ZIBUTE G ZAPARACKAS MD AND PAUL A KNEPPER MD LTD
NPI 1063784452
Ophthalmology in Chicago, IL

Q: What is Zibute G Zaparackas MD And Paul A Knepper MD Ltd's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Active since February 01, 2012

150 E HURON ST, SUITE 1000, CHICAGO, IL 60611(312) 337-1285 Get Directions Write a Review

NPPES record last updated: April 13, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Zibute G Zaparackas Md And Paul A Knepper Md Ltd NPPES

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

ZIBUTE G ZAPARACKAS MD AND PAUL A KNEPPER MD LTD (NPI 1063784452) is a healthcare organization registered as an ophthalmology in Chicago, Illinois and active in the NPI registry since February 2012. The organization lists Paul A Knepper, Treasurer, as its authorized official.

NPPES Registry Identity

NPI1063784452

Entity TypeOrganization

Primary Taxonomy207W00000X

Legal Business NameZIBUTE G ZAPARACKAS MD AND PAUL A KNEPPER MD LTD

Location Address150 E HURON ST, SUITE 1000Chicago, IL 60611-2999

Mailing Address150 E Huron St, Suite 1000Chicago, IL 60611-2999 · (312) 337-1285

Phone(312) 337-1285

Organization SubpartNo

Authorized OfficialPaul A KnepperTreasurer · (312) 337-1285

Enumeration DateFebruary 1, 2012

Last NPPES UpdateApril 13, 2012

✔ NPI 1063784452 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

Licenses✔ Licensed in IL · 036043045✔ Licensed in IL · 036045972

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

150 E HURON ST, Chicago, IL 60611

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Other Identifiers 2

Medicare PIN487130IL

Medicare PIN487140IL

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 MULTIPLE 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)

Zibute G Zaparackas Md And Paul A Knepper Md Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Zibute G Zaparackas MD And Paul A Knepper MD Ltd, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Paul Knepper, MD, PH.D.

Ophthalmology

NPI 1710080825

150 E HURON ST SUITE 1000
Chicago, IL 60611

(312) 337-1285

✔ PECOSSame address

Michael Giovingo, M.D.

Ophthalmology

NPI 1962668624

243 CHARLES ST GLAUCOMA CLINIC
Boston, MA 02114

(617) 523-7900

✔ PECOS✔ Accepts Medicare850 mi

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 Zibute G Zaparackas MD And Paul A Knepper MD Ltd's NPI number?

The NPI number for Zibute G Zaparackas MD And Paul A Knepper MD Ltd is 1063784452. It was assigned to this organization in the NPPES registry on February 1, 2012.

Where is Zibute G Zaparackas MD And Paul A Knepper MD Ltd located?

Zibute G Zaparackas MD And Paul A Knepper MD Ltd is located at 150 E Huron St Suite 1000, Chicago, IL 60611. The listed phone number is (312) 337-1285.

What is Zibute G Zaparackas MD And Paul A Knepper MD Ltd's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Zibute G Zaparackas MD And Paul A Knepper MD Ltd enrolled in Medicare?

Yes. Zibute G Zaparackas MD And Paul A Knepper MD Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Zibute G Zaparackas MD And Paul A Knepper MD Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Ophthalmology, reassign their Medicare billing to Zibute G Zaparackas MD And Paul A Knepper MD Ltd. 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. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Zibute G Zaparackas MD And Paul A Knepper MD Ltd was last updated on April 13, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.