George Guinto Miranda, MD
NPI 1558545038ActiveIndividual· Internal Medicine, Hematology & Oncology· Mission Viejo, CA
Internal Medicine, Hematology & Oncology (MD) in Mission Viejo, California, trained at Loma Linda University School of Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $6,149,503 for 1,379 claims, against $248,930 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 50 companies reporting payments in 2025, $3,495 in all, mostly food and beverage.
Overview
| NPI | 1558545038 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 20, 2007 |
| Last updated in NPPES | Mar 7, 2023 |
| Certified by provider | Feb 17, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A106771 | CA |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 6022199-1205 | UT |
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 - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 519 |
|---|---|
| Services billed | 9,861 across 40 procedure codes |
| Paid by Medicare | $248,930 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,379 · 2,207 30-day fills |
|---|---|
| Patients | 235 |
| Total drug cost | $6,149,503 |
| Generic share | 61% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliation
- Providence Mission HospitalMission Viejo, CA
Industry payments (Open Payments)
- 2025$3,495 · 138 payments from 50 companies
- 2024$3,487 · 150 payments from 50 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $316.23 | 12 |
| Merck Sharp & Dohme LLC | $284.35 | 10 |
| Novartis Pharmaceuticals Corporation | $282.62 | 11 |
| Abbvie Inc. | $209.45 | 8 |
| Karyopharm Therapeutics Inc. | $167.56 | 5 |
What the 2025 payments were for
- Food and Beverage$3,462 · 137 payments
- Education$32.72 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hematology & Oncology providers in Mission Viejo
- 1861750895
- 1629307665
- 1649837212
- 1528560232
- 1033609375
- 1255412664
- 1932660149
- 1407849284
- 1770843054
- 1487647335
All Internal Medicine, Hematology & Oncology providers in California →