Quick answers
- Does Santosh V. Yajnik accept Medicare assignment?
- Yes. Medicare's clinician data says Santosh V. Yajnik accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Santosh V. Yajnik see?
- In 2024, CMS data shows 134 Original Medicare patients and 1,006 services for Santosh V. Yajnik. This counts Original Medicare only and measures volume, not quality.
- What is Santosh V. Yajnik's NPI number?
- 1083605067. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Santosh V. Yajnik, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 134 |
|---|---|
| Services billed to Medicare | 1,006 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Ct guidance for insertion of radiation therapy fields (77014)477 services
- Radiation treatment management, 5 treatment sessions (77427)117 services
- Calculation of radiation therapy dose (77300)93 services
- Design and construction of complex radiation treatment device (77334)61 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)44 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
- High blood pressure67%
- Arthritis35%
- Diabetes31%
- Ischemic heart disease29%
Hospitals where Santosh V. Yajnik works
Medicare's Facility Affiliation Data lists Santosh V. Yajnik at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140242
- Northwestern Medicine Delnor Community HospitalGeneva, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140211
- Northwestern Medicine Kishwaukee HospitalDekalb, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140286
- Palos Community HospitalPalos Heights, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140062
Practice locations
Addresses where Santosh V. Yajnik is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 15; the Medicare profile lists all.
- 10 Health Services DrDekalb, IL 60115 (815) 756‑4722
- 233 S Gary AveBloomingdale, IL 60108 (630) 358‑4414
- 233 S Gary Ave, Suite 100Bloomingdale, IL 60108 (630) 225‑2663
- 235 S Gary Ave, Suite 100Bloomingdale, IL 60108 (630) 893‑9600
- 2635 Church Rd, Suite 101Aurora, IL 60502 (630) 315‑6900
Group practices
Medicare enrollment lists Santosh V. Yajnik as a member of these groups (CMS data updated October 2, 2026).
- Northwestern Medical Faculty Foundation4,503 clinicians in the group
- Illinois Proton Center LLC14 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Dekalb
Clinicians with the same Medicare primary specialty in Dekalb, IL — not a recommendation.
Other clinicians in Northwestern Medical Faculty Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Chicago, Pritzker School Of Medicine |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1083605067 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians