Stavroula Anastasia Otis, M.D.
NPI 1477677557ActiveIndividual· Internal Medicine, Hematology & Oncology· Orange, CA
Internal Medicine, Hematology & Oncology (M.D.) in Orange, California, trained at University of Southern California Keck School of Medicine (class of 2003). In 2024 Medicare paid $3,219,391 for 610 patients, and Part D covered 545 of their prescriptions, 78% of them generic. E.R. Squibb & Sons, L.L.C. was the largest of 33 companies reporting payments in 2025, $2,367 in all, mostly food and beverage.
Overview
| NPI | 1477677557 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 16, 2007 |
| Last updated in NPPES | Jan 23, 2024 |
| Certified by provider | Jan 23, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A100358 | 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 - Hematology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 610 |
|---|---|
| Services billed | 280,089 across 98 procedure codes |
| Paid by Medicare | $3,219,391 |
Part D prescriptions in 2024
| Prescriptions (claims) | 545 · 744 30-day fills |
|---|---|
| Patients | 133 |
| Total drug cost | $819,368 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Hematology |
| Secondary specialties | Internal Medicine, Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Center for Cancer and Blood DisordersSanta Ana, CA · 3 clinicians
Hospital affiliation
- Providence St. Joseph HospitalOrange, CA
Other facilities
- Providence at Home With Compassus Home Health Orange CountyHome health agency · Anaheim, CA
Industry payments (Open Payments)
- 2025$2,367 · 104 payments from 33 companies
- 2024$2,529 · 117 payments from 37 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $291.35 | 18 |
| Celgene Corporation | $203.97 | 11 |
| Genentech USA, Inc. | $151.78 | 5 |
| Daiichi Sankyo Inc. | $144.73 | 6 |
| Pfizer Inc. | $136.07 | 7 |
What the 2025 payments were for
- Food and Beverage$2,334 · 103 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 Orange
- 1083132625
- 1710939962
- 1053402933
- 1801443510
- 1356399380
- 1902331630
- 1184116451
- 1427310713
- 1306349196
- 1578883781
- 1871545012
- 1982784070
All Internal Medicine, Hematology & Oncology providers in California →