinic East Communities
Authorized OfficialKerry DungerExecutive Director - Finance · (314) 364-3707
Enumeration DateDecember 4, 2006
Last NPPES UpdateApril 28, 2025
NPPES CertifiedApril 28, 2025
✔ NPI 1053479188 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
621 S NEW BALLAS RD, Saint Louis, MO 63141

Other Names 1

Former Legal Business NameMercy Neurology, Llc

Other Identifiers 2

OtherDO0017MO · Railroad Medicare
Medicaid1053479188MO

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mercy Clinic Neurology, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by March 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateMissouriEnrollment IDO20070418000103Non-DME Part B · Clinic/Group PracticeDue dateMarch 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

22

Medicare enrollment records show 22 clinicians reassign Medicare billing to Mercy Clinic Neurology, LLC, which bills Medicare for the services they deliver. Of these, 7 practice at this address and 12 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 4

Neurology16
Nurse Practitioner4
Clinical Social Worker1
Psychiatry1

Nearest to this location (20)

See all 22
Neurology
NPI 1538542634
621 S NEW BALLAS RD STE 5003B
Saint Louis, MO 63141
(314) 251-8892
✔ PECOS✔ Accepts MedicareSame address
Neurology
NPI 1750764866
621 S NEW BALLAS RD STE 6005B
Saint Louis, MO 63141
(314) 251-6075
✔ PECOS✔ Accepts MedicareSame address
Neurology
NPI 1255834313
621 S NEW BALLAS RD STE 5003B
Saint Louis, MO 63141
(314) 251-8892
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1689022089
621 S NEW BALLAS RD STE 5003B
Saint Louis, MO 63141
(314) 251-8892
✔ PECOS✔ Accepts MedicareSame address
Neurology
NPI 1437678158
621 S NEW BALLAS RD STE 5003B
Saint Louis, MO 63141
(314) 251-8892
✔ PECOS✔ Accepts MedicareSame address
Neurology
NPI 1922492123
621 S NEW BALLAS RD # TOWERB
Saint Louis, MO 63141
(314) 251-6075
✔ PECOS✔ Accepts MedicareSame address
Clinical Social Worker
NPI 1568116820
615 S NEW BALLAS RD FL 5
Saint Louis, MO 63141
(314) 409-5957
✔ PECOS✔ Accepts MedicareSame address
Neurology
NPI 1639564776
845 N NEW BALLAS CT DIV NEUROLOGY COMMUNITY, STE 202
Saint Louis, MO 63141
(557) 747-2529
✔ PECOS✔ Accepts Medicare0.5 mi
Psychiatry
NPI 1265454987
845 N NEW BALLAS CT DIV NEUROLOGY COMMUNITY, STE 202
Saint Louis, MO 63141
(557) 747-2529
✔ PECOS✔ Accepts Medicare0.5 mi
Neurology
NPI 1982050142
615 S NEW BALLAS RD
Saint Louis, MO 63141
(314) 251-6339
✔ PECOS✔ Accepts Medicare1.5 mi
Neurology
NPI 1770511271
621 S NEW BALLAS RD SUITE 5003 B
St Louis, MO 63141
(314) 227-2020
✔ PECOS✔ Accepts Medicare1.5 mi
Neurology
NPI 1750311395
621 S NEW BALLAS RD STE 5003-B
St Louis, MO 63141
(314) 227-2020
✔ PECOS✔ Accepts Medicare1.5 mi
Neurology
NPI 1699065151
620 S TAYLOR AVE DEPT NEUROLOGY, STE 213
Saint Louis, MO 63110
(314) 747-8423
✔ PECOS✔ Accepts Medicare10 mi
Neurology
NPI 1427097781
10004 KENNERLY RD 391B
Saint Louis, MO 63128
(314) 843-8222
✔ PECOS✔ Accepts Medicare12 mi
Neurology
NPI 1053843052
10012 KENNERLY RD STE 404
Saint Louis, MO 63128
(314) 843-8222
✔ PECOS✔ Accepts Medicare12 mi
Nurse Practitioner
NPI 1164043899
12700 SOUTHFORK RD STE 270
Saint Louis, MO 63128
(314) 843-8222
✔ PECOS✔ Accepts Medicare12 mi
Nurse Practitioner
NPI 1972229987
3 SAINT ELIZABETH BLVD
O Fallon, IL 62269
(618) 641-5803
✔ PECOS✔ Accepts Medicare30 mi
Neurology
NPI 1144419144
1400 US HIGHWAY 61, SOUTH, SUITE 120
Festus, MO 63028
(636) 933-8270
✔ PECOS✔ Accepts Medicare33 mi
Neurology
NPI 1699301549
1400 US HIGHWAY 61 STE 120
Festus, MO 63028
(636) 933-8270
✔ PECOS✔ Accepts Medicare33 mi
Neurology
NPI 1932239142
700 S PARK ST STE A
Madison, WI 53715
(608) 260-2900
✔ PECOS✔ Accepts Medicare308 mi
See all 22 clinicians

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

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 Neurology, LLC's NPI number?

The NPI number for Mercy Clinic Neurology, LLC is 1053479188. It was assigned to this organization in the NPPES registry on December 4, 2006. The provider was formerly known as Mercy Neurology, LLC.

Where is Mercy Clinic Neurology, LLC located?

Mercy Clinic Neurology, LLC is located at 621 S New Ballas Rd Suite 6005-B, Saint Louis, MO 63141. The listed phone number is (314) 251-6075.

What is Mercy Clinic Neurology, LLC's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Mercy Clinic Neurology, LLC enrolled in Medicare?

Yes. Mercy Clinic Neurology, LLC is registered in the Medicare PECOS enrollment system.

When is Mercy Clinic Neurology, LLC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Missouri, Clinic/Group Practice) is due for revalidation by March 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Mercy Clinic Neurology, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 22 clinicians in 4 Medicare specialties reassign their Medicare billing to Mercy Clinic Neurology, LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Neurology (16), Nurse Practitioner (4) and Clinical Social Worker (1). Of these, 7 practice at this address and 12 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Mercy Clinic Neurology, LLC accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 2 other insurers list Mercy Clinic Neurology, 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 Neurology, LLC was last updated on April 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.