Mehrnaz Hojjati, M. D.
NPI 1720029135ActiveIndividual· Internal Medicine, Rheumatology· Orange, CA
Internal Medicine, Rheumatology (M. D.) with Providence Medical Foundation, practicing in Orange, California. Their prescriptions cost Medicare Part D more than their services did: $2,682,213 for 2,224 claims, against $40,243 paid for services in 2024. Amgen Inc. was the largest of 15 companies reporting payments in 2025, $42,012 in all, mostly speaking and faculty fees. Lists Providence St. Joseph Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1720029135 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M. D. |
| Sole proprietor | No |
| NPI issued | Jun 8, 2006 |
| Last updated in NPPES | Nov 28, 2023 |
| Certified by provider | Nov 28, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | C131825 | CA |
| Internal Medicine, Rheumatology | 207RR0500X | 35096327 | OH |
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 - Rheumatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 88 |
|---|---|
| Services billed | 1,006 across 38 procedure codes |
| Paid by Medicare | $40,243 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,224 · 3,911 30-day fills |
|---|---|
| Patients | 360 |
| Total drug cost | $2,682,213 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Rheumatology |
| Telehealth | Offers telehealth |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliations
- Providence St. Joseph HospitalOrange, CA
- Providence St. Jude Medical CenterFullerton, CA
Industry payments (Open Payments)
- 2025$42,012 · 136 payments from 15 companies
- 2024$39,239 · 121 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $32,287 | 44 |
| Astrazeneca Pharmaceuticals LP | $5,960 | 6 |
| Abbvie Inc. | $1,398 | 27 |
| Glaxosmithkline, LLC. | $876.43 | 5 |
| Janssen Biotech, Inc. | $475.35 | 18 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$23,305 · 11 payments
- Consulting Fee$11,381 · 5 payments
- Travel and Lodging$3,853 · 7 payments
- Food and Beverage$3,473 · 113 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Rheumatology providers in Orange
- 1255920062
- 1487602579
- 1003864182
- 1609970292
- 1922676824
- 1821626482
- 1407116411
- 1457980211
- 1003109513
- 1699966861
- 1538313648
- 1245662055
All Internal Medicine, Rheumatology providers in California →