Quick answers
- Does Krishnan Sundararajan accept Medicare assignment?
- Yes. Medicare's clinician data says Krishnan Sundararajan 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 Krishnan Sundararajan see?
- In 2024, CMS data shows 1,628 Original Medicare patients and 29,519 services for Krishnan Sundararajan. This counts Original Medicare only and measures volume, not quality.
- What is Krishnan Sundararajan's NPI number?
- 1285672642. 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 Krishnan Sundararajan, 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 | 1,628 |
|---|---|
| Services billed to Medicare | 29,519 |
| Different services or procedures | 83 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Injection, inclisiran, 1 mg (J1306)18,460 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)1,918 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,914 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)747 services
- Ultrasound of both sides of head and neck blood flow (93880)576 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%
- Ischemic heart disease64%
- Arthritis54%
- Atrial fibrillation40%
- Heart failure38%
Hospitals where Krishnan Sundararajan works
Medicare's Facility Affiliation Data lists Krishnan Sundararajan 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.
- Ashtabula County Medical CenterAshtabula, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360125
- Lake HealthConcord, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360098
- UH Cleveland Medical CenterCleveland, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360137
- UH Regional HospitalsChardon, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360075
- Uhhs Memorial Hospital of GenevaGeneva, OH · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 361307
Practice locations
Addresses where Krishnan Sundararajan is enrolled with Medicare (CMS data updated October 2, 2026).
- 531 5th AveChardon, OH 44024 (440) 285‑2300
Group practices
Medicare enrollment lists Krishnan Sundararajan as a member of this group (CMS data updated October 2, 2026).
- Advanced Cardiovascular Consultants Inc2 clinicians in the group
Specialties
Other internal medicine doctors in Chardon
Clinicians with the same Medicare primary specialty in Chardon, OH — not a recommendation.
Other clinicians in Advanced Cardiovascular Consultants Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 (38 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) | 1285672642 |
| 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