Maylene I. Peralta, MD
NPI 1033183553ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Redding, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with Dignity Health Medical Foundation, practicing in Redding, California. Their prescriptions cost Medicare Part D more than their services did: $2,742,755 for 6,879 claims, against $394,384 paid for services in 2024. Ascendis Pharma Endocrinology Inc was the largest of 2 companies reporting payments in 2025, $70.37 in all, mostly food and beverage. Lists Mercy Medical Center of Mt Shasta and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1033183553 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 13, 2006 |
| Last updated in NPPES | Jul 8, 2022 |
| Certified by provider | Jul 8, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | C159045 | 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 - Endocrinology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 920 |
|---|---|
| Services billed | 12,611 across 14 procedure codes |
| Paid by Medicare | $394,384 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,879 · 13,865 30-day fills |
|---|---|
| Patients | 667 |
| Total drug cost | $2,742,755 |
| Generic share | 46% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Dignity Health Medical FoundationFolsom, CA · 1,184 clinicians
Hospital affiliations
- Mercy Medical Center of Mt ShastaMount Shasta, CA
- Mercy Medical Center ReddingRedding, CA
- Oroville HospitalOroville, CA
- St Elizabeth Community HospitalRed Bluff, CA
- Trinity HospitalWeaverville, CA
Industry payments (Open Payments)
- 2025$70.37 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ascendis Pharma Endocrinology Inc | $56.91 | 2 |
| Amgen Inc. | $13.46 | 1 |
What the 2025 payments were for
- Food and Beverage$70.37 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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