Wajahat Zafar Mehal, MD
NPI 1487637781ActiveIndividual· Internal Medicine, Gastroenterology· West Haven, CT
Internal Medicine, Gastroenterology (MD) with Yale University, practicing in West Haven, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $243,251 for 269 claims, against $3,263 paid for services in 2024. Novo Nordisk Inc was the largest of 3 companies reporting payments in 2025, $13,220 in all, mostly consulting fees. Lists Yale-New Haven Hospital as a hospital affiliation.
Overview
| NPI | 1487637781 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 22, 2005 |
| Last updated in NPPES | Feb 18, 2020 |
| Certified by provider | Feb 18, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 034902 | 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 | 32 |
|---|---|
| Services billed | 38 across 5 procedure codes |
| Paid by Medicare | $3,263 |
Part D prescriptions in 2024
| Prescriptions (claims) | 269 · 355 30-day fills |
|---|---|
| Patients | 42 |
| Total drug cost | $243,251 |
| Generic share | 26% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Yale UniversityNew Haven, CT · 2,645 clinicians
Hospital affiliation
- Yale-New Haven HospitalNew Haven, CT
Industry payments (Open Payments)
- 2025$13,220 · 11 payments from 3 companies
- 2024$11,020 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $13,068 | 8 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $137.67 | 2 |
| Madrigal Pharmaceuticals | $14.36 | 1 |
What the 2025 payments were for
- Consulting Fee$11,579 · 3 payments
- Travel and Lodging$1,038 · 4 payments
- Food and Beverage$603.21 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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