Ardalan Babaknia, MD
NPI 1366527491ActiveIndividual· Internal Medicine, Gastroenterology· Irvine, CA
Internal Medicine, Gastroenterology (MD) with United Medical Doctors, practicing in Irvine, California. Their prescriptions cost Medicare Part D more than their services did: $176,042 for 1,036 claims, against $94,218 paid for services in 2024. Ardelyx, Inc. was the largest of 6 companies reporting payments in 2025, $627.73 in all, mostly food and beverage. Lists Hoag Memorial Hospital Presbyterian as a hospital affiliation.
Overview
| NPI | 1366527491 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Oct 26, 2006 |
| Last updated in NPPES | Mar 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A44193 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 188 |
|---|---|
| Services billed | 699 across 16 procedure codes |
| Paid by Medicare | $94,218 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,036 · 2,348 30-day fills |
|---|---|
| Patients | 194 |
| Total drug cost | $176,042 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- United Medical DoctorsMurrieta, CA · 173 clinicians
Hospital affiliation
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
Industry payments (Open Payments)
- 2025$627.73 · 19 payments from 6 companies
- 2024$36.89 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $179.11 | 6 |
| Genzyme Corporation | $172.63 | 2 |
| Janssen Biotech, Inc. | $116.42 | 4 |
| Phathom Pharmaceuticals, Inc. | $91.11 | 4 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $37.76 | 2 |
What the 2025 payments were for
- Food and Beverage$627.73 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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