Quick answers
- Does Vijaiganesh Nagarajan accept Medicare assignment?
- Yes. Medicare's clinician data says Vijaiganesh Nagarajan 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 Vijaiganesh Nagarajan see?
- In 2024, CMS data shows 637 Original Medicare patients and 1,329 services for Vijaiganesh Nagarajan. This counts Original Medicare only and measures volume, not quality.
- What is Vijaiganesh Nagarajan's NPI number?
- 1548419179. 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 Vijaiganesh Nagarajan, 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 | 637 |
|---|---|
| Services billed to Medicare | 1,329 |
| Different services or procedures | 41 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)521 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)251 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)154 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)62 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)53 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%
- Arthritis55%
- Ischemic heart disease55%
- Diabetes44%
- Chronic kidney disease41%
Hospitals where Vijaiganesh Nagarajan works
Medicare's Facility Affiliation Data lists Vijaiganesh Nagarajan 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.
- Columbus Community HospitalColumbus, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 450370
- Memorial Hermann - Texas Medical CenterHouston, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · CCN 450068
- Memorial Hermann Katy HospitalKaty, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · CCN 450847
- Memorial Hermann Sugar Land HospitalSugar Land, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · CCN 450848
Practice locations
Addresses where Vijaiganesh Nagarajan is enrolled with Medicare (CMS data updated October 2, 2026).
- 6514 Hwy 90a, Suite 100Sugar Land, TX 77498 (281) 942‑8282
Group practices
Medicare enrollment lists Vijaiganesh Nagarajan as a member of this group (CMS data updated October 2, 2026).
- CLS Health PLLC180 clinicians in the group
Specialties
Other interventional cardiologists in Sugar Land
Clinicians with the same Medicare primary specialty in Sugar Land, TX — not a recommendation.
Other clinicians in CLS Health PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 (23 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) | 1548419179 |
| 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