DR. SANTOSH V YAJNIK M.D.
NPI 1083605067
Radiology - Radiation Oncology in Milwaukee, WI
About Dr. Santosh V Yajnik M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SANTOSH V YAJNIK M.D. (NPI 1083605067) is an individual radiation oncology provider in Milwaukee, Wisconsin, licensed in Wisconsin (82715) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Palos Community Hospital, and maintains 5 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 5
Other Identifiers 4
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
Dr. Santosh V Yajnik 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
4Medicare enrollment records show Santosh Yajnik reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 clinicians in this Medicare group
Oak Brook, IL 60523
- Reassigned Medicare billing, Illinois enrollment
- 30 clinicians in this Medicare group
Warrenville, IL 60555
- Reassigned Medicare billing, Illinois enrollment
- 18 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 12
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Palos Community Hospital
Acute Care Hospitals · Palos Heights, ILNorthwestern Medicine Delnor Community Hospital
Acute Care Hospitals · Geneva, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILNorthwestern Medicine Kishwaukee Hospital
Acute Care Hospitals · Dekalb, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53226 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.
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
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 Santosh Yajnik's NPI number?
The NPI number for Santosh Yajnik is 1083605067. It was assigned to this individual provider in the NPPES registry on October 31, 2005.
Where is Santosh Yajnik located?
Santosh Yajnik practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. The listed phone number is (414) 805-4400.
What is Santosh Yajnik's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Santosh Yajnik enrolled in Medicare?
Yes. Santosh Yajnik 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 Santosh Yajnik's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Santosh Yajnik reassigns Medicare benefits to 4 organizations: The Medical College Of Wisconsin, Inc. (Milwaukee, WI), Northwestern Medical Faculty Foundation (Carol Stream, IL), Radiation Oncology Consultants, Ltd (Oak Brook, IL) and Illinois Proton Center LLC (Warrenville, IL). 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 Santosh Yajnik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Santosh Yajnik affiliated with any hospitals?
According to CMS data, Santosh Yajnik is affiliated with Palos Community Hospital, Northwestern Medicine Delnor Community Hospital, Northwestern Medicine Central Dupage Hospital and Northwestern Medicine Kishwaukee Hospital.
When was this NPI record last updated?
The NPPES record for Santosh Yajnik was last updated on November 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.