REGINA B BIELKUS MD LLC
NPI 1275864118
Psychiatry & Neurology - Neurology in Rockford, IL

Active since January 15, 2010
1055 FEATHERSTONE RD, SUITE C, ROCKFORD, IL 61107(815) 231-2502 Get Directions Write a Review

NPPES record last updated: February 5, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Regina B Bielkus Md Llc NPPES

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

REGINA B BIELKUS MD LLC (NPI 1275864118) is a healthcare organization registered as a neurology in Rockford, Illinois and active in the NPI registry since January 2010. The organization lists Regina B Bielkus, Neurologist, as its authorized official.

NPPES Registry Identity

NPI1275864118
Entity TypeOrganization
Primary Taxonomy2084N0400X
Legal Business NameREGINA B BIELKUS MD LLC
Location Address1055 FEATHERSTONE RD, SUITE CRockford, IL 61107-5904
Mailing Address1055 Featherstone Rd Ste CRockford, IL 61107-5904 · (815) 231-2502
Organization SubpartNo
Authorized OfficialRegina B BielkusNeurologist · (815) 231-2502
Enumeration DateJanuary 15, 2010
Last NPPES UpdateFebruary 5, 2026
NPPES CertifiedFebruary 5, 2026
✔ NPI 1275864118 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.
1055 FEATHERSTONE RD, Rockford, IL 61107

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Regina B Bielkus Md Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Regina B Bielkus MD LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Neurology
NPI 1548243819
1055 FEATHERSTONE RD SUITE C
Rockford, IL 61107
(815) 231-2502
✔ PECOS✔ Accepts MedicareSame address

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 Regina B Bielkus MD LLC's NPI number?

The NPI number for Regina B Bielkus MD LLC is 1275864118. It was assigned to this organization in the NPPES registry on January 15, 2010.

Where is Regina B Bielkus MD LLC located?

Regina B Bielkus MD LLC is located at 1055 Featherstone Rd Suite C, Rockford, IL 61107. The listed phone number is (815) 231-2502.

What is Regina B Bielkus MD LLC's specialty?

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

Is Regina B Bielkus MD LLC enrolled in Medicare?

Yes. Regina B Bielkus MD LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Regina B Bielkus MD LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Neurology) reassigns their Medicare billing to Regina B Bielkus MD 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Regina B Bielkus MD LLC was last updated on February 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.