Arianna Maria Perez Lopez, MD
NPI 1477992311ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Fresno, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with Community Health Partners, practicing in Fresno, California. Their prescriptions cost Medicare Part D more than their services did: $414,883 for 594 claims, against $247,319 paid for services in 2024. Amgen Inc. was the largest of 19 companies reporting payments in 2025, $1,482 in all, mostly food and beverage. Lists Clovis Community Medical Center as a hospital affiliation.
Overview
| NPI | 1477992311 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 24, 2013 |
| Last updated in NPPES | Dec 1, 2022 |
| Certified by provider | Dec 1, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | A182655 | CA |
| Internal Medicine | 207R00000X | A182655 | 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 - Endocrinology (CA); Practitioner - Endocrinology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 312 |
|---|---|
| Services billed | 11,988 across 19 procedure codes |
| Paid by Medicare | $247,319 |
Part D prescriptions in 2024
| Prescriptions (claims) | 594 · 1,317 30-day fills |
|---|---|
| Patients | 179 |
| Total drug cost | $414,883 |
| Generic share | 31% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Community Health PartnersClovis, CA · 504 clinicians
Hospital affiliation
- Clovis Community Medical CenterClovis, CA
Industry payments (Open Payments)
- 2025$1,482 · 76 payments from 19 companies
- 2024$830.30 · 37 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $299.07 | 14 |
| Novo Nordisk Inc | $243.09 | 14 |
| Abbvie Inc. | $152.23 | 11 |
| Tandem Diabetes Care, Inc. | $151.18 | 5 |
| Abbott Laboratories | $78.96 | 4 |
What the 2025 payments were for
- Food and Beverage$1,482 · 76 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 26 endocrinologists in Fresno · All endocrinologists in California