Quick answers
- Does Perinkulam V. Viswanathan accept Medicare assignment?
- Yes. Medicare's clinician data says Perinkulam V. Viswanathan 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 Perinkulam V. Viswanathan see?
- In 2024, CMS data shows 1,398 Original Medicare patients and 2,853 services for Perinkulam V. Viswanathan. This counts Original Medicare only and measures volume, not quality.
- What is Perinkulam V. Viswanathan's NPI number?
- 1194791434. 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 Perinkulam V. Viswanathan, 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 | 1,398 |
|---|---|
| Services billed to Medicare | 2,853 |
| Different services or procedures | 32 |
| 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)1,407 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)491 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)313 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)145 services
- Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician (93016)109 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%
- Arthritis69%
- Ischemic heart disease50%
- Diabetes39%
- Anxiety38%
Hospitals where Perinkulam V. Viswanathan works
Medicare's Facility Affiliation Data lists Perinkulam V. Viswanathan 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.
- Excela Health Westmoreland Regional HospitalGreensburg, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390145
- Forbes HospitalMonroeville, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390267
- Magee Womens Hospital of UPMC Health SystemPittsburgh, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390114
- UPMC EastMonroeville, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390328
- UPMC Presbyterian ShadysidePittsburgh, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390164
Practice locations
Addresses where Perinkulam V. Viswanathan is enrolled with Medicare (CMS data updated October 2, 2026).
- 125 Daugherty Dr, Suite 301Monroeville, PA 15146 (412) 856‑4666
Group practices
Medicare enrollment lists Perinkulam V. Viswanathan as a member of this group (CMS data updated October 2, 2026).
- Specialists in Cardiovascular Medicine PC6 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Pennsylvania →
Other cardiologists in Monroeville
Clinicians with the same Medicare primary specialty in Monroeville, PA — not a recommendation.
Other clinicians in Specialists in Cardiovascular Medicine PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1990 (36 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194791434 |
| 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