Quick answers
- Does Raja M. Kaikaus accept Medicare assignment?
- Yes. Medicare's clinician data says Raja M. Kaikaus 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 Raja M. Kaikaus see?
- In 2024, CMS data shows 189 Original Medicare patients and 541 services for Raja M. Kaikaus. This counts Original Medicare only and measures volume, not quality.
- What is Raja M. Kaikaus's NPI number?
- 1427154913. 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 Raja M. Kaikaus, 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 | 189 |
|---|---|
| Services billed to Medicare | 541 |
| Different services or procedures | 49 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)98 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)54 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)47 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)46 services
- Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43259)32 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%
- Arthritis59%
- Diabetes46%
- Ischemic heart disease39%
- Anxiety38%
Hospitals where Raja M. Kaikaus works
Medicare's Facility Affiliation Data lists Raja M. Kaikaus 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.
- UOFL HEALTH - JEWISH HOSPITAL and Mary & Elizabeth HospitalLouisville, KY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 180040
Practice locations
Addresses where Raja M. Kaikaus is enrolled with Medicare (CMS data updated October 2, 2026).
- 225 Abraham Flexner Way, Suite 305Louisville, KY 40202 (502) 585‑4321
Group practices
Medicare enrollment lists Raja M. Kaikaus as a member of this group (CMS data updated October 2, 2026).
- University of Louisville Physicians Inc1,445 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Louisville
Clinicians with the same Medicare primary specialty in Louisville, KY — not a recommendation.
Other clinicians in University of Louisville Physicians Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1978 (48 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427154913 |
| 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