DOCTORS EYE INSTITUTE
NPI 1083649172
Ophthalmology in Louisville, KY
About Doctors Eye Institute NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOCTORS EYE INSTITUTE (NPI 1083649172) is a healthcare organization registered as an ophthalmology in Louisville, Kentucky and active in the NPI registry since July 2006. The organization holds a CLIA Waiver certificate valid through August 7, 2028 and lists David W Karp, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Doctors Eye Institute is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
5Medicare enrollment records show 5 clinicians reassign Medicare billing to Doctors Eye Institute, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 5 within 10 miles. They are listed nearest first.
Clinicians, nearest first (5)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 18D1091929
Koby Karp Doctors Eye Institute · Louisville, KYFrequently 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 Koby & Karp's NPI number?
The NPI number for Koby & Karp is 1083649172. It was assigned to this organization in the NPPES registry on July 11, 2006. The provider is doing business as Doctors Eye Institute.
Where is Koby & Karp located?
Koby & Karp is located at 4004 Dupont Cr, Louisville, KY 40207. The listed phone number is (502) 897-1604.
What is Koby & Karp's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Koby & Karp enrolled in Medicare?
Yes. Koby & Karp is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Koby & Karp?
According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 2 Medicare specialties reassign their Medicare billing to Koby & Karp. 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 Ophthalmology (4) and Optometry (1). Of these, 4 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Koby & Karp hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 18D1091929) is associated with this NPI, valid through August 7, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Koby & Karp accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 2 other insurers list Koby & Karp 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 Koby & Karp was last updated on April 25, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Doctors Eye Institute · NPI 1083649172
Ophthalmology organization in Louisville, Kentucky. Organization record, active in the CMS NPPES registry since July 11, 2006.
## Identity
- **NPI:** 1083649172 (Entity type: Organization)
- **Enumerated:** July 11, 2006
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **Legal business name:** Koby & Karp
- **Organization subpart:** No
- **Authorized official:** David Karp, PRESIDENT
## Practice location
- **Address:** 4004 DUPONT CR, Louisville, KY 40207
- **Phone:** (502) 897-1604 · **Fax:** (502) 897-0489
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 5 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Ophthalmology (4), Optometry (1); 4 practice at this address and 5 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 25, 2014
- **Other identifiers:** Medicare NSC 0268650001; Medicaid 65918815 (KY); Other CB0333; and 1 more
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1083649172) · Data from the CMS NPPES public registry.