ILAN D. KOLKOWITZ MD
NPI 1245760818
Emergency Medicine in Madison, WI
About Ilan D. Kolkowitz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ILAN D. KOLKOWITZ MD (NPI 1245760818) is an individual emergency medicine provider in Madison, Wisconsin, licensed in Wisconsin (71357-20) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS, is affiliated with Peacehealth Southwest Medical Center, and is a graduate of University Of California, San Diego School Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses 2
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
Ilan D. Kolkowitz Md 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 Ilan Kolkowitz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Gresham, OR 97030
- Reassigned Medicare billing, Oregon and Washington enrollments
- Medicare enrollment name: Kaiser Foundation Health Plan Of The Northwest
- Also billed through NPI 1609171081 (Washington)
- 3,207 clinicians in this Medicare group
Vancouver, WA 98664
- Reassigned Medicare billing, Washington enrollment
- 71 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 4
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.
Peacehealth Southwest Medical Center
Acute Care Hospitals · Vancouver, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53715 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.
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 Ilan Kolkowitz's NPI number?
The NPI number for Ilan Kolkowitz is 1245760818. It was assigned to this individual provider in the NPPES registry on June 15, 2017.
Where is Ilan Kolkowitz located?
Ilan Kolkowitz practices at 214 S Randall Ave, Madison, WI 53715. The listed phone number is (650) 906-8289.
What is Ilan Kolkowitz's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Ilan Kolkowitz enrolled in Medicare?
Yes. Ilan Kolkowitz 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 Ilan Kolkowitz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ilan Kolkowitz reassigns Medicare benefits to 2 organizations: Sapphire At Gresham Rehab, LLC (Gresham, OR) and Emergency Medicine Associates PC (Vancouver, WA). 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 Ilan Kolkowitz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ilan Kolkowitz affiliated with any hospitals?
According to CMS data, Ilan Kolkowitz is affiliated with Peacehealth Southwest Medical Center.
When was this NPI record last updated?
The NPPES record for Ilan Kolkowitz was last updated on July 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Ilan D. Kolkowitz, MD · NPI 1245760818
Emergency Medicine physician in Madison, Wisconsin. Individual provider, active in the CMS NPPES registry since June 15, 2017.
## Identity
- **NPI:** 1245760818 (Entity type: Individual)
- **Enumerated:** June 15, 2017
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 71357-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 214 S RANDALL AVE, Madison, WI 53715-1544
- **Phone:** (650) 906-8289
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Sapphire At Gresham Rehab, LLC (NPI 1033740899, Gresham, OR); Emergency Medicine Associates PC (NPI 1962453860, Vancouver, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Diego School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** July 6, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1245760818) · Data from the CMS NPPES public registry.