Parastoo Jangouk, M. D.
NPI 1528324787ActiveIndividual· Internal Medicine, Gastroenterology· Round Rock, TX
Internal Medicine, Gastroenterology (M. D.) with Austin Gastroenterology PLLC, practicing in Round Rock, Texas. Their prescriptions cost Medicare Part D more than their services did: $480,243 for 1,303 claims, against $103,825 paid for services in 2024. Abbvie Inc. was the largest of 22 companies reporting payments in 2025, $3,643 in all, mostly food and beverage. Lists North Austin Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1528324787 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M. D. |
| Sole proprietor | No |
| NPI issued | Apr 2, 2012 |
| Last updated in NPPES | Apr 20, 2020 |
| Certified by provider | Apr 20, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | S5396 | TX |
| Internal Medicine, Gastroenterology | 207RG0100X | A155467 | CA |
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 | 491 |
|---|---|
| Services billed | 1,113 across 33 procedure codes |
| Paid by Medicare | $103,825 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,303 · 2,451 30-day fills |
|---|---|
| Patients | 526 |
| Total drug cost | $480,243 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Austin Gastroenterology PLLCRound Rock, TX · 76 clinicians
Hospital affiliations
- North Austin Medical CenterAustin, TX
- St David's Medical CenterAustin, TX
Industry payments (Open Payments)
- 2025$3,643 · 193 payments from 22 companies
- 2024$13,296 · 145 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $865.24 | 43 |
| Eli Lilly and Company | $345.96 | 1 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $309.24 | 22 |
| Pfizer Inc. | $304.97 | 29 |
| Janssen Biotech, Inc. | $250.10 | 19 |
What the 2025 payments were for
- Food and Beverage$3,297 · 192 payments
- Travel and Lodging$345.96 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 gastroenterologists in Round Rock · All gastroenterologists in Texas