CHRIS K ROKKAS MD
NPI 1508295841
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Madison, WI
About Chris K Rokkas Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRIS K ROKKAS MD (NPI 1508295841) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Madison, Wisconsin, licensed in Wisconsin (61494-20) and active in the NPI registry since November 2013. He is enrolled in Medicare PECOS, is affiliated with St Peter's Hospital, and is a graduate of Other (1984).
NPPES Registry Identity
Specialties & Licenses 2
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 and accepts Medicare assignment
Chris K Rokkas 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
5Medicare enrollment records show Chris Rokkas reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Menomonee Falls, WI 53051
- Reassigned Medicare billing, Wisconsin enrollment
- 2,294 clinicians in this Medicare group
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 clinicians in this Medicare group
Glendale, WI 53217
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Columbia St Marys Hospital Milwaukee Inc
- 856 clinicians in this Medicare group
Schenectady, NY 12308
- Reassigned Medicare billing, New York enrollment
- 462 clinicians in this Medicare group
Saratoga Springs, NY 12866
- Reassigned Medicare billing, New York enrollment
- 742 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 2
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Peter's Hospital
Acute Care Hospitals · Albany, NYSamaritan Hospital Of Troy, New York
Acute Care Hospitals · Troy, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53717 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Chris Rokkas's NPI number?
The NPI number for Chris Rokkas is 1508295841. It was assigned to this individual provider in the NPPES registry on November 7, 2013.
Where is Chris Rokkas located?
Chris Rokkas practices at 10 Pebble Beach Cir, Madison, WI 53717. The listed phone number is (414) 870-0191.
What is Chris Rokkas's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is Chris Rokkas enrolled in Medicare?
Yes. Chris Rokkas 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 Chris Rokkas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chris Rokkas reassigns Medicare benefits to 5 organizations: Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, WI), The Medical College Of Wisconsin, Inc. (Milwaukee, WI), Columbia St. Mary's Hospital Milwaukee, Inc (Glendale, WI), Ellis Hospital (Schenectady, NY) and St. Peter's Health Partners Medical Associates, P.C. (Saratoga Springs, NY). 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 Chris Rokkas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Chris Rokkas affiliated with any hospitals?
According to CMS data, Chris Rokkas is affiliated with St Peter's Hospital and Samaritan Hospital Of Troy, New York.
When was this NPI record last updated?
The NPPES record for Chris Rokkas was last updated on July 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.