Azita Mesbah, MD
NPI 1184670630ActiveIndividual· Internal Medicine, Nephrology· Irvine, CA
Internal Medicine, Nephrology (MD) with Guam Healthcare Development Incorporated and 1 other group, practicing in Irvine, California. Their prescriptions cost Medicare Part D more than their services did: $241,573 for 703 claims, against $121,393 paid for services in 2024. Ardelyx, Inc. reported $113.95 in payments in 2025, mostly food and beverage. Lists Guam Regional Medical City and 1 other hospital as hospital affiliations.
Overview
| NPI | 1184670630 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 26, 2006 |
| Last updated in NPPES | Jun 24, 2025 |
| Certified by provider | Jun 24, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A76773 | CA |
| Internal Medicine, Nephrology | 207RN0300X | M-2236 | GU |
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 - Nephrology (CA); Practitioner - Nephrology (GU) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 272 |
|---|---|
| Services billed | 964 across 19 procedure codes |
| Paid by Medicare | $121,393 |
Part D prescriptions in 2024
| Prescriptions (claims) | 703 · 1,524 30-day fills |
|---|---|
| Patients | 133 |
| Total drug cost | $241,573 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical groups
- Guam Healthcare Development IncorporatedDededo, GU · 207 clinicians
- Caduceus Physicians Medical GroupYorba Linda, CA · 22 clinicians
Hospital affiliations
- Guam Regional Medical CityDededo, GU
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
Other facilities
- Davita Costa Mesa DialysisDialysis facility · Costa Mesa, CA
- Davita Newport Irvine DialysisDialysis facility · Newport Beach, CA
Industry payments (Open Payments)
- 2025$113.95 · 1 payment from 1 company
- 2024$561.29 · 14 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $113.95 | 1 |
What the 2025 payments were for
- Food and Beverage$113.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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