DR. CATHERINE THERESA THURUTHUMALY MD
NPI 1225395403
Ophthalmology in Chicago, IL
About Dr. Catherine Theresa Thuruthumaly Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CATHERINE THERESA THURUTHUMALY MD (NPI 1225395403) is an individual ophthalmology provider in Chicago, Illinois, licensed in Wisconsin (69247) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS and maintains a secondary practice location in Chicago.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Catherine Theresa Thuruthumaly Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Catherine Thuruthumaly reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
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 9
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60611 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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60611
CHICAGO, IL 60611
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 Catherine Thuruthumaly's NPI number?
The NPI number for Catherine Thuruthumaly is 1225395403. It was assigned to this individual provider in the NPPES registry on April 12, 2012.
Where is Catherine Thuruthumaly located?
Catherine Thuruthumaly practices at 680 N Lake Shore Dr, Chicago, IL 60611. The listed phone number is (312) 695-6868.
What is Catherine Thuruthumaly's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Catherine Thuruthumaly enrolled in Medicare?
Yes. Catherine Thuruthumaly is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Catherine Thuruthumaly's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Thuruthumaly reassigns Medicare benefits to The Medical College Of Wisconsin, Inc. (Milwaukee, 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 Catherine Thuruthumaly's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Catherine Thuruthumaly was last updated on June 12, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Dr. Catherine Theresa Thuruthumaly, MD · NPI 1225395403
Ophthalmology physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since April 12, 2012.
## Identity
- **NPI:** 1225395403 (Entity type: Individual)
- **Enumerated:** April 12, 2012
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 69247 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 680 N LAKE SHORE DR, Chicago, IL 60611
- **Phone:** (312) 695-6868
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** The Medical College Of Wisconsin, Inc. (NPI 1699720086, Milwaukee, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 12, 2018
- **Other identifiers:** Medicaid 1225395403 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1225395403) · Data from the CMS NPPES public registry.