Showri Karnam, MBBS
NPI 1447458401 · Interventional Cardiology Physician · Parkersburg, WV
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Showri Karnam, MBBS is a Interventional Cardiology Physician provider in Parkersburg, WV (NPI 1447458401).
Provider details
- NPI number
- 1447458401
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MBBS
- Sex
- Male
- Sole proprietor
- No
- License
- 26467 (WV)
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
18 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
2,495 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 Report93000 | 268 | $14 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 191 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 184 | $66 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 149 | $130 |
| Anticoagulant Management of Patient Taking Warfarin93793 | 145 | $11 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision By Physician |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 52 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 574 | 204 |
| Atorvastatin Calcium | 492 | 172 |
| Apixabanbrand: Eliquis | 446 | 133 |
| Metoprolol Tartrate | 409 | 145 |
| Isosorbide Mononitratebrand: Isosorbide Mononitrate Er | 344 | 124 |
| Amlodipine Besylate | 326 | 118 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,674 across 52 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
- 2007-07-10
- Last updated
- 2016-06-23
Frequently asked questions
- What is Showri Karnam's NPI number?
- Showri Karnam's National Provider Identifier (NPI) is 1447458401, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Showri Karnam's specialty?
- Showri Karnam is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Showri Karnam located?
- Showri Karnam's practice location on file with NPPES is 600 18th St Ste 512, Parkersburg, WV 26101-3236.
- What is Showri Karnam's phone number?
- The practice phone number listed in the NPPES registry for Showri Karnam is (304) 424-4574.
- Does Showri Karnam accept Medicare?
- Showri Karnam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Showri Karnam's NPI active?
- Yes — Showri Karnam's NPI (1447458401) is active in the NPPES registry as of the last update on 2016-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.