Raul H. Oyola, MD
NPI 1114922432ActiveIndividual· Internal Medicine, Hematology & Oncology· Marietta, GA
Internal Medicine, Hematology & Oncology (MD) with Wellstar Medical Group LLC, practicing in Marietta, Georgia. Their prescriptions cost Medicare Part D more than their services did: $3,439,757 for 1,583 claims, against $88,186 paid for services in 2024. Pfizer Inc. was the largest of 28 companies reporting payments in 2025, $1,877 in all, mostly food and beverage. Lists Wellstar Cobb Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1114922432 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 14, 2005 |
| Last updated in NPPES | Jun 10, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 049930 | GA |
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 (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 451 |
|---|---|
| Services billed | 1,458 across 13 procedure codes |
| Paid by Medicare | $88,186 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,583 · 2,362 30-day fills |
|---|---|
| Patients | 267 |
| Total drug cost | $3,439,757 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Hematology, Medical Oncology |
Medical group
- Wellstar Medical Group LLCMarietta, GA · 3,093 clinicians
Hospital affiliations
- Wellstar Cobb Medical CenterAustell, GA
- Wellstar Douglas Medical CenterDouglasville, GA
- Wellstar Kennestone Regional Medical CenterMarietta, GA
- Wellstar North Fulton Medical CenterRoswell, GA
- Wellstar Paulding Medical CenterHiram, GA
Other facilities
- Wellstar Home Health, LLCHome health agency · Marietta, GA
- Wellstar Windy Hill HospitalLong-term care hospital · Marietta, GA
Industry payments (Open Payments)
- 2025$1,877 · 93 payments from 28 companies
- 2024$2,151 · 95 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $352.08 | 17 |
| Janssen Biotech, Inc. | $200.65 | 10 |
| Daiichi Sankyo Inc. | $128.86 | 6 |
| Abbvie Inc. | $122.39 | 5 |
| Beone Medicines USA, Inc. | $116.56 | 6 |
What the 2025 payments were for
- Food and Beverage$1,861 · 92 payments
- Education$16.01 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other hematologist-oncologists in Marietta
- 1043215452
- 1104804798
- 1215499082
- 1245234608
- 1326042706
- 1497711931
- 1598871410
- 1609941335
- 1689990061
- 1740242932
- 1801890280
- 1841364908
All 21 hematologist-oncologists in Marietta · All hematologist-oncologists in Georgia