Rufina Pamela Mae Tuyac Miel, MD
NPI 1063470391ActiveIndividual· Internal Medicine, Hematology & Oncology· Fountain Valley, CA
Internal Medicine, Hematology & Oncology (MD) with The Oncology Institute Ca, A Professional Corporation, practicing in Fountain Valley, California. Their prescriptions cost Medicare Part D more than their services did: $2,022,732 for 874 claims, against $222,032 paid for services in 2024. Avyxa Pharma, LLC was the largest of 61 companies reporting payments in 2025, $29,257 in all, mostly consulting fees. Lists Orange County Global Medical Center as a hospital affiliation.
Overview
| NPI | 1063470391 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 3, 2006 |
| Last updated in NPPES | Nov 19, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | C153805 | CA |
| Internal Medicine | 207R00000X | 10316 | NV |
| Internal Medicine, Medical Oncology | 207RX0202X | 43195 | AZ |
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 - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 124 |
|---|---|
| Services billed | 13,277 across 69 procedure codes |
| Paid by Medicare | $222,032 |
Part D prescriptions in 2024
| Prescriptions (claims) | 874 · 1,459 30-day fills |
|---|---|
| Patients | 158 |
| Total drug cost | $2,022,732 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
Medical group
- The Oncology Institute Ca, A Professional CorporationSan Gabriel, CA · 113 clinicians
Hospital affiliation
- Orange County Global Medical CenterSanta Ana, CA
Industry payments (Open Payments)
- 2025$29,257 · 295 payments from 61 companies
- 2024$27,881 · 343 payments from 52 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Avyxa Pharma, LLC | $4,549 | 7 |
| Genzyme Corporation | $4,367 | 11 |
| Janssen Biotech, Inc. | $3,930 | 21 |
| Glaxosmithkline, LLC. | $2,774 | 11 |
| Astrazeneca Pharmaceuticals LP | $2,734 | 18 |
What the 2025 payments were for
- Consulting Fee$10,545 · 7 payments
- Food and Beverage$9,226 · 265 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$5,912 · 2 payments
- Travel and Lodging$2,204 · 6 payments
- Long term medical supply or device loan$1,115 · 12 payments
- Education$199.98 · 2 payments
- Gift$55.47 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hematology & Oncology providers in Fountain Valley
- 1013025667
- 1396365144
- 1619208279
- 1902988496
- 1437269420
- 1457178907
- 1346561206
- 1265500318
- 1306858782
- 1508902875
- 1811384001
- 1689935066
All Internal Medicine, Hematology & Oncology providers in California →