CAROLYN P BUTLER M.D.
NPI 1831156835
Ophthalmology in Waukesha, WI
About Carolyn P Butler M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAROLYN P BUTLER M.D. (NPI 1831156835) is an individual ophthalmology provider in Waukesha, Wisconsin, licensed in Wisconsin (37351-020) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, is affiliated with Waukesha Memorial Hospital, and is a graduate of University Of Wisconsin School Of Medicine (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 11
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
Carolyn P Butler 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 Reassignment
Medicare enrollment records show Carolyn Butler reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Waukesha, WI 53188
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Medical Eye Associates Sc
- 9 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 10
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.
Waukesha Memorial Hospital
Acute Care Hospitals · Waukesha, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53188 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Carolyn Butler's NPI number?
The NPI number for Carolyn Butler is 1831156835. It was assigned to this individual provider in the NPPES registry on April 26, 2006.
Where is Carolyn Butler located?
Carolyn Butler practices at N19w23993 Ridgeview Pkwy W Ste 100, Waukesha, WI 53188. The listed phone number is (262) 547-3352.
What is Carolyn Butler's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Carolyn Butler enrolled in Medicare?
Yes. Carolyn Butler 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 organization bills Medicare for Carolyn Butler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carolyn Butler reassigns Medicare benefits to Medical Eye Associates, S.C. (Waukesha, WI). The 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 Carolyn Butler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Carolyn Butler 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 5 other insurers list Carolyn Butler 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 Carolyn Butler affiliated with any hospitals?
According to CMS data, Carolyn Butler is affiliated with Waukesha Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Carolyn Butler was last updated on December 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Carolyn P Butler, M.D. · NPI 1831156835
Ophthalmology physician in Waukesha, Wisconsin. Individual provider, active in the CMS NPPES registry since April 26, 2006.
## Identity
- **NPI:** 1831156835 (Entity type: Individual)
- **Enumerated:** April 26, 2006
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 37351-020 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** N19W23993 RIDGEVIEW PKWY W STE 100, Waukesha, WI 53188-1031
- **Phone:** (262) 547-3352 · **Fax:** (262) 547-9142
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Medical Eye Associates, S.C. (NPI 1023066636, Waukesha, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Wisconsin School Of Medicine, class of 1990
## Record status
- **NPPES last updated:** December 26, 2023
- **Other identifiers:** Other 32256900 (WI); Other 391101335 (WI); Other 391101335 (WI); and 8 more
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Source: [NPI Profile](https://npiprofile.com/npi/1831156835) · Data from the CMS NPPES public registry.