Karthik Linganathan, M.D.,
NPI 1992967905 · Cardiovascular Disease Physician · Limerick, PA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karthik Linganathan, M.D., is a Cardiovascular Disease Physician provider in Limerick, PA (NPI 1992967905).
Provider details
- NPI number
- 1992967905
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.,
- Sex
- Male
- Sole proprietor
- No
- License
- MD426817 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
17 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$129 across 2 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
- 2008-06-30
- Last updated
- 2010-05-13
Frequently asked questions
- What is Karthik Linganathan's NPI number?
- Karthik Linganathan's National Provider Identifier (NPI) is 1992967905, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karthik Linganathan's specialty?
- Karthik Linganathan is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Karthik Linganathan located?
- Karthik Linganathan's practice location on file with NPPES is 410 W Linfield Trappe Rd, Limerick, PA 19468-4295.
- What is Karthik Linganathan's phone number?
- The practice phone number listed in the NPPES registry for Karthik Linganathan is (610) 495-2300.
- Does Karthik Linganathan accept Medicare?
- Karthik Linganathan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karthik Linganathan's NPI active?
- Yes — Karthik Linganathan's NPI (1992967905) is active in the NPPES registry as of the last update on 2010-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.