Mahvish Khalid, MD
NPI 1891291811ActiveIndividual· Internal Medicine, Gastroenterology· Webster, TX
Internal Medicine, Gastroenterology (MD) with Coastal Gastroenterology Associates PA, practicing in Webster, Texas. Their prescriptions cost Medicare Part D more than their services did: $32,562 for 192 claims, against $14,171 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 15 companies reporting payments in 2025, $1,442 in all, mostly food and beverage. Lists HCA Houston Healthcare Clear Lake as a hospital affiliation.
Overview
| NPI | 1891291811 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 30, 2018 |
| Last updated in NPPES | Apr 28, 2025 |
| Certified by provider | Apr 28, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | U9285 | TX |
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 - Gastroenterology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 81 |
|---|---|
| Services billed | 133 across 12 procedure codes |
| Paid by Medicare | $14,171 |
Part D prescriptions in 2024
| Prescriptions (claims) | 192 · 261 30-day fills |
|---|---|
| Patients | 104 |
| Total drug cost | $32,562 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Coastal Gastroenterology Associates PAWebster, TX · 4 clinicians
Hospital affiliation
- HCA Houston Healthcare Clear LakeWebster, TX
Industry payments (Open Payments)
- 2025$1,442 · 55 payments from 15 companies
- 2024$300.28 · 12 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $263.93 | 7 |
| Takeda Pharmaceuticals U.S.A., Inc. | $235.85 | 8 |
| Abbvie Inc. | $234.86 | 10 |
| Pfizer Inc. | $176.38 | 8 |
| Cook Medical LLC | $87.20 | 3 |
What the 2025 payments were for
- Food and Beverage$1,442 · 55 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 16 gastroenterologists in Webster · All gastroenterologists in Texas