Quick answers
- Does Martin K. Kittaka accept Medicare assignment?
- Yes. Medicare's clinician data says Martin K. Kittaka 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 Martin K. Kittaka see?
- In 2024, CMS data shows 396 Original Medicare patients and 7,445 services for Martin K. Kittaka. This counts Original Medicare only and measures volume, not quality.
- What is Martin K. Kittaka's NPI number?
- 1649220765. 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 Martin K. Kittaka, 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 | 396 |
|---|---|
| Services billed to Medicare | 7,445 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)377 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)314 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)161 services
- Dialysis services, 4 or more physician visits per month (20 years or older) (90960)148 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)88 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 blood pressure75%
- High cholesterol75%
- Chronic kidney disease75%
- Arthritis58%
- Diabetes56%
- Ischemic heart disease46%
Hospitals where Martin K. Kittaka works
Medicare's Facility Affiliation Data lists Martin K. Kittaka 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.
- Edward HospitalNaperville, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140231
- Elmhurst Memorial HospitalElmhurst, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140200
Practice locations
Addresses where Martin K. Kittaka is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 133 E Brush Hill Rd, Suite 205Elmhurst, IL 60126 (331) 221‑6930
- 133 E Brush Hill Rd, Unit 301Elmhurst, IL 60126 (630) 832‑2183
- 155 E Brush Hill RdElmhurst, IL 60126 (331) 221‑0096
- 177 E Brush Hill RdElmhurst, IL 60126 (630) 646‑6020
- 2650 Ridge AveEvanston, IL 60201
Group practices
Medicare enrollment lists Martin K. Kittaka as a member of these groups (CMS data updated October 2, 2026).
- Endeavor Health Medical Group3,350 clinicians in the group
- Nephrology Associates of Northern Illinois Ltd117 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Elmhurst
Clinicians with the same Medicare primary specialty in Elmhurst, IL — not a recommendation.
Other clinicians in Endeavor Health Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 1981 (45 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649220765 |
| 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