Maria Elena Johnson, M.D.
NPI 1033300728ActiveIndividual· Internal Medicine, Gastroenterology· Hartford, CT
Internal Medicine, Gastroenterology (M.D.) with Connecticut Gi PLLC, practicing in Hartford, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $509,302 for 1,434 claims, against $89,709 paid for services in 2024. Abbvie Inc. was the largest of 11 companies reporting payments in 2025, $577.46 in all, mostly food and beverage. Lists Midstate Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1033300728 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 7, 2007 |
| Last updated in NPPES | Aug 1, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 048571 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 185 |
|---|---|
| Services billed | 5,524 across 32 procedure codes |
| Paid by Medicare | $89,709 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,434 · 3,046 30-day fills |
|---|---|
| Patients | 446 |
| Total drug cost | $509,302 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Connecticut Gi PLLCWallingford, CT · 248 clinicians
Hospital affiliations
- Midstate Medical CenterMeriden, CT
- The Hospital of Central ConnecticutNew Britain, CT
Industry payments (Open Payments)
- 2025$577.46 · 27 payments from 11 companies
- 2024$1,046 · 49 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $197.25 | 11 |
| Janssen Biotech, Inc. | $68.99 | 3 |
| Takeda Pharmaceuticals U.S.A., Inc. | $60.77 | 2 |
| Ardelyx, Inc. | $48.13 | 2 |
| Madrigal Pharmaceuticals | $41.22 | 1 |
What the 2025 payments were for
- Food and Beverage$577.46 · 27 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Gastroenterology providers in Hartford
- 1881713337
- 1700917523
- 1023124625
- 1871519264
- 1881798403
- 1487681136
- 1316193055
- 1346806841
- 1659339901
- 1811091432
- 1922035617
- 1447570494
All Internal Medicine, Gastroenterology providers in Connecticut →