CLINTON CHARLES WARREN M.D.
NPI 1902162076
Ophthalmology - Retina Specialist in Kenosha, WI
About Clinton Charles Warren M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CLINTON CHARLES WARREN M.D. (NPI 1902162076) is an individual retina specialist in Kenosha, Wisconsin, licensed in Wisconsin (61666-20) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, is affiliated with Crockett Medical Center, and maintains a secondary practice location in Milwaukee.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Clinton Charles Warren M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Clinton Warren reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Kenosha, WI 53144
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Third Coast Retina Sc
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 16
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Crockett Medical Center
Critical Access Hospitals · Crockett, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53144 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
KENOSHA, WI 53144
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 Clinton Warren's NPI number?
The NPI number for Clinton Warren is 1902162076. It was assigned to this individual provider in the NPPES registry on April 3, 2012.
Where is Clinton Warren located?
Clinton Warren practices at 5017 Green Bay Rd Ste 148, Kenosha, WI 53144. The listed phone number is (262) 420-5888.
What is Clinton Warren's specialty?
The primary specialty registered for this NPI is Ophthalmology, specializing in Retina Specialist, with taxonomy code 207WX0107X.
Is Clinton Warren enrolled in Medicare?
Yes. Clinton Warren is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Clinton Warren's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Clinton Warren reassigns Medicare benefits to 2 organizations: Third Coast Retina S.C. (Kenosha, WI) and The Medical College Of Wisconsin, Inc. (Milwaukee, WI). Each 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 Clinton Warren's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Clinton Warren accept?
Health plans from Network Health and UnitedHealthcare list Clinton Warren 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.
Is Clinton Warren affiliated with any hospitals?
According to CMS data, Clinton Warren is affiliated with Crockett Medical Center.
When was this NPI record last updated?
The NPPES record for Clinton Warren was last updated on August 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.