Perinkulam Viswanathan, MD
NPI 1194791434 · Cardiovascular Disease Physician · Monroeville, PA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Perinkulam Viswanathan, MD is a Cardiovascular Disease Physician provider in Monroeville, PA (NPI 1194791434).
Provider details
- NPI number
- 1194791434
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD073472L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,795 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 1,407 | $8 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 491 | $74 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 313 | $65 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 145 | $122 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision By Physician93016 | 109 | $20 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 95 | 24 |
| Atorvastatin Calcium | 77 | 26 |
| Metoprolol Tartrate | 76 | 20 |
| Amlodipine Besylate | 71 | 17 |
| Metoprolol Succinate | 69 | 25 |
| Furosemide | 31 | 11 |
| Clopidogrel Bisulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$577 across 37 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-27
- Last updated
- 2024-03-15
- Certified
- 2024-03-15
Frequently asked questions
- What is Perinkulam Viswanathan's NPI number?
- Perinkulam Viswanathan's National Provider Identifier (NPI) is 1194791434, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Perinkulam Viswanathan's specialty?
- Perinkulam Viswanathan is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Perinkulam Viswanathan located?
- Perinkulam Viswanathan's practice location on file with NPPES is 125 Daugherty Dr Ste 301, Monroeville, PA 15146-2749.
- What is Perinkulam Viswanathan's phone number?
- The practice phone number listed in the NPPES registry for Perinkulam Viswanathan is (412) 856-4666.
- Does Perinkulam Viswanathan accept Medicare?
- Perinkulam Viswanathan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Perinkulam Viswanathan's NPI active?
- Yes — Perinkulam Viswanathan's NPI (1194791434) is active in the NPPES registry as of the last update on 2024-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.