Elisa C. Alvarado, M.D.
NPI 1891979746ActiveIndividual· Internal Medicine· San Marino, CA
Internal Medicine (M.D.) in San Marino, California, trained at University of Texas Medical Branch at Galveston (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $1,046,924 for 12,607 claims, against $643,829 paid for services in 2024. Alexion Pharmaceuticals, Inc. was the largest of 2 companies reporting payments in 2025, $59.51 in all, mostly food and beverage.
Overview
| NPI | 1891979746 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Dec 27, 2007 |
| Last updated in NPPES | Jun 1, 2026 |
| Certified by provider | Jun 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A98438 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 646 |
|---|---|
| Services billed | 19,098 across 49 procedure codes |
| Paid by Medicare | $643,829 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12,607 · 20,955 30-day fills |
|---|---|
| Patients | 640 |
| Total drug cost | $1,046,924 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Internal Medicine |
Hospital affiliation
- Huntington HospitalPasadena, CA
Other facilities
- Changing Lives Home HealthHome health agency · Glendale, CA
- Ogada Home Health Care, IncHome health agency · Monterey Park, CA
- Partners Home Health Care, IncHome health agency · Glendora, CA
- Rely Able Home Health CareHome health agency · Glendale, CA
- Superior Home Health Services, Inc.Home health agency · Tujunga, CA
- Caring Partners Hospice CorpHospice · Glendale, CA
- Gem TcuNursing home · Pasadena, CA
- The Californian Pasadena HealthcareNursing home · Pasadena, CA
Industry payments (Open Payments)
- 2025$59.51 · 3 payments from 2 companies
- 2024$165.04 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alexion Pharmaceuticals, Inc. | $30.05 | 1 |
| Exact Sciences Corporation | $29.46 | 2 |
What the 2025 payments were for
- Food and Beverage$59.51 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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