Arian Teymoorian, M.D.
NPI 1760822191ActiveIndividual· Internal Medicine, Gastroenterology· Murrieta, CA
Internal Medicine, Gastroenterology (M.D.) with Inland Empire Gastroenterology Medical Group, Inc., practicing in Murrieta, California. Their prescriptions cost Medicare Part D more than their services did: $605,937 for 786 claims, against $70,111 paid for services in 2024. Abbvie Inc. was the largest of 20 companies reporting payments in 2025, $2,224 in all, mostly food and beverage. Lists Loma Linda University Medical Center-Murrieta as a hospital affiliation.
Overview
| NPI | 1760822191 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 29, 2013 |
| Last updated in NPPES | Apr 24, 2024 |
| Certified by provider | Apr 24, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A152257 | CA |
| Internal Medicine | 207R00000X | MD2022-1351 | NM |
| Internal Medicine | 207R00000X | 888-L | MS |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (CA); Practitioner - Hospitalist (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 314 |
|---|---|
| Services billed | 577 across 29 procedure codes |
| Paid by Medicare | $70,111 |
Part D prescriptions in 2024
| Prescriptions (claims) | 786 · 1,205 30-day fills |
|---|---|
| Patients | 331 |
| Total drug cost | $605,937 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Inland Empire Gastroenterology Medical Group, Inc.Murrieta, CA · 6 clinicians
Hospital affiliation
- Loma Linda University Medical Center-MurrietaMurrieta, CA
Industry payments (Open Payments)
- 2025$2,224 · 94 payments from 20 companies
- 2024$2,262 · 110 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $447.10 | 26 |
| Madrigal Pharmaceuticals | $372.08 | 9 |
| Janssen Biotech, Inc. | $304.12 | 14 |
| Pfizer Inc. | $221.83 | 10 |
| Takeda Pharmaceuticals U.S.A., Inc. | $178.77 | 8 |
What the 2025 payments were for
- Food and Beverage$2,224 · 94 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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