Johann John Mathew, MD
NPI 1295256055ActiveIndividual· Anesthesiology· Hartford, CT
Anesthesiology (MD) with Hartford Hospital and 1 other group, practicing in Hartford, Connecticut. Medicare paid $36,267 for services to 133 patients in 2024. Merck Sharp & Dohme LLC was the largest of 2 companies reporting payments in 2025, $69.24 in all, mostly food and beverage. Lists Hartford Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1295256055 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 3, 2017 |
| Last updated in NPPES | Jul 24, 2023 |
| Certified by provider | Mar 9, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 70739 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Anesthesiology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 133 |
|---|---|
| Services billed | 195 across 50 procedure codes |
| Paid by Medicare | $36,267 |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Anesthesiology |
Medical groups
- Hartford HospitalHartford, CT · 1,044 clinicians
- Integrated Anesthesia Associates LLCHartford, CT · 409 clinicians
Hospital affiliations
- Hartford HospitalHartford, CT
- John Dempsey Hospital of the University of ConnectFarmington, CT
- William W Backus HospitalNorwich, CT
Industry payments (Open Payments)
- 2025$69.24 · 3 payments from 2 companies
- 2024$15.09 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $38.92 | 2 |
| Edwards Lifesciences Corporation | $30.32 | 1 |
What the 2025 payments were for
- Food and Beverage$69.24 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 118 anesthesiologists in Hartford · All anesthesiologists in Connecticut