Alexander Gaitanis, D.O.
NPI 1114937844ActiveIndividual· Internal Medicine, Medical Oncology· Philadelphia, PA
Internal Medicine, Medical Oncology (D.O.) in Philadelphia, Pennsylvania, trained at Philadelphia College of Osteopathic Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $1,905,166 for 776 claims, against $20,889 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 5 companies reporting payments in 2025, $240.65 in all, mostly food and beverage.
Overview
| NPI | 1114937844 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Aug 8, 2006 |
| Last updated in NPPES | May 28, 2025 |
| Certified by provider | May 28, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | OS017678 | PA |
| Internal Medicine | 207R00000X | 1799 | TN |
| Internal Medicine, Medical Oncology | 207RX0202X | 10801 | CA |
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); Practitioner - Hematology/Oncology (MA); Practitioner - Internal Medicine (PA); Practitioner - Medical Oncology (WV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 156 |
|---|---|
| Services billed | 297 across 12 procedure codes |
| Paid by Medicare | $20,889 |
Part D prescriptions in 2024
| Prescriptions (claims) | 776 · 958 30-day fills |
|---|---|
| Patients | 173 |
| Total drug cost | $1,905,166 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
- Physicians of Cape Cod HospitalHyannis, MA · 334 clinicians
Hospital affiliations
- Cape Cod HospitalHyannis, MA
- Jerold Phelps Community HospitalGarberville, CA
- Mad River Community HospitalArcata, CA
- Providence Redwood Memorial HospitalFortuna, CA
- Providence St Joseph HospitalEureka, CA
Industry payments (Open Payments)
- 2025$240.65 · 6 payments from 5 companies
- 2024$340.36 · 16 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $125.88 | 1 |
| Pfizer Inc. | $51.77 | 2 |
| Novartis Pharmaceuticals Corporation | $33.96 | 1 |
| Sobi, Inc | $15.11 | 1 |
| Janssen Biotech, Inc. | $13.93 | 1 |
What the 2025 payments were for
- Food and Beverage$240.65 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 166 medical oncologists in Philadelphia · All medical oncologists in Pennsylvania