Karthik Mathialagan, M.D
NPI 1114509411 · Student in an Organized Health Care Education/Training Program · Bridgeport, CT
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karthik Mathialagan, M.D is a Student in an Organized Health Care Education/Training Program provider in Bridgeport, CT (NPI 1114509411).
Provider details
- NPI number
- 1114509411
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
83% 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 41 | 21 |
| Amlodipine Besylate | 38 | 16 |
| Carvedilol | 22 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 22 | — |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 22 | — |
| Lisinopril | 21 | — |
| Hydralazine Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$347 across 6 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
- 2021-04-26
- Last updated
- 2021-11-15
- Certified
- 2021-11-15
Frequently asked questions
- What is Karthik Mathialagan's NPI number?
- Karthik Mathialagan's National Provider Identifier (NPI) is 1114509411, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karthik Mathialagan's specialty?
- Karthik Mathialagan is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Karthik Mathialagan located?
- Karthik Mathialagan's practice location on file with NPPES is 267 Grant Street, Bridgeport, CT 06610.
- What is Karthik Mathialagan's phone number?
- The practice phone number listed in the NPPES registry for Karthik Mathialagan is (203) 384-3000.
- Does Karthik Mathialagan accept Medicare?
- Karthik Mathialagan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karthik Mathialagan's NPI active?
- Yes — Karthik Mathialagan's NPI (1114509411) is active in the NPPES registry as of the last update on 2021-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.